As they respond to mounting climatic and socioeconomic stressors, drinking water utilities must make decisions that span a diverse scope of strategic, planning, and operational issues. Their decision making is guided, in part, by how actors within the organization collectively interpret the situation they face. This sense-making process is profoundly influenced by the organization’s institutional logics, the overarching sets of principles, assumptions, values, and beliefs that provide a shared cognitive framework that shapes how individuals and organizations prioritize objectives and choose among courses of action. Organizations often operate under the influence of multiple logics, the interplay between which will impact how organizations evaluate the appropriateness of the potential actions under consideration. How organizations manage the co-existence of multiple competing logics across an array of real-world decisions is not well-understood, particularly for drinking water providers. This research examines the institutional logics that shaped how mid-sized drinking water utilities in the USA made eight decisions that involve potential trade-offs or uncertain effects. The case studies reflect four commonly occurring types of decisions: repairs of aging, outdated, or degraded infrastructure; updates to operational practices; operational disruptions; and responses to external mandates. Findings indicate that decision making by drinking water utilities is guided by six co-existing institutional logics. Although logics related to reliable water supply and protecting public health and safety are primary considerations, the logics that drive specific utility decisions are context dependent. Further, incompatibilities between and within logics commonly arise. Utilities address incompatibilities across their logics by employing dominant logics and, in certain cases, compromising across logics to minimize conflicting rationalities. These insights help to explain patterns of behavior across utilities and serve to advance understandings of how organizational behavior and sense-making influence the ways in which drinking water utilities navigate decisions central to their ability to provide essential services.

Groundwater sustainability policies can help reduce and mitigate the effects of groundwater depletion. While such policies are important, how they are implemented is a critical determinant of their success. During implementation, agencies must decipher the policy and translate it into actions. If there are multiple ways to interpret the policy (i.e., when there are ambiguities), implementing agencies must make subjective decisions regarding implementation. As a result, groundwater sustainability policies may fail to achieve their intended goals. A key step for facilitating the implementation of such policies is to identify when and why ambiguity is likely to arise. This research examines ambiguities during implementation of California's Sustainable Groundwater Management Act. Six factors (agency discretion, credibility gaps, policy gaps, policy overlap, information gaps, and knowledge gaps) contributed to four ambiguities (means, goal, oversight, and authority). These ambiguities contributed to variation in implementation and increased the amount of effort required of agencies to interpret the policy and translate it into action. Policymakers and practitioners can learn from California's experience and take steps to design and implement groundwater sustainability policies in ways that reduce variability and help ensure groundwater sustainability goals are achieved.

Engagement with stakeholders and the public is a key aspect of environmental governance, yet, jurisdictional boundaries, a diversity of actors, and geography complicate implementation of engagement when environmental issues supersede the scale of a country. This research examines the motivations and practices used for engagement in transboundary rivers by investigating three cases of engagement by international river basin organizations as they implemented science-policy processes to support regional water governance. The three cases provide insights into the objectives supranational organizations wish to achieve through engagement, who they engage, and how they structure their engagement. Results indicate commonalities across the cases including: the creation and use of multiple forums for engagement; the use of mechanisms known to promote acceptance of the science-policy process including representation and external review; an emphasis on engagement with national-level entities; and a narrow, well-defined scope for the topic of engagement. Variation in the forums and focus of engagement across the cases also illuminates the need for indepth research to identify factors influence the choice of engagement activities. Overall these findings highlight important aspects of engagement at larger scales and can help inform the design and implementation of engagement processes by other supranational entities.

