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Hydrogeology Journal

, Volume 27, Issue 4, pp 1159–1182 | Cite as

Domestic well reliability: evaluating supply interruptions from groundwater overdraft, estimating costs and managing economic externalities

  • Robert M. GaileyEmail author
  • Jay R. Lund
  • Josué Medellín-Azuara
Paper
  • 132 Downloads

Abstract

The effects of groundwater depletion may impose costs on many people that rely upon the resource. Such costs are not borne entirely by the high-volume pumpers that largely create the problematic conditions. Ideally, sustainable groundwater management should include addressing economic externalities and social equity, although information quantifying these concerns is often unavailable. This work estimates impacts to domestic water well owners from groundwater overdraft caused mostly by pumping deeper agricultural wells. A study is presented for Tulare County in the southern Central Valley of California, USA, where many interruptions in domestic well supplies occurred during a recent drought. The case has unusually well-documented conditions and data available for analysis. A method is developed to model supply interruptions and estimate costs for maintaining domestic water well supplies that are impacted by declining groundwater levels. The analysis is performed in the context of planning for sustainable groundwater management and suggestions for managing the economic externality are made. This work may provide a basis for evaluating the economic impacts on well owners from over-pumping in basins outside the study area where less data may be available.

Keywords

Water supply Over-abstraction Economic externalities Geographic information systems USA 

Fiabilité des puits domestiques: évaluation des interruptions d’approvisionnement à partir de la surexploitation des eaux souterraines, de l’estimation des coûts et de la gestion des externalités économiques

Résumé

Les effets de l’épuisement des eaux souterraines peuvent imposer des coûts à de nombreuses personnes qui dépendent de la ressource. Ces coûts ne sont pas entièrement supportés par les personnes qui prélèvent de large volume d’eau, largement responsable des conditions problématiques qui en résultent. Idéalement, la gestion durable des eaux souterraines devrait inclure l’examen des externalités économiques et de l’équité sociale, bien que les informations quantifiant ces préoccupations soient souvent indisponibles. Ce travail évalue les impacts pour les propriétaires de puits d’eau domestiques de la surexploitation des eaux souterraines, causée principalement par les pompages de puits plus profonds à des fins agricoles. Une étude est présentée pour le comté de Tulare dans le Sud de la vallée centrale de Californie, États-Unis d’Amérique, où de nombreuses interruptions dans l’alimentation en eau en provenance de puits domestiques ont eu lieu au cours d’une sécheresse récente. Cette situation a des conditions et des données exceptionnellement bien documentées disponibles pour l’analyse. Une méthode est élaborée pour modéliser les interruptions d’approvisionnement et estimer les coûts des approvisionnements de puits d’eau domestiques qui sont touchés par la diminution des niveaux d’eaux souterraines. L’analyse est effectuée dans le cadre de la planification de la gestion durable des eaux souterraines et des suggestions pour la gestion de l’externalité économique sont faites. Ce travail peut servir de base pour évaluer les impacts économiques d’une surexploitation sur les propriétaires de puits domestiques, dans les bassins situés à l’extérieur de la zone d’étude où moins de données peuvent être disponibles.

Confiabilidad de pozos domésticos: evaluación de interrupciones en el suministro por sobreexplotación de aguas subterráneas, estimación de costos y gestión de externalidades económicas

Resumen

Los efectos del agotamiento de las aguas subterráneas pueden imponer costos a muchas personas que dependen del recurso. Estos costos no son asumidos en su totalidad por quienes bombean altos volúmenes que crean en gran medida las condiciones problemáticas. Idealmente, la gestión sostenible de las aguas subterráneas debería incluir el abordaje de las externalidades económicas y la equidad social, aunque la información que cuantifica estas preocupaciones a menudo no está disponible. Este trabajo estima los impactos a los propietarios de pozos de agua domésticos por sobreexplotación de aguas subterráneas causados principalmente por el bombeo de pozos agrícolas más profundos. Se presenta un estudio para el condado de Tulare en el sur del Valle Central de California, EEUU, donde se produjeron muchas interrupciones en los suministros de pozos domésticos durante una reciente sequía. El caso tiene disponibles condiciones y datos inusualmente bien documentados para su análisis. Se desarrolla un método para modelar las interrupciones en el suministro y estimar los costos de los suministros de pozos de agua domésticos que se ven afectados por la profundización de los niveles de agua subterránea. El análisis se realiza en el contexto de la planificación para la gestión sostenible de las aguas subterráneas y se hacen sugerencias para gestionar la externalidad económica. Este trabajo puede proporcionar una base para evaluar los impactos económicos en los propietarios de los pozos por el exceso de bombeo en las cuencas fuera del área de estudio, donde puede haber menos datos disponibles.

