24 Multi-Benefit Resources

Portland’s Green Infrastructure: Quantifying the Health, Energy, and Community Livability Benefits

Author: City of Portland Bureau of Environmental Services (2010)
Geography: Western U.S.
Level of Detail: Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Distributed Stormwater Infrastructure, Low impact landscaping, Runoff conveyance

Specific Benefits or Trade-offs: Aesthetics, Air quality, Energy, Energy for wastewater, GHG emissions, Health and safety, Land and environment, People and Community, Recreation

Portland’s Green Infrastructure: Quantifying the Health, Energy, and Community Livability Benefits quantifies the benefits of green infrastructure (GI) initiatives. Using available research and data, the city quantified benefits in energy and described benefits to community livability and health. This report breaks down the benefits by different GI types to show how projects impact each benefit category.

Water LA

Author: The River Project (2018)
Geography: Western U.S.
Level of Detail: Case study, Economic valuation, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Conservation design, Distributed Stormwater Infrastructure, Infiltration or filtration, Low impact landscaping, Runoff conveyance, Runoff storage

Specific Benefits or Trade-offs: Aesthetics, Air quality, Ambient water quality, Carbon sequestration, Community resilience, End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, Flooding, GHG emissions, Habitat and biodiversity, Health and safety, Land and environment, Local economy, People and Community, Recreation, Risk and Resilience, Soil health, Supply augmentation, Total flood volume, Urban heat island, Water quality, Water Supply, Water supply reliability

The 2018 Water LA report by the River Project explores the opportunities for and challenges of building a resilient region by making small, distributed changes to the urban landscape. The report offers a case study from LA where parcel-scale water management projects provide different social, environmental, and economic benefits.

Life cycle based analysis of demands and emissions for residential water-using appliances

Author: Lee & Tansel, (2012)
Geography: U.S.
Level of Detail: Quantitative benefits

Availability: Paywall

Water Management Strategies: Conservation design, Delivery system efficiency, Urban indoor efficiency, Wastewater Treatment, Water Conservation and Efficiency

Specific Benefits or Trade-offs: End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, GHG emissions, Land and environment, People and Community

Life cycle based analysis of demands and emissions for residential water-using appliances focuses on the indirect consumption and environmental impacts from end-use water demand of household appliances. It quantifies the energy and greenhouse gas emissions from three residential water-using appliances using life-cycle analysis.

The Blueprint for Increased Investment in Green Infrastructure

Author: Earth Economics (2018)
Geography: U.S.
Level of Detail: Economic valuation, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Constructed stormwater wetlands, Distributed Stormwater Infrastructure, Floodplain connectivity and rehabilitation, In situ environmental treatment, Infiltration or filtration, Low impact landscaping

Specific Benefits or Trade-offs: Aesthetics, Affordability, Air quality, Ambient water quality, Community resilience, Educational opportunity, Energy for wastewater, Flooding, Habitat and biodiversity, Health and safety, In stream flows, Land and environment, Local economy, Peak flood volume, People and Community, Recreation, Regulatory compliance, Risk and Resilience, System resilience, Total flood volume, Urban heat island, Water quality, Water Supply

The Blueprint for Increased Investment in Green Infrastructure is a comprehensive resource for water managers and other decision makers seeking to start or expand investment in green infrastructure. The Blueprint presents five major cultural and institutional shifts that are required at the municipal level for the grown in green infrastructure. Data, tools, tips, and other resources are also provided.

