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Groundwater Contamination Risk Assessment Based on Groundwater Vulnerability and Pollution Loading: A Case Study of Typical Karst Areas in China

Author

Listed:
  • Yanna Xiong

    (Technical Centre for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China)

  • Jingchao Liu

    (College of Water Science, Beijing Normal University, Beijing 100091, China)

  • Wenchao Yuan

    (Technical Centre for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China)

  • Weijiang Liu

    (Technical Centre for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China)

  • Shaobing Ma

    (Technical Centre for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China)

  • Zhiyu Wang

    (School of Chemical & Environmental Engineering, China University of Mining & Technology, Beijing 100083, China)

  • Tongtong Li

    (Technical Centre for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China)

  • Yanwei Wang

    (Technical Centre for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China)

  • Jin Wu

    (Faculty of Architecture, Civil and Transportation Engineering, Beijing University of Technology, Beijing 100124, China)

Abstract

Groundwater contamination risk assessment is an important basis to support the protection of the groundwater ecological environment. In this research, the groundwater contamination risk in typical karst areas in China was evaluated by PLEIK model (P: protective cover; L: land use; E: epikarst development; I: infiltration conditions; K: karst development) and classification and discrimination methods were used to assess groundwater vulnerability and pollution source load; the water quality index method was used to assess the status of groundwater contamination in the research area. The results show that groundwater vulnerability values in the research area range from 3.04 to 7.79, and most areas have low groundwater vulnerability. Groundwater pollution loading indexes, in the region of the pollution sources, gathered numerical up-water quality status evaluation that shows that most of the regional groundwater quality in the research area has good groundwater at present. The groundwater contamination risk assessment results show that the groundwater pollution risk is mainly at a very low level in most areas of the study area, but the groundwater pollution risk is higher in the areas where the pollution sources gather. The result reveals that the regional groundwater contamination risk level for regional groundwater ecological environment protection provides a theoretical basis for policy making.

Suggested Citation

  • Yanna Xiong & Jingchao Liu & Wenchao Yuan & Weijiang Liu & Shaobing Ma & Zhiyu Wang & Tongtong Li & Yanwei Wang & Jin Wu, 2022. "Groundwater Contamination Risk Assessment Based on Groundwater Vulnerability and Pollution Loading: A Case Study of Typical Karst Areas in China," Sustainability, MDPI, vol. 14(16), pages 1-16, August.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:16:p:9898-:d:885058
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    References listed on IDEAS

    as
    1. Lingjun Meng & Qixing Zhang & Pai Liu & Haiyang He & Wei Xu, 2020. "Influence of Agricultural Irrigation Activity on the Potential Risk of Groundwater Pollution: A Study with Drastic Method in a Semi-Arid Agricultural Region of China," Sustainability, MDPI, vol. 12(5), pages 1-14, March.
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    Cited by:

    1. Jingchao Liu & Jin Wu & Shaowei Rong & Yanna Xiong & Yanguo Teng, 2022. "Groundwater Vulnerability and Groundwater Contamination Risk in Karst Area of Southwest China," Sustainability, MDPI, vol. 14(21), pages 1-13, November.
    2. Paulo Campoverde-Muñoz & Luis Aguilar-Salas & Paola Romero-Crespo & Priscila E. Valverde-Armas & Karla Villamar-Marazita & Samantha Jiménez-Oyola & Daniel Garcés-León, 2022. "Risk Assessment of Groundwater Contamination in the Gala, Tenguel, and Siete River Basins, Ponce Enriquez Mining Area—Ecuador," Sustainability, MDPI, vol. 15(1), pages 1-14, December.

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