Assessment of the readiness and resilience of Czech society against water-related crises

hydrology Article Assessment of the Readiness and Resilience of Czech Society against Water-Related Crises Štˇepán Kavan 1,* , Šárka Kroˇcová2and JiˇríPokorný2   Citation: Kavan, Š.; Kroˇcová, Š.; Pokorný, J. Assessment of the Readiness and Resilience of Czech Society against Water-Related Crises. Hydrology 2021,8, 14. https:// doi.org/10.3390/hydrology8010014 Academic Editors: Tamim Younos, Tammy Parece, Juneseok Lee, Jason Giovannettone and Alaina J. Armel Received: 9 December 2020 Accepted: 21 January 2021 Published: 22 January 2021 Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). 1Faculty of Health and Social Studies, University of South Bohemia in Ceske Budejovice, 370 11 Ceske Budejovice, Czech Republic 2Faculty of Safety Engineering, VSB—Technical University of Ostrava, 700 30 Ostrava, Czech Republic; [email protected] (S.K.); [email protected] (J.P.) *Correspondence: [email protected] Abstract: This assessment of societal readiness and resilience to water-related situations in the Czech Republic focuses on an interdisciplinary approach in the Czech Republic for solving this problem. The goal of the article is to evaluate and characterize the preparedness for handling water-related crises. The analysis is carried out via a SWOT analysis, which is a universal analytical method used to understand and interpret strengths and weaknesses and to identify opportunities and threats. For the calculation of the weight factor of the SWOT analysis, an assessment was determined based on the multicriteria analysis. The pair comparison method was used to determine the relative importance of the parameters of the strengths and weaknesses, opportunities and threats. The Fuller Triangle method was chosen for the system used to make the comparisons of the individual criteria. The uniqueness of the study consists of the issue of water management, which is thus reflected from a non-traditional perspective, being a contemporary model—the paradigm of the view on the preparedness of the planning documentation as one of the characteristics of societal resilience for water-related crises. The result of the research is the fact that a positive approach prevails in the researched area from the perspective of preparedness for water-related crises. For the creation of the conditions, the factors arising from the internal environment currently prevail slightly over those arising from the external environment. Keywords: society; risk analysis; water-related crises; resilience; security; floods; drinking water; crisis planning 1. Introduction Water has many facets. In general, water is often characterized as one of the basic components required for life. A second viewpoint is that water is a natural element which threatens human society via floods. Human activities have significantly interfered with the environment and in doing so have altered the behavior of surface as well as underground water in the landscape. Water is thus becoming an increasingly precious liquid and simultaneously a feared element. In order to protect the values it has built up, society strives to adopt measures with the aim of preventing or minimizing risks. Water management in the area of drinking water and protection against its negative aspects are some of the important activities carried out by a dynamically developing society on the level of communities and countries, and also on an international level. The information obtained provides an assessment of water-related crises for which a type plan has been prepared based on a risk analysis within crisis management. The water management area is thus reflected on from a non-traditional perspective and a contemporary model—the paradigm of considering societal resilience for water-related crises. The assessment was carried out within the scope of a case study focusing on the Czech Republic. In this aspect, the presented study is unique, innovative and original by incorporating and combining a reflection on crisis management and on water-related crises. Hydrology 2021,8, 14. https://doi.org/10.3390/hydrology8010014 https://www.mdpi.com/journal/hydrology Hydrology 2021,8, 14 2 of 17 International literature in the area usually offers reflections of specific separate components, which can be classified into texts focusing on securing drinking water, handling floods and crisis management. The topic of the emergency supply of drinking water is handled, for instance, from the viewpoint of a strategy for the supply of drinking water, the area of water management systems and the associated operating risks [ 1 ], the possible use of underground water for emergency supply and an assessment of the sources of backup drinking water sources [ 2 , 3 ], Preventing Secondary Disasters through Providing Emergency Water Supply [ 4 ]; yet another approach is the analysis of risks and sensitivity of potential sources of the emergency water supply [ 5 ], emergency supply of drinking water with the use of available technology [ 6 ]. One important document with an international impact in this area is “Water Safety Plans”, authored by the World Health Organisation; the document focuses on Managing drinking-water quality from catchment to consumer [7]. The second area that has been the focus for researchers is that of floods. There is an ample number of documents and papers; however, these are very diverse in