Local governments around the world face mounting pressures that affect their provision of public services. To prepare for and respond to stressors and shocks, local service providers can choose from among a wide variety of actions. The adaptive actions they choose will influence which risks are addressed, when, and how. Selection of adaptive actions can also have long-term implications if the actions affect future options for adaptation. This research investigates the influence of institutions on selection of adaptive actions by local public service providers as they seek to respond to climatic stressors. Drawing on insights from focus groups with local drinking water utilities across the USA, the research identifies five institutional dependencies that affect the selection of adaptive actions and examines the pathways through which those institutional dependencies influence decision-making. These pathways are then combined to present a conceptual model of factors shaping selection of adaptive actions. Findings indicate that the polycentric institutional environment in which local service providers are embedded limits control over adaptation decisions, can constrain the set of feasible actions, and can add substantial transaction costs. As a result, selection of adaptive actions includes consideration of the effect of institutional dependencies on the feasibility and ease of implementation.

A critical question in relation to inter-agency coordination is not only whether, but how, to coordinate. This question is particularly salient when agencies are subject to a top-down mandate. While inter-agency coordination can provide multiple benefits, agencies frequently have concerns about the potential risks of coordination. Differing coordination mechanisms may reduce or exacerbate those concerns. Depending on their coordination concerns, agencies will be inclined to favor certain mechanisms over others. Examination of the implementation of California’s Sustainable Groundwater Management Act, which mandates local agency coordination, indicates that coordination mechanism selection is influenced by which combination of concerns agencies hold, with autonomy considerations taking priority over other concerns. These findings suggest opportunities to improve the explanatory power of theories of inter-agency coordination by incorporating potential hierarchies of concerns, their distribution across the multiple agencies tasked with coordinating, and configurational effects. To this end, we propose a contingency theory of agency concerns and coordination mechanism choice under a mandate to coordinate.

Coordination mandates are used to steer collective action between local government agencies. When higher levels of government allow agencies to choose how to work together, the organizational forms and institutional arrangements they adopt likely influences their ability to achieve mandated coordinated outcomes. How group-level interactions influence achievement of coordinated outcomes is not well understood. California’s Sustainable Groundwater Management Act (SGMA) provides opportunity to shed light on this topic. SGMA is a state-legislative mandate that requires local agencies who share groundwater basins to undertake groundwater sustainability planning. The mandate affords agencies leeway in deciding how they engage with one another so long as they meet multiple requirements for coordinated outcomes. Drawing on institutional theories of collective action and ethnographic data collected from 2018 to 2022, we employ multi-value Qualitative Comparative Analysis to examine how configurations of organizational forms and institutional arrangements adopted by agencies in eighteen groundwater basins influenced their achievement of coordinated outcomes. Our findings highlight the importance of adopting collaborative institutional arrangements. Yet, the specific configuration of collaborative institutional arrangements varies depending on the type of coordinated outcomes agencies are mandated to achieve. These findings point to the need for mandates to require adoption of collaborative institutional arrangements, the specific configurations of which will be dictated by the requirements of the mandate.

Modifications to land can serve to jointly reduce risks of floods and droughts to people and to ecosystems. Whether land modifications are implemented will depend on the willingness and ability of a diversity of actors. This article reviews the state of knowledge on land modification use in areas exposed to dual hydrologic risks and the land owners, managers, and users who directly make decisions about action on lands they control. The review presents a typology of land modifications and explains how land modifications interact with the hydrological cycle to reduce risks. It then addresses the roles and perspectives of the land owners, managers, and users undertaking land modifications, summarizing theories explaining motivations for, as well as barriers to and enablers of, land modification implementation. The analysis reveals geographical differences in narratives on land modifications as well as knowledge gaps regarding variation across actors and types of land modifications.

Small community water systems (CWS) often have difficulty maintaining high-quality service provision. Partnerships can help alleviate these problems, yet may not be attainable or pursued. This research examines the perspectives of U.S. state agencies with drinking water primacy regarding the benefits of water systems partnerships and the points of leverage that can induce water systems to partner. It assesses the benefits, drawbacks, and barriers to five common forms of partnerships as well as the approaches states can use to encourage small CWS partnerships. Findings indicate that while partnerships hold significant potential, in many contexts, there are inherent limitations to their formation.