On Spatially Distributed Hydrologic Ecosystem Services: Bridging the Quantitative Information Gap Using Remote Sensing and Hydrological Models

Author: Simons et al., (2017)
Geography: Outside U.S.
Level of Detail: Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Environmental Remediation, Groundwater Management, Land Management, Surface Water Storage, Wastewater Treatment, Water Reuse, Water Transfer

Specific Benefits or Trade-offs: Aesthetics, Affordability, Air quality, Ambient water quality, Community resilience, Drinking water quality, Educational opportunity, Energy, Energy for wastewater, Energy production, Flooding, Habitat and biodiversity, Health and safety, In stream flows, Land and environment, Local economy, Peak flood volume, People and Community, Recreation, Risk and Resilience, Supply augmentation, System resilience, Total flood volume, Water quality, Water Supply

The white paper, On Spatially Distributed Hydrologic Ecosystem Services, provides an explanation of and use case examples for a hydrologic ecosystem services model. This is a useful resource for quantification of water-related ecosystem services.The model is spatially and temporally designed for basin-scale analyses.

The estimated impact of California’s urban water conservation mandate on electricity consumption and greenhouse gas emissions

Author: Spang, Holguin, & Loge, (2018)
Geography: Western U.S.
Level of Detail: Case study, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Urban indoor efficiency, Urban outdoor efficiency, Water Conservation and Efficiency

Specific Benefits or Trade-offs: End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, GHG emissions, Land and environment

In The estimated impact of California’s urban water conservation mandate on electricity consumption and greenhouse gas emissions, Spang et al. use the reported water conservation data to assess how the water utilities have responded to the 2015 California water reduction mandate and to estimate the electricity savings and greenhouse gas (GHG) emissions reductions associated with reduced operation of urban water infrastructure systems.

Embedded Energy in Water Studies 1, 2 and 3

Author: California Public Utilities Commission (CPUC) (2010)
Geography: Western U.S.
Level of Detail: Case study, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Agricultural efficiency, Brackish desalination, Centralized Stormwater Infrastructure, Centralized wastewater treatment, Commercial or industrial reuse (on-site), Delivery system efficiency, Desalination, Direct potable reuse, Distributed Stormwater Infrastructure, Flood Control, Groundwater extraction, Groundwater Management, Groundwater recharge, Groundwater storage, Indirect potable reuse, Industrial treatment (on-site), Seawater desalination, Surface Water Storage, Urban and industrial nonpotable reuse, Urban indoor efficiency, Urban outdoor efficiency, Wastewater Treatment, Water Conservation and Efficiency, Water Reuse, Water Transfer

Specific Benefits or Trade-offs: End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment

CPUCs Embedded Energy in Water Studies provide a California statewide assessment of energy use by the water sector and energy use by water customers. There are three separate reports, each including supporting appendices and materials, that document methodology, data collection, case studies, and findings of the investigation.

Valuing the Environmental Benefits of Urban Water Conservation: Final Report

Author: Coughlin et al., Lawrence Berkeley National Laboratory, University of California at Berkeley, California Urban Watershed Council (2006)
Geography: U.S.
Level of Detail: Decision support tool, Economic valuation

Availability: Publicly Available

Water Management Strategies: Urban indoor efficiency, Urban outdoor efficiency, Water Conservation and Efficiency

Specific Benefits or Trade-offs: Air quality, Demand reduction, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, Flooding, GHG emissions, Habitat and biodiversity, In stream flows, Land and environment, Local economy, People and Community, Recreation, Water quality, Water Supply

Valuing the Environmental Benefits of Urban Water Conservation Final Report presents a method for valuing the environmental benefits of water conservation and efficiency. Water savings of a particular water conservation strategy are represented by the reduction in water demand, as well as the resulting co-benefits, including enhanced fish habitats, increased recreational opportunities, and improved water quality as a result of wetland filtration. The report provides a methodology for monetizing these environmental benefits so as to provide utilities with a method for comparing the benefits and costs of various best management practices.