nature, covering topics such as various means of protecting against floods [ 8 – 10 ], the framework for flood risk communication [ 11 , 12 ], strategies for reducing risks during floods [ 13 – 16 ], and the implementation of the flood risk management directive in selected European countries [ 17 , 18 ]. Some documents also focus on selected aspects of floods such as the use of mobile Mose barriers to protect Venice [ 19 ] or the household insurance system for households located in areas at risk from floods [20]. One specific area which is also covered by the presented study and is often reflected on separately in the literature is the area of crisis management. The management of people and crises represents an important component of the study. Crisis management must be based on a risk analysis and react to potential threats [ 21 ]. International studies usually focus on a single topic, such as the government’s position on crisis management [ 22 ], team-based handling of catastrophes [ 23 ], coordination and collaboration when handling floods [ 24 ] and the sustainability of critical infrastructure [ 25 ]. A link between crisis management and water-related catastrophes in the scope covered by this article cannot be found in international databases. This specific angle thus provides a new perspective on the given area and contributes to the development of crisis management theory. It will certainly be interesting to carry out a similar study in other countries and to compare the results obtained for this specific area of safety within the scope of further systemic research. In the Czech Republic, as a country situated in Central Europe with a predominantly continental climate and without access to a sea, the experience with the solution of waterrelated crises is primarily connected with the extensive floods in 1997 and 2002. These floods first hit the eastern part of the country (1997) and subsequently the center and west of the country (2002). From the perspective of the supply of drinking water, no wide-reaching problems with a lack of water have occurred. In recent years, however, with regard to lower rainfall and a decrease in the level of groundwater, there were local problems with the supply of drinking water and also partially with a restriction on the use of surface water for irrigation. The given facts were reflected in the area of crisis management when preparing risk analyses and were also exhibited during the processing of type plans as part of the crisis plans. Society strongly emphasizes the prevention of extraordinary events [ 26 – 28 ]. Understanding the risks and threats has a direct impact on the stance of the public administration and consequently also the general populace to planned or adopted measures and the associated economic costs. The selection of topics for this study was based on the risks that were identified and evaluated in the “Risk Analysis for the Czech Republic” and approved by the Czech government’s ruling of 27 April 2016 after discussion in the Country’s Security Council [29]. A total of 72 types of hazards were identified in the Risk Analysis for the Czech Republic, divided into three basic categories [29]. These are: Hydrology 2021,8, 14 3 of 17 • Acceptable risks, no extraordinary measures are expected, these are usually situations that can be handled in the scope of standard activities of integrated emergency services and the appropriate administrative bodies; • Conditionally acceptable risks, which require the adoption of measures aimed at their elimination; these occur in the areas of preparing for extraordinary events and include notably emergency planning and the preparation of the integrated emergency system and its components; • Unacceptable risks, where the measures aimed at their elimination are part of the preparation for the handling of crises and notably include crisis planning. The risk analysis identified 22 types of hazards/risks that were evaluated as unacceptable and where, if they occur, these are expected to lead to a state of crisis and need to be prioritized. Risks that are unacceptable for society include (in the category of antropogeneous and natural risks, the subcategory of abiotic and technogeneous risks): floods, flash floods, catastrophic rainfall, disruption of dams of prominent waterworks (special floods), and large-scale disruptions of the delivery of drinking water. When preparing the study, the authors decided to adopt a certain level of generality and focus the article on events whose theme is associated with water, with the aim of increasing the awareness of and subsequently improving the quality of prevention within these risk categories (see also Czech government directive 369/2016). In connection with the risk analysis for the purpose of system access, it is important to formulate the perception of safety and to specify deviations from safety and disruptions of safety, i.e., defining various types of events. Safety and security are not stand-alone constructs without relations to other notions—they are always considered with respect to a referential object [ 30 ]. The referential object may be a country, company, community, person, building, secret information, etc. It is then possible to speak about the safety and security of a country, information security, etc. The safety and security environment consists of a range of elements of the referential object, which are then linked to other elements [ 31 ]. This work focuses on country-level safety and security in relation to critical situations related to water. In terms of safety, the actual safety environment consists of real and usually wellknown referential objects, such as a country, its organizational elements, or international organizations. Safety then represents a state of calmness, where the referential object is not experiencing interference and is not under threat, and hence it is not necessary to make proactive steps to ensure the required state. A joint foundation for all areas dealing with safety is the adoption of a set of measures aimed at ensuring safety. These measures are aimed at reaching a state where damage is minimized and the referential object can continue performing its intended function [ 32 ]. The measures aimed at handling crises that have been prepared for the Czech Republic are handled within the crisis management and planning system. Planning is one of the basic functions of management. Crisis planning in the Czech Republic is a crisis management tool that represents a summary of planning activities, procedures and links implemented by crisis management bodies and their designated government or public institutions, legal bodies or entrepreneurs in order to implement the goals and tasks associated with ensuring the safety of the country and its populace during emergencies [33]. Humans live in a society that consists of various people who all have their own interests, capabilities and preferences. That is why it is necessary to regulate our mutual cohabitation, for instance via legal regulations, and during crises this system also incorporates measures that arise from the crisis plan. In the case of water crisis management, the crisis plan focuses on risks which were assessed as unacceptable risks. These groups include catastrophes caused by floods, flash floods, excessive rainfall, breaches of dams of significant waterworks (special floods) and significant disruptions of drinking water supply. Hydrology 2021,8, 14 4 of 17 The aim of the article is to assess and characterize crisis situations related to water, for a type plan that has been prepared within crisis planning based on a risk analysis. The assessment of this topic is carried out primarily from the viewpoint of prepared measures targeting society and individuals. The assessment is implemented as a case study under the conditions of the Czech Republic. From a scientific viewpoint, this represents a research limitation and means that we focus on the conditions and approach to the given topic implemented by the specific considered country. In view of the aims of the study, an assessment of the technical quality of specific equipment of emergency services and of preventive technical-structural measures is not part of the study’s scope. A certain limitation on the study comes from the composition of the expert group for performing the multicriteria analysis. Their own experience from the resolution of crisis situations (especially water-related) could influence the objectivity and a certain degree of detachment. For this reason, the expert group was comprised of experts from different areas. The essential characteristics were included as part of the performed SWOT analysis; in light of the scope of the study, it was not possible to resolve the individual type plans individually, but a summary evaluation of the plans that relate to water-related catastrophes was performed. The theoretical part of the article delimits and characterizes selected type plans which are included in crisis plans and which are related to water. The practical part of the article focuses on a concretization of selected measures within type plans and possible impacts on life in the Czech Republic. The article assesses crisis preparedness within the scope of a case study focusing on the national level. The research question was formulated as the process of creating organized knowledge based on systematic research. Specifically, the following research questions were formulated: how has the preparedness for crisis situations associated with water been incorporated in the planning documentation on the national level within the Czech Republic? How are individual type plans handling water-related catastrophes designed? An analysis of the topic was carried out in order to reflect these scientific problems. 2. Materials and Methods 2.1. Methods The input information used to study the topic was obtained primarily via literature research, from provided internal sources of selected crisis management entities, and the activities of one of the authors as the group leader for preparing the Crisis Plan of the SouthBohemian Region. The practical part uses multicriteria analysis methods. Synthesis was used to connect the individual partial findings. The actual assessment of the preparedness (readiness) for crisis situations related to water listed in the planning documentation on the national level of the Czech Republic and the assessment of individual type plans handling catastrophes associated with water was carried out via a SWOT analysis. The SWOT analysis (of Strengths, Weaknesses, Opportunities and Threats) was developed in the second half of the 20th century in the United States. It is a useful and highly universal analytical technique that provides us with an understanding and interpretation of strengths and weaknesses as well as of opportunities and threats. It is most