Regulation is critical for protecting public and environmental health but is often perceived as a barrier to innovation in the U.S. municipal wastewater sector. Before a wastewater utility can implement a new technology, it must navigate applicable regulatory processes and obtain necessary approvals, often including obtaining an updated wastewater discharge permit. While all regulatory processes involve interactions between regulators and regulated entities, innovative projects may require them to engage in new ways, heightening the importance of the relationships between them. We investigated four case studies to examine how regulatory relationships affect municipal wastewater utilities’ efforts to adopt new technologies. Through cross-case analysis, we identified five interconnected characteristics of regulatory relationships that appear to facilitate innovation, and whose absence could impede it: clarity , capacity building , continuity , trust , and bounded flexibility . Appropriately applied bounded flexibility —such as using regulatory discretion to tailor permits to reflect the particular risks, benefits, and information needs of the technology at issue—may be key for enabling socially and environmentally beneficial innovation. Yet all five characteristics play important and mutually reinforcing roles in supporting innovation. By cultivating these characteristics in their relationships, both utilities and regulators can take responsibility for enabling appropriate implementation of innovative technologies. However, some parties, particularly small and under-resourced utilities, may find cultivating these characteristics difficult. Therefore, sector-wide support for effective utility-regulator relationships, including coordinated regulatory and funding programs targeted to meet small utilities’ needs, may be needed to bring beneficial innovation within reach for many wastewater utilities and the communities they serve.

The Heyborne Ponds Recharge Project is a multibenefit project that simultaneously seeks to promote wildlife conservation, to address threatened and endangered species recovery, to support recreation, and to facilitate water availability for agriculture. The project delivers water from the South Platte River to recharge ponds to provide habitat for migrating birds while concurrently providing a mechanism for water to infiltrate into the alluvial aquifer and return to the river at a later time. This temporal shift in the timing of flows in the river provides several benefits. Under Colorado law, groundwater users can pump out of priority only if they augment surface water flows. Further, Colorado has interstate commitments to augmenting downstream flows in the Platte River. Multiple-benefit projects such as Heyborne Ponds represent an untapped opportunity for diverse interests to work together in implementing managed aquifer recharge.

The Orange County Water District (OCWD) was created in 1933 by the California Legislature and tasked with managing water resources in Orange County. As a part of its strategy to fight seawater intrusion and guarantee a reliable groundwater supply in the basin, OCWD built a recycled wastewater facility that treats wastewater received from the Orange County Sanitation District and recharges the water into the basin through injection wells and infiltration ponds. OCWD’s first recycled wastewater facility, Water Factory 21, began operating in 1975 and was replaced in 2008 by the Groundwater Replenishment System (GWRS). Recharged water not serving as a barrier for seawater instruction is pumped by local water districts and municipalities (referred to as “producers”), who pay a pumping fee to OCWD. Water provided by GWRS is both more reliable and less expensive for the producers than water acquired from other sources, including imported surface water. In responding to the recognized threat of seawater intrusion, OCWD owes its success to creatively enabling recharge through the development of novel source water. OCWD’s broad purview and authority to manage groundwater, combined with its effective implementation and long-term stewardship of the recharge program as it has evolved over many years, have enabled innovation in MAR using treated wastewater.

Despite pressures to improve performance and reduce costs, innovation in the municipal wastewater sector in the United States has been notoriously slow. Previous research has suggested that wastewater utility managers may see regulation as a barrier to developing and deploying new technologies. To better understand how environmental regulation may fuel or hinder innovation in this sector, we conducted a nationwide survey of wastewater utility managers and wastewater regulators in the United States, asking both populations about their perceptions of specific aspects of regulation and innovation. Survey results revealed broad agreement between the two groups that funding and capacity, regulatory relationships, and complexities and inconsistencies within the regulatory environment present key barriers to and opportunities for enabling increased innovation in the municipal wastewater sector. While utility managers perceived almost all aspects of regulation as stronger barriers and opportunities than regulators did, both groups ranked them similarly. These results are promising evidence of common ground between wastewater regulators and municipal wastewater utility managers, and suggest shared views of key leverage points for encouraging innovation. Notably, neither regulators nor utility managers viewed reducing regulatory stringency as a productive way to encourage the deployment of new technologies. Rather, our survey results suggest that improving relationships and communication between utility managers and regulators, along with additional funding support for increased capacity of both utilities and regulators, would be more fruitful ways to encourage innovation in the municipal wastewater sector.