An Analysis of the Energy Intensity of Water in California: Providing a Basis for Quantification of Energy Savings from Water System Improvements

Author: Wilkinson et al., (2006)
Geography: Western U.S.
Level of Detail: Decision support tool, Qualitative description

Availability: Publicly Available

Water Management Strategies: Desalination, Water Conservation and Efficiency

Specific Benefits or Trade-offs: Affordability, End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, Local economy, People and Community

An Analysis of the Energy Intensity of Water in California: Providing a Basis for Quantification of Energy Savings from Water System Improvements analyzes water-related energy use in California. The report examines energy inputs to water systems for: 1) primary water extraction, conveyance, and storage, 2) treatment and distribution within service areas, 3) on-site water pumping, treatment, and thermal inputs, and 4) wastewater collection, treatment, and discharge. The report concludes that “with better information regarding the energy implications of water use, public policy and combined investment and management strategies between energy, water, and wastewater agencies and utilities can be improved.” The benefits cited for these energy savings include avoided capital and operating costs, reduced burden on rate-payers, improved distribution of capital, and environmental benefits.

Dams and Development A New Framework for Decision-Making

Author: World Commission on Dams (2000)
Geography: Global
Level of Detail: Qualitative description

Availability: Publicly Available

Water Management Strategies: Surface Water Storage

Specific Benefits or Trade-offs: Air quality, Ambient water quality, Carbon sequestration, Educational opportunity, End use energy, Energy, Energy for wastewater, Flooding, Health and safety, People and Community, Recreation, Risk and Resilience, Supply augmentation, Urban heat island, Water Supply

Dams and Development A New Framework for Decision-Making provides a comprehensive, global evaluation of the impacts of dams on people, the environment, and the economy. The report illustrates that while dams mainly provide benefits such as increased water supply, flood control, and energy generation, they also provide many secondary and tertiary benefits such as food security, employment, skills development, rural electrification, and expansion of civil infrastructure including roads and schools. The report also assesses alternatives to dams for water resource and energy projects. From this evaluation, several main conclusions and recommendations were developed to give to the World Bank, governments, construction, and financing agencies around the world.

The Economic Benefits of Green Infrastructure A Case Study of Lancaster, PA

Author: U.S. EPA (2014)
Geography: Northeastern U.S.
Level of Detail: Case study, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Distributed Stormwater Infrastructure, Infiltration or filtration, Low impact landscaping, Runoff conveyance, Runoff storage

Specific Benefits or Trade-offs: Air quality, Carbon sequestration, Educational opportunity, End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, Flooding, Habitat and biodiversity, Land and environment, Local economy, People and Community, Recreation, Total flood volume, Urban heat island

The Economic Benefits of Green Infrastructure: A Case Study of Lancaster, PA provides an economic valuation of green infrastructure in Lancaster, PA based on the Framework described in CNT’s “The Value of Green Infrastructure: A Guide to Recognizing Its Economic, Environmental and Social Benefits, 2010”. The report provides data requirements and methodologies for evaluation of water-related benefits (avoided capital costs of storage needs, avoided operational costs from wastewater treatment), energy-related benefits (reduced energy use for indoor temperature control), air-quality benefits (smog reduction, including NO2, O3, SO2 and PM10), and climate change-related benefits (CO2 reduction from carbon sequestration, reductions in water and wastewater pumping and treatment, and building energy use). The report also includes a discussion on the additional qualitative benefits including reduced urban heat island effect, increased property value, reduced noise pollution, increased recreational opportunities, habitat improvement, public education, and community cohesion.

Rainwater as a Resource: A Report on Three Sites Demonstrating Sustainable Stormwater Management

Author: TreePeople (2007)
Geography: Western U.S.
Level of Detail: Case study, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Centralized Stormwater Infrastructure, Distributed Stormwater Infrastructure, Drywells, Flood Control, Groundwater Management, Groundwater recharge, Infiltration basins, Infiltration or filtration, Low impact landscaping, Runoff conveyance, Runoff storage

Specific Benefits or Trade-offs: Air quality, Ambient water quality, Carbon sequestration, Educational opportunity, Energy, Energy for wastewater, Flooding, Health and safety, Land and environment, People and Community, Recreation, Secondary energy demand, Supply augmentation, Urban heat island, Water quality, Water Supply