frequently used in the area of business, as a strategic tool that can be used to help a company’s development [34,35]. A SWOT analysis is based on an evaluation and analysis of the current state of the evaluated entity/topic, its internal environment and the current situation surrounding the assessed entity and outside environment. At its core, it identifies the strengths and weaknesses in the internal environment, meaning what the given entity is good at and where its weaknesses lie, and also analyzes the threats and opportunities located in the outside environment—i.e., factors which the entity itself cannot influence [ 36 , 37 ]. It begins by analyzing strengths, since these are considered an internal force. Above-standard skills, knowledge, and potentials are identified along with resources that may be used in the future to benefit the entity. Weaknesses represent an opposite of the strengths and notably Hydrology 2021,8, 14 5 of 17 include internal weaknesses of the organization/considered area, areas where it would be possible to achieve better results. Opportunities are used to identify potential options that may lead to improvement if they are correctly used. External circumstances were identified that may lead to future success. Threats then represent external influences that may make it more difficult to achieve the intended goals. Threats are used to identify aspects that bring negatives, factors which need to be taken into account and systematically prevented. In order to determine the weight factor, it was necessary to identify the items of assessment. The assessment was carried out based on multicriteria decision-making. Decision-making here refers to choosing or classifying a value of one variant based on selected criteria. Decision-making leads to conflicts of interest, where in socially-economic systems it is difficult to identify priority values. Different groups of people give preference to different consequences of a decision, and hence the assessment of an optimal decision may be carried out via different criteria. The following criteria were selected to assess the individual properties of the SWOT analysis: societal impact, impact on health and lives of the population, economic regression, environmental impact and traffic limitations. A multicriteria evaluation was carried out by a group of experts from the Regional Office of the South-Bohemian Region—Crisis Management Department, the Czech Firefighting Services—Civil Protection Department, the Czech Police, Emergency Medical Services of the South Bohemian Region, Czech Army, Czech Hydrometeorological Institute, Povodí Vltavy and VSB—Technical University of Ostrava. The pair comparison method was used to determine the relative importance of the parameters of the strengths and weaknesses, opportunities and threats. The individual criteria were compared with each other when calculating the weight coefficient. The more important criterion for the given problem was chosen from each pair. The Fuller Triangle method was chosen for the system used to make the comparisons. The research design scheme can be summarized in the following steps: •specification of research goals and their limits; • determination of water-related crises for which a type plan has been prepared in crisis planning on the basis of a risk analysis; •SWOT analysis—specification of concrete criteria for individual areas; • performance of multicriteria analysis—determination of concrete criteria values (score); • Specification of relative importance of the parameters of individual characteristics and SWOT areas using the Fuller Triangle method (weight factor); •calculation of criterion strength—product of score and weight factor; • comparison of criterion strength for the individual SWOT areas (specification of partial sums); •summary comparison and assessment of positive or negative approach; •discussion and interpretation of results. 2.2. Materials—Characteristics of Selected Type Plans 2.2.1. Type Plan—Large-Scale Disruptions of the Supply of Drinking Water A large-scale disruption of the supply of drinking water is a critical situation which is unlikely to occur unexpectedly, without a preceding event. If the cause of the disruption is simply a standard defect of the water supply network, its delivery can be secured by the appropriate operator of the water mains via a backup supply. However, if there is a critical situation that has a large-scale impact on society related to a large-scale interruption of the delivery of drinking water (where it will not be possible to secure a sufficient reserve supply), the supply of drinking water will be handled within the scope of the system for the emergency drinking water supply. The emergency drinking water supply here refers to securing drinking water for the population in the amount necessary to ensure survival, for the period necessary to restore the standard drinking water supply systems within the affected area. Disruptions of the drinking water supply could be caused by contamination of the water source (intentional or unintentional), damage to the water treatment system used Hydrology 2021,8, 14 6 of 17 to create drinking water, extensive disruptions of the water network, or long periods of drought leading to a lack of underground as well as above-ground water. The possible impacts on society include: threats to the life and health of citizens due to drinking contaminated drinking water or water from other, unverified sources; lack of hygiene; the occurrence of epidemics of mass illnesses; intentional damage to water containers or other drinking water dispensing machinery in the case of potential panic or unrest; looting at drinking water retailers and others. 