The Arizona Water Banking Authority (AWBA) was established in 1996 to make full use of Arizona's Colorado River entitlement. It aims to address groundwater depletion in central Arizona and to protect Colorado River water users against future shortages due to interannual variability in water availability. Each year, the AWBA pays the costs to deliver any of the state's unused entitlement to Colorado River water into central and southern Arizona and to store that water underground. The AWBA stores water on behalf of Central Arizona Project municipal subcontractors, other mainstream municipal Colorado River water rights holders, and tribal entities. Through its interstate banking agreements, the AWBA can also store water on behalf of the states of Nevada and California. Water stored by the AWBA is accounted for using Arizona's statutorily created system of long-term storage credits (LTSCs), which allow future pumping of stored water within the same hydrologic basin. During shortage conditions in the Lower Basin of the Colorado River, the AWBA will distribute the LTSCs, enabling recipients to pump groundwater that otherwise would not be permitted. In this way, the AWBA serves as a unique insurance mechanism against shortages for users of Colorado River water in Arizona and the Lower Basin. To date, the AWBA's focus has been on storage, yet in the coming years, its activities will shift to recovery, and it will need to confront additional challenges associated with matching supplies with demands and limitations on water available for recharge.

Shared groundwater resources between Mexico and the United States are facing unprecedented stressors. We reflect on how to improve water security for groundwater systems in the border region. Our reflection begins with the state of groundwater knowledge, and the challenges groundwater resources face from a physical, societal and institutional perspective. We conclude that the extent of ongoing cooperation frameworks, joint and remaining research efforts, from which alternative strategies can emerge, still need to be developed. The way forward offers a variety of cooperation models as the future offers rather complex, shared and multidisciplinary water challenges to the Mexico–US borderlands.

Streams in urbanizing watersheds often experience low flows in summer due to increased water use for residential landscaping and decreased base flow as impervious land cover limits aquifer recharge. Environmentally beneficial landscape practices that save water and infiltrate runoff have the potential to provide multiple ecological benefits including reducing stress on urban streams, but can face opposition by local homeowners. Thus, this study explored attitudes toward landscape water conservation including the barriers and motivations that exist to adoption of water conserving landscape practices by residents in the Ipswich River watershed north of Boston, Massachusetts (USA) that experiences seasonal water shortages. The study used a mail-out and on-line survey with images of different water conserving landscape practices (including rain gardens and native plantings) and questions about homeowners’ watering practices, likelihood of adopting these landscape practices, and attitudes towards environmental issues in the region, including existing water policies to restrict use. The results showed that residents (n=265) were aware of existing water shortages and supportive of water conservation policies. Their willingness to adopt water conserving landscape practices was influenced by aesthetic preference with more support for practices that appeared neat rather than those that appeared unkempt. Barriers to residential adoption of these landscape practices included concern about disease-carrying pests and the perceived cost of landscape change. Knowledge about the environment, as operationalized by membership in a local watershed association, as well as educational attainment and income were statistically significant variables in predicting aesthetic preferences and willingness to adopt landscape practices. Promoting widespread adoption of water conserving landscape practices could benefit from local community support and educational initiatives about the multiple-benefits of these practices, including potential long-term cost savings for homeowners. Residential landscape design and management, however, are only part of overarching policy changes that could address water conservation in urbanizing watersheds.