Rainwater as a Resource: A Report on Three Sites Demonstrating Sustainable Stormwater Management (2007) presents three case studies for stormwater management: (1) single-family, parcel sized greening in South Los Angeles, CA, (2) campus greening at Hillery T. Broadous Elementary School in Pacoima, CA, and (3) campus greening at Open Charter Magnet Elementary School in Westchester, CA. The report includes costs and quantified benefits for tree benefits (tree canopy, carbon storage, carbon sequestration, energy savings), stormwater benefits (runoff reduction, avoided storage), and air pollution benefits (ozone, SO2, NO2, PM10, and CO removal). The report also includes a discussion of additional non-quantified benefits including student health and safety, green waste reuse, and green recreation space.

Recognizing the Value of Energy Efficiency’s Multiple Benefits

Author: Russell et al., (2015)
Geography: U.S.
Level of Detail: Economic valuation

Availability: Publicly Available

Water Management Strategies: Delivery system efficiency, Urban indoor efficiency, Water Conservation and Efficiency

Specific Benefits or Trade-offs: Affordability, Air quality, Demand reduction, End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, Extreme events, Health and safety, Land and environment, People and Community, Risk and Resilience, System resilience, Water Supply, Water supply reliability

Recognizing the Value of Energy Efficiency’s Multiple Benefits emphasizes the multiple benefits of improved energy efficiency for the residential, business, and utility sectors. The multiple benefits identified within this report include comfort, health, financial, and risk-abatement. The report argues that these multiple benefits can exceed utility bill savings, and therefore should be included into management decisions, policy decisions, and efficiency programs.

Assessing Location and Scale of Urban Nonpotable Water Reuse Systems for Life-Cycle Energy Consumption and Greenhouse Gas Emissions

Author: Kavvada et al., University of California, Berkeley ReNUWIt (2016)
Geography: Global
Level of Detail: Decision support tool, Quantitative benefits

Availability: Paywall

Water Management Strategies: On site nonpotable reuse, Water Reuse

Specific Benefits or Trade-offs: Air quality, Demand reduction, Energy, Energy for treatment, Energy for wastewater, GHG emissions, Land and environment, Supply augmentation, Water Supply

Assessing Location and Scale of Urban Nonpotable Water Reuse Systems for Life-Cycle Energy Consumption and Greenhouse Gas Emissions examines nonpotable water reuse at different scales to compare centralized and decentralized systems for energy use and greenhouse gas emissions. The article presents a planning and support tool for determining the optimal scale and treatment technology for reuse in different locations and elevations.

Envision V3 User Manual

Author: Institute for Sustainable Infrastructure (2017)
Geography: Global
Level of Detail: Decision support tool

Availability: Publicly Available

Water Management Strategies: Centralized Stormwater Infrastructure, Distributed Stormwater Infrastructure; Wastewater Treatment, Flood Control

Specific Benefits or Trade-offs: Agriculture, Air quality, Ambient water quality, Carbon sequestration, Community resilience, Demand reduction, Drinking water quality, End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, Flooding, Habitat and biodiversity, Health and safety, Land and environment, Local economy, Peak flood volume, People and Community, Recreation, Soil health, System resilience, Total flood volume, Water quality, Water Supply, Water supply reliability

The Envision V3 (Draft Credits for Public Review and Comment) user manual outlines additions to the Envision framework, a sustainability framework that aims to analyze infrastructure projects and promote collaboration on multi-benefit projects in order to improve system synergy. The framework defines co-benefits as services not directly related to the project’s primary function, and identifies five benefit categories: 1) quality of life, 2) leadership, 3) resource allocation, 4) natural world, and 5) climate and risk. Envision V3, launched in late 2017, modifies the final category, instead calling it ‘risk and resilience’.