2.2.2. Type Plan—Flood Floods mean a temporary significant increase in the level of water in rivers or other surface water bodies which causes the water to flood an area outside of the riverbed and may cause damage. Due to its significant amount of broken terrain, the Czech Republic has a very dense hydrographic network spanning a total of about 85 thousand kilometers. It is located in the temperate climate zone with a regular seasonal temperature and precipitation cycle. Aside from these long-term swings, short-term temperature changes are caused by frequent transitions of atmospheric fronts, which separate colder and warmer air and are often accompanied with rainfall. In general, the long-term amount of rainfall increases at higher altitudes, but the predominant wind direction in mountainous areas is a significant factor as well. The average annual volume of outflow from the territory of the Czech Republic is about 15.1 billion m 3 , corresponding to a nominal outflow of 6.1 L · s −1· km −2 . The outflow ratios are, however, not equally distributed. The ratio between the average and maximum flow during a 100-year flood is 1:20 to 1:50 on larger rivers, may reach nearly 1:100 on smaller rivers, and small mountainous rivers may have even larger ratios. In the vast majority of cases, floods in the Czech Republic are decisively influenced by hydrological causes and phenomena that also occur in the Czech Republic. Floods coming from abroad may only be considered on the river of Ohra (flow into the Skalka reservoir), Lužnice (flow into the Tˇreboˇn pond system), Dyje (flow into the Vranov reservoir) and Stˇenava (flow from Poland). The floods caused by long-lasting regional rain (1997, 2002) caused the rise of floods on a large scape on a regional level. They usually occur on all watercourses in the afflicted region and propagate on medium-sized and larger watercourses (e.g., the Berounka, Vltava, Elbe, Morava, Thaya river basins). Extreme winter and spring floods are caused by the melting of the snow cover, especially in combination with heavy rains. It can affect both mountain regions, where they happen most often at the end of the winter season, when intensive rains fall on the remains of snow cover, then primarily in foothills and middle elevations, but also in lowlands (Znojmo region 2006). In the second aforementioned case, the negative factors for the rise of significant flooding are, in particular: a large amount of snow cover in lower and middle elevations that can thaw over the course of a few short days; rainfall; the temperature of the air exceeding 8 ◦ C on average and even persisting in the night on a level of about 4 ◦ C and more; freezing soil under the snow cover, which limits the permeation and speeds up the runoff; and the strong convection increasing rainfall on the windward side and the increasing melting of snow. Melting significant enough for a flood to arise can occur practically from the end of November until April. In a year with an abundance of snow, approximately 5 billion m 3 of water accumulates in snow throughout the entire territory. The height of the snow cover reaches an average of 10–20 cm in the lowlands, 40–60 cm in middle elevations and more than 100 cm in the mountains. The period of the melting of the snow cover is not regular, over the long-term, the maximum average snow cover in lowlands is in the middle of February, in mountains in the second half of March. The risk of flooding from spring thaws has decreased when compared to the period of the first half of the 19th century as a result of warming, the regularity of spring flooding has decreased, though the threat of significant spring flooding remains. Hydrology 2021,8, 14 7 of 17 Flooding caused by ice phenomena occur even at relatively lower flow rates in sections of the flow susceptible to the creation of ice sheets and ice jams in sites with lower flow rates or in a narrow section of the riverbed (dangerous ice phenomena can arise on various flows and tend to occur very often on, for example, the rivers Berounka, Otava, Beˇcva, MoravskáSázava, Sázava, DivokáOrlice, etc.). A critical situation may be announced if the ongoing critical water or flow levels and their impacts threaten the operation of critical infrastructure and where the handling of such situations is beyond the capabilities of individual regions in view of unfavorable weather forecasts. The impacts of large floods may include significant material damage and may have a long-term impact on the affected territory, and the impacts may require the use of all the country’s available resources including the possible use of international humanitarian aid even beyond the duration of the flood itself. 