The Heyborne Ponds Recharge Project is a multibenefit project that simultaneously seeks to promote wildlife conservation, to address threatened and endangered species recovery, to support recreation, and to facilitate water availability for agriculture. The project delivers water from the South Platte River to recharge ponds to provide habitat for migrating birds while concurrently providing a mechanism for water to infiltrate into the alluvial aquifer and return to the river at a later time. This temporal shift in the timing of flows in the river provides several benefits. Under Colorado law, groundwater users can pump out of priority only if they augment surface water flows. Further, Colorado has interstate commitments to augmenting downstream flows in the Platte River. Multiple-benefit projects such as Heyborne Ponds represent an untapped opportunity for diverse interests to work together in implementing managed aquifer recharge.

While the past decades have seen substantial gains in access to safe drinking water around the world, the challenge over the next 50 years will be to maintain and expand these gains. Ageing infrastructure, deferred maintenance and financial woes, combined with shifting demands and climate change, threaten the functioning and long-term sustainability of water systems. This article examines three facets of piped water supply - infrastructure, management and financing - assessing the stressors, drivers of change and paradigm shifts affecting each. The review sheds light on the future of piped water, the successes that may be found and the remaining gaps to be addressed.

The Eastern Snake Plain Aquifer (ESPA) Recharge Program aims to recharge an average of 250,000 AFY to mitigate the effects of groundwater pumping on surface water resources and, in doing so, to reduce conflicts between surface and groundwater users. The Idaho Water Resources Board (IWRB) partners with canal and irrigation companies to use IWRB’s surface water rights to conduct aquifer recharge through in- and off-canal seepage and direct injection wells. The canal and irrigation companies are paid by IWRB to use their canals and property for recharge sites. From 2014 to 2019, the program achieved 249,028 AFY of average recharge per year. The ESPA Recharge Program serves as a good example of a statewide recharge program that addresses challenges in managing highly connected groundwater and surface water. Moreover, it illustrates the incentives that can emerge for joint management of groundwater and surface water based on legal regimes that integrate the two. The ESPA Recharge Program particularly benefited from its centralized structure, with one state agency, IWRB, given sole control of implementing the recharge program. Nevertheless, the program faces some future obstacles, namely, in securing long-term funding, building out conveyance capacity to transport water to recharge sites during wet years, and modeling groundwater resources adequately.

San Antonio Water Systems (SAWS) developed its H2Oaks aquifer storage and recovery project in response to pumping restrictions set on its primary source of water supply, the Edwards Aquifer. The H2Oaks project pumps water from the Edwards Aquifer during wet years and transports it to the H2Oaks project site, where it is injected into the Carrizo-Wilcox aquifer for storage. Stored water is withdrawn to meet municipal demand when restrictions on Edwards Aquifer pumping are in place. Although created for the purpose of securing supplies for SAWS, the H2Oaks project became a centerpiece for regional water management. Storage is used during drought to mitigate impacts on pumping while ensuring minimum springflows needed to protect endangered species in the Edwards aquifer. Currently, the project stores over 176,000 acre-feet of water. This case study traces the development of the H2Oaks project from the passage of the Edwards Aquifer Act to the project's current implementation. The H2Oaks project demonstrates the potential for groundwater recharge projects to store water as protection against drought conditions. It also demonstrates how storage by one entity can support water management needs across the broader community of water users.

The Kern Water Bank is a semi-private groundwater bank operated by the Kern Water Bank Authority in Kern County, CA. The bank stores water from the State Water Project (SWP), Central Valley Project (CVP), and the Kern River. It is massive in scale, covering over 20,000 acres, with approximately 2.5 million acre feet diverted to the bank since 1995. The bank stores water on behalf of its member water agencies, which include both public and private water entities mainly focusing on agricultural use, along with a small number of municipal and residential customers. Water is withdrawn by the member agencies during droughts when surface water supplies from the SWP, CVP, and Kern River are insufficient to meet local demand or when member agencies elect to sell their stored water to outside third parties. In addition, the overlying land and infiltration ponds serve as habitat for some endangered and threatened species. Legal and political controversy surrounded the bank's creation, but its unique suite of physical assets, creative enabling agreements, and clear operational rules and incentives have enabled it to use managed aquifer recharge to make significant contributions to the flexibility of regional and statewide water systems over decades of operations.