Integrated approach to delineation of drinking water protection zones

Brenčič, Mihael; Prestor, Joerg; Kompare, Boris; Matoz, Helena; Kranjc, Stojan

doi:10.5474/geologija.2009.017

Cited by 9 publications

(11 citation statements)

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“…64/04, 5/06, 58/11 and 15/16)). The purpose of groundwater protection zones is to prevent and restrict points and diffuse sources of pollution that may affect drinking water quality [42]. Protective measures, prohibitions, and restrictions apply to construction and other land uses.…”

Section: Potential Receptors Affected By the Pollutionmentioning

confidence: 99%

Synoptic Risk Assessment of Groundwater Contamination from Landfills

et al. 2022

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Waste management in Europe has improved in recent years, reducing the amount of waste disposed at landfills. However, there are still many landfills in the countries. It is well known that landfills that do not have measures in place to control leachate entering groundwater can contaminate groundwater long after the landfill is closed. Collecting monitoring results from all landfills allows permitting and management agencies to improve action plans. This relies on a synoptic risk assessment that allows prioritization and milestones to be set for required actions. The developed method of synoptic risk assessment is based on a conceptual model of the landfill and the results of chemical groundwater monitoring tested at 69 landfills in Slovenia. The study confirms that most landfills have a direct or indirect impact on groundwater quality. All landfills were classified into three priority classes on the basis of the synoptic risk assessment. The results show that a total of 24 landfills have a clearly pronounced impact on groundwater. A total of 31 landfills have a less pronounced impact due to the favorable natural attenuation capacity of the soil or the technically appropriate design of the landfill itself. A total of 14 landfills have a less pronounced or negligible impact on groundwater.

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Section: Potential Receptors Affected By the Pollutionmentioning

confidence: 99%

Synoptic Risk Assessment of Groundwater Contamination from Landfills

et al. 2022

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“…A relatively large amount of precipitation, especially in the form of rain, and low evaporation determine the increased values of surface and underground runoff, the greater intensity of water exchange and water circulation in the near-surface horizons of rocks and, accordingly, the development of dissolution and leaching processes. Factor P takes into account the amount of liquid and solid sediments involved in feeding karst waters [8].…”

Section: The Main Factors Affecting the Quality Of Groundwatermentioning

confidence: 99%

Algorithm for a Forecast Assessment of Negative Changes in Underground Water in the Territory of Non-Centralized Water Supply

Romanov

Kuzichkin

Vasiliev

2022

IOP Conf. Ser.: Earth Environ. Sci.

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The water quality of non-centralized water supply sources largely depends on the presence of active karst processes. Underground waters of karst origin are a vulnerable component of the geological environment to the influence of modern anthropogenic factors that violate natural hydrogeological and geoecological conditions. One of the indicators of the development of karst processes is the level of river runoff and mineralization of underground water. The results of the analysis of these data make it possible to increase the efficiency of geoecological monitoring systems and to increase the accuracy of forecast estimates of negative changes in groundwater in the territory of non-centralized water supply. When processing heterogeneous spatial data, it is proposed to identify anomalous deviations of parameters. An algorithm has been developed that determines the critical states of karst water vulnerability indicators. A system of equations has been compiled to find the necessary value of the indicators of vulnerability of karst waters, at which the state of underground water passes into a critical state. The paper analyzes data on the salt content and electrical conductivity of groundwater at key points and the number of karst dips. Preliminary hydrogeological work was carried out to determine the conditions of movement of karst waters associated with the lithological heterogeneity of the massif and the degree of karst formation. The results obtained can be used to improve the regional model for assessing the resources of vulnerability and protection of groundwater and forecast the activation of destructive karst processes.

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“…Drinking water protection zones have been established by law to maintain the quality of surface waters and aquatic ecosystems [19,20]. They consist of the following three parts: inner, middle, and outer protection zones [20].…”

Section: Introductionmentioning

confidence: 99%

“…They consist of the following three parts: inner, middle, and outer protection zones [20]. The inner protection zone is located near the drinking water source, and its boundaries are closely related to the riparian buffer boundaries.…”

Section: Introductionmentioning

confidence: 99%

“…The middle protection zone runs along the inner protection zone and covers certain buffer areas. The outer protection zone covers the remaining catchment area not covered by the inner protection zone and middle protection zone [19,20]. Among them, the inner protection zone is known for its ability to control non-point source pollution (NPS) by intercepting and retaining excess particulates and dissolved nutrients originating from the surrounding uplands.…”

Section: Introductionmentioning

confidence: 99%

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Decline of N and P Uptake in the Inner Protection Zone of a Terminal Reservoir during Inter-Basin Water Transfers

Yang

Bai

Zhao

et al. 2018

Water

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Inter-basin water transfer projects are designed to relieve water scarcity around the world. However, ecological problems relating to reductions in protection zone functions can occur during inter-basin transfers. This paper uses the largest inter-basin water transfer project in the world, namely, the South-to-North Water Transfer Project (SNWTP) in China, as an example to analyze the variation of Miyun Reservoir's inner protection zone functions when water is transferred. Specifically, a riparian model (RIPAM) coupled with remote sensing data were used to calculate the nitrogen (N) and phosphorus (P) losses due to plant uptake, and these results were validated by in situ survey data. Then, correlations between water levels and N and P removal were analyzed. The results show that water table disturbances resulting from elevated water levels strongly influence the growth of plants and have obvious negative impacts on N and P removal in the inner protection zone. With the implementation of the middle route of the SNWTP, the water level of Miyun will rise to 150 m in 2020, and subsequently, the total net primary productivity (NPP) could decline by more than 40.90% from the level in 2015, while the N and P uptake could decline by more than 53.03% and 43.49%, respectively, from the levels in 2015, according to the modeling results. This will lead to declines in the inner protection zone's defense effectiveness for N and P interception and increases in risks to the security of water resources. The results of this study provide useful knowledge for managing the defense function of the terminal reservoir's inner protection zone and for ensuring that water quality is maintained during the diversion process.

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Integrated approach to delineation of drinking water protection zones

Cited by 9 publications

References 0 publications

Synoptic Risk Assessment of Groundwater Contamination from Landfills

Synoptic Risk Assessment of Groundwater Contamination from Landfills

Algorithm for a Forecast Assessment of Negative Changes in Underground Water in the Territory of Non-Centralized Water Supply

Decline of N and P Uptake in the Inner Protection Zone of a Terminal Reservoir during Inter-Basin Water Transfers

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