2.2.3. Type Plan—Flash Flood Flash floods are most frequently caused by sudden surface flow caused by significant and concentrated rainfall, which quickly concentrates in the river network due to broken terrain. Flash floods are characterized by high rainfall over a shorter duration, i.e., a high intensity and limited areal extent. In general, potentially dangerous precipitation is usually connected to the transition of frontal disorders or the influx of warm and humid air, which supports the development of convective clouds. The probability of the occurrence of heavy precipitation increases in mountain ranges, which create conditions for the occurrence of extreme rainfall on windward sides thanks to the increased flow of air. The resulting flood flows are, in addition to the intensity and duration of the causal rain and size of the afflicted area, also dependent on the physical/geographical characteristics of the afflicted territory. The main factors here represent the size and shape of the river basin, the inclination ratios of the terrain, soil permeability and saturation of the river basin prior to the rainfall. In some cases of flood situations of a regional nature, which are caused by long-lasting, less heavy precipitation, there is a considerable worsening of the course of the flood in the afflicted territory by locally limited heavy rainfall. Flash floods can be expected more in rural areas. Damage caused by excessive rainfall in rural areas including the erosion of agricultural areas and subsequent transport of sediments into built-up areas are, for the purposes of preparing type plans, considered to be a part of flash floods. The course of a flood is characterized by the type of the flood itself, the value of the culmination flow, the shape and volume of the flood wave and the season of its occurrence. Summer flash floods caused by short but intense rains usually affect a small area. They may affect any smaller river, but have catastrophic consequences especially when affecting sloping fan-like rivers. They exhibit a very rapid rise in water levels, followed by a very quick decrease. In addition to high precipitation intensity, an important role is also played by the ability of the soil to hold/soak rainfall water, which is affected by vegetation and anti-erosion measures as well as the current saturation of the soil due to previous precipitation. The most dynamic onset and largest death tolls are usually caused by rivers that are approximately 1–20 km2large, with a concentration period of less than 1 h. The risk factors for flash floods are: •intensity of rain; •speed of storm movement—the slower the movement, the greater the risk; • chain effect—the transition of several storms in rapid succession over one river basin; these storms do not need to be extremely strong; • synergy of the movement of storms in the direction of the water flow in the river basin; if the storm moves in the direction of the water runoff from the river basin, the risk of flooding is higher than movement in the opposite direction; • occurrence of impermeable and poorly permeable surfaces or the great previous saturation of the area supporting rapid runoff; Hydrology 2021,8, 14 8 of 17 •configuration of the terrain with steep slopes, narrow river valleys. The possibility of predicting flash floods is very limited due to the sharp dynamic of the development of convective clouds from which heavy precipitation comes. Even if meteorological conditions for the occurrence of heavy precipitation can be forecast relatively successfully, the precise localization of the occurrence, the duration and intensity of the heavy precipitation, and thus the specific threat to a locality can essentially not be predicted. The societal impacts may include: • significant limitations of social services and securities of citizens evacuated from flooded areas and other citizens in the immediate vicinity of flooded areas; • damage or destruction of houses and apartments, which will remain uninhabitable for a long period of time, long-term emergency accommodation of evacuated citizens; •impact on the function of waste water treatment plants; •damage to cultural landmarks; • traffic restrictions caused by flooded roads, direct damage to roads and associated buildings (notably bridges and floodgates), landslides or power outages. In case of rail transport, damage to, e.g., rails, sidings, tractional rail or obstacles is expected, and this may also lead to traffic disruptions. 2.2.4. Type Plan—Excessive Precipitation (Rainfall) For the purposes of crisis planning, excessive precipitation and its consequences refer to: the occurrence of intense precipitation in rural areas, leading to exceeding the capacity of the outflow network, flooding of lower floors of buildings and technical infrastructure by outflowing water. Damage caused by sudden excessive precipitation in rural areas including the erosion of agricultural areas and the subsequent transport of sediments into built-up areas is considered to be part of the flash flood or flood. In unfavorable conditions, rainfall may lead to a quick build-up of flowing water, especially on reinforced, less permeable or saturated surfaces, and to the flooding of lowerplaced areas, buildings or underground areas, or to a rise of the water level in rivers and subsequent flooding. Excessive precipitation connected with storms is a fairly common phenomenon in the summer, but in most cases lasts only a short time (up to 30 min). However, in some cases storm cells may remain exceptionally active and emit an extreme amount of precipitation over a very short period of time. Moreover, storm cells may agglomerate into a group of cells which repeatedly pass over the affected area. In addition to flash floods, storms are also usually accompanied with sudden gusts of wind, electric discharges, and possibly hailstorms. The occurrence of excessive precipitation is very random, and so it is very difficult to forecast the specific affected areas. They may also cause other unfavorable phenomena, notably soil erosion and landslides, which may then also damage traffic infrastructure, clog sewage systems, reduce flow capacities of river beds and the retention area of water recipients. 