国内井的可靠性:评价地下水超采造成的供应中断、估算成本和外部管理经济性

摘要

地下水枯竭的影响可能会使许多依赖该资源的人付出代价。这些成本并不完全是由大容量的抽水机承担的,这在很大程度上造成了问题。理想的情况是,地下水可持续管理应包括解决经济外部性和社会公平问题,尽管往往无法提供量化这些关切的信息。这项工作估计地下水透支对家庭水井所有者的影响主要是由于抽更深的农业水井造成的。一项针对美国加州中南部山谷的图拉雷县的研究报告指出,在最近的一次干旱中,国内油井供应出现了许多中断。这起案件有不同寻常的详细记录和可供分析的数据。发展了一种方法来模拟受地下水位下降影响的生活水井供应中断并估算其费用。在地下水可持续管理规划的背景下进行了分析,并提出了治理经济外部性的建议。这项工作可以为评估研究区域以外的流域过度抽水对油井所有者造成的经济影响提供依据,因为在研究区域以外的地区,可获得的数据可能较少。

Confiabilidade do poço doméstico: avaliação das interrupções a partir da redução das reservas de águas subterrânea, estimativa de custos e gerenciamento de externalidades econômicas

Resumo

Os efeitos da depleção das águas subterrâneas podem impor custos a muitas pessoas que dependem do recurso. Tais custos não são suportados inteiramente pelas bombas de alto volume que criam em grande parte as condições problemáticas. Idealmente, o manejo sustentável das águas subterrâneas deve incluir a abordagem das externalidades econômicas e da equidade social, embora a informação que quantifica essas preocupações esteja muitas vezes indisponível. Este trabalho estima os impactos para os proprietários de poços domésticos do esgotamento de reservas de água subterrânea causado principalmente pelo bombeamento de poços agrícolas mais profundos. Um estudo é apresentado para o Condado de Tulare, no sul do Vale Central da Califórnia, EUA, onde ocorreram muitas interrupções no abastecimento de poços domésticos durante uma recente seca. O caso tem condições e dados incomumente bem documentados disponíveis para análise. Um método é desenvolvido para modelar as interrupções de fornecimento e estimar os custos para os suprimentos domésticos de poços que são impactados pelo declínio dos níveis das águas subterrâneas. A análise é realizada no contexto do planejamento para o manejo sustentável das águas subterrâneas e são feitas sugestões para o gerenciamento da externalidade econômica. Este trabalho pode fornecer uma base para avaliar os impactos econômicos em proprietários de poços de bombeamento excessivo em bacias fora da área de estudo, onde menos dados podem estar disponíveis.

Notes

Acknowledgements

The authors are grateful to the California Department of Water Resources for sharing an early version of the dataset regarding the geographic distribution of water supply well constructions, the Tulare County Office of Emergency Services for sharing information on the geographic distribution of domestic water supply outages, and the Tulare County Health and Human Services Agency, Environmental Health Services Division, for sharing information well construction and destruction permitting. Thomas Harter and two anonymous reviewers are also appreciatively acknowledged for editorial and technical comments that improved this manuscript.

Funding information

This work was supported by the UC Office of the President’s Multi-Campus Research Programs and Initiatives (MR-15-328473) through UC Water, the University of California Water Security and Sustainability Research Initiative. Additional support was provided by the California Department of Food and Agriculture (UC Agreement 16-0125), S.D. Bechtel Jr. Foundation and US Environmental Protection Agency (Assistance Agreement 83586701) through the UC Davis Center for Watershed Sciences.

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Civil and Environmental EngineeringUniversity of California DavisDavisUSA
  2. 2.Robert M. Gailey Consulting Hydrogeologist PCBerkeleyUSA
  3. 3.Department of Civil and Environmental EngineeringUniversity of California MercedMercedUSA

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