2.2.5. Type Plan—Disruptions of Dams of Significant Waterworks Associated with a Special Flood This category covers floods caused by artificial factors, which are situations that may occur on certain kinds of water works. The owners (users) or managers of water works are obliged to ensure that these are supervised by specialized technical and safety officers with the aim of continuously tracking the technical condition of the water works in view of its stability, safety and possible disruptions along with the proposal of suitable corrective measures. A special flood needs to be distinguished from natural floods, notably due to the different characteristics of its occurrence, course and the different flood measures that are to be used before and during a special flood. The handling of a special flood requires the careful preparation of bodies involved in the management of floods and crises and the preparation of a basic planning document (plan for protecting the landscape below a Hydrology 2021,8, 14 9 of 17 selected water facility against a special flood) aimed at handling arising critical situations. This critical situation can only be forecasted in the case of an unmanageable waterworks defect, gradually increasing overflow or water inflow into the waterworks following after long-lasting and/or sudden precipitation. Disruption of a water work (dam) and adjacent buildings due to accumulated surface water associated with the occurrence of a flood wave via a special flood will, due to its extensive destructive effects, be a reason for the announcement of a critical situation and subsequent declaration of an emergency/crisis. The area where the emergency will be announced directly depends not only on the amount of held water, the landscape configuration below the waterworks and the characteristics of the flood wave, but also on the size of the cities and towns (in terms of residential zones and production facilities) that may be affected by the special flood. There will be immense loss of human life, health, property and infrastructure, but the precise scope of these will, to a significant extent, depend on how well prepared the local bodies and citizens are for this critical situation. Table 1contains an overview of the plan characteristics, the application scale and the societal impacts Table 1. Overview of the plan characteristics. Type Plan Application Scale (Urban or Rural) Societal Impacts Large-scale disruptions of the supply of drinking water urban or rural threats to the life and health of citizens due to drinking contaminated drinking water or water from other unverified sources; lack of hygiene; occurrence of epidemics of mass illnesses; intentional damage to water containers or other drinking water dispensing machinery in case of a potential panic or unrest; looting at drinking water retailers Flood urban or rural significant material damage and may have a long-term impact on the affected territory, and the impacts may require the use of all the country’s available resources, including the possible use of international humanitarian aid even beyond the duration of the flood itself. Flash flood rural limitations of social services and securities of citizens evacuated from flooded areas; damage or destruction of houses and apartments; impact on the function of waste water treatment plants, damage to cultural landmarks; traffic restrictions caused by flooded roads, direct damage to roads and associated buildings (notably bridges and floodgates), landslides or power outages Excessive precipitation (rainfall) urban may also cause other unfavorable phenomena, notably soil erosion and landslides, which may then also damage traffic infrastructure, clog sewage systems, reduce flow capacities of river beds and the retention area of water recipients. Disruptions of dams of significant waterworks associated with a special flood urban or rural immense loss of human life, health, property and infrastructure, but the precise scope of these will, to a significant extent, depend on how well prepared the local bodies and citizens are for this critical situation. Source: own research. 3. Results 3.1. Factors of SWOT Analysis SWOT analysis was used to perform the actual assessment. In order to make the organization of the factors into individual segments of the analysis easier to read, we provide Table 2of preparedness for water-related critical situations listed in crisis documentation and focusing on type plans. The table is divided into four quadrants: the left side contains factors that have a positive impact on the topic while the right side contains negative effects and undesirable factors. The upper part maps internal factors, while the lower part presents external influences. Individual factors of the analysis were processed based on Hydrology 2021,8, 14 16 of 17 References 1. Kroˇcová, Š. Strategie Dodávek PitnéVody; Sdruženípožárního a bezpeˇcnostního inženýrství: Ostrava-Poruba, Czech Republic, 2009; 158p, SPBI Spektrum 63, ISBN 978-80-7385-072-2. 2. Bozek, F.; Bozek, A.; Bumbova, A.; Bakos, E.; Dvorak, J. 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