Techno-economic assessment and environmental impacts of desalination technologies

Author: Mezher et al., (2011)
Geography: Global
Level of Detail: Qualitative description

Availability: Paywall

Water Management Strategies: Brackish desalination, Desalination, Seawater desalination

Specific Benefits or Trade-offs: Air quality, Ambient water quality, Energy, Energy for wastewater, Land and environment, Supply augmentation, Water quality, Water Supply

Techno-economic assessment and environmental impacts of desalination technologies provides a review of desalination technologies, including energy requirements, water production costs, technological growth trends, environmental impacts, and possible technological improvements. The report also provides desalination policies from major desalination users, including Saudi Arabia, United States, Spain, China, Kuwait, and United Arab Emirates.

Greenhouse Gas and Energy Co-Benefits of Water Conservation

Author: Maas, Polis Project (2009)
Geography: Global
Level of Detail: Decision support tool, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Urban indoor efficiency, Urban outdoor efficiency, Water Conservation and Efficiency

Specific Benefits or Trade-offs: Demand reduction, End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, GHG emissions, Water Supply

Greenhouse Gas and Energy Co-Benefits of Water Conservation examines the multiple benefits that are produced from the “water-energy nexus”. The benefits include indirect energy savings from municipal water and wastewater provision, indirect and direct energy use, and embedded energy for chemical manufacturing. The report includes example case studies conducted on various scales (program, municipal, provincial, and community levels), as well as provides methodologies for the quantification of the cited energy benefits.

Envision Framework

Author: Institute for Sustainable Infrastructure (N/A)
Geography: Global
Level of Detail: Decision support tool

Availability: Publicly Available

Water Management Strategies: Centralized Stormwater Infrastructure, Distributed Stormwater Infrastructure; Wastewater Treatment, Flood Control

Envision is a framework that provides the guidance needed to initiate this systemic change in the planning, design and delivery of sustainable and resilient infrastructure. Envision is a decision-making guide, not a set of prescriptive measures. Envision provides industry-wide sustainability metrics for all types and sizes of infrastructure to help users assess and measure the extent to which their project contributes to conditions of sustainability across the full range of social, economic, and environmental indicators.

Implications of Future Water Supply Sources for Energy Demands

Author: Cooley & Wilkinson, Pacific Institute, WateReuse Research Foundation (2012)
Geography: Western U.S.
Level of Detail: Decision support tool, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Centralized wastewater treatment, Delivery system efficiency, Groundwater extraction, Groundwater Management, Groundwater recharge, Groundwater storage, Indirect potable reuse, On site nonpotable reuse, Wastewater Treatment, Water Conservation and Efficiency, Water Reuse, Water Transfer

Specific Benefits or Trade-offs: End use energy, Energy, Energy for wastewater, Energy for water extraction, Energy for water treatment, GHG emissions

Implications of Future Water Supply Sources for Energy Demands describes the Water-Energy Simulator (WESim), an easy-to-use analytical tool for evaluating the energy and greenhouse gas (GHG) implications of water management decisions. In this report, energy is considered for (1) source water extraction, (2) water conveyance, (3) water treatment, (4) water distribution, (5) wastewater collection, and (6) wastewater treatment. WESim can include commercial and residential end uses of water and energy requirements for end uses. The report includes case studies utilizing WESim by the Santa Clara Valley Water District and Denver Water.

Systemic solutions for multi-benefit water and environmental management

Author: Everard & McInnes, (2013)
Geography: Outside U.S.
Level of Detail: Qualitative description

Availability: Paywall

Water Management Strategies: Agricultural flooding, Centralized Stormwater Infrastructure, Conservation design, Constructed stormwater wetlands, Distributed Stormwater Infrastructure, Flood Control, Infiltration or filtration, Land Management, Low impact landscaping, Runoff conveyance, Runoff storage

Specific Benefits or Trade-offs: Agriculture, Ambient water quality, Carbon sequestration, Energy, Energy for wastewater, Flooding, Habitat and biodiversity, Land and environment, Peak flood volume, People and Community, Recreation, Total flood volume, Water quality

Systemic solutions for multi-benefit water and environmental management provides an academic, theoretical critique on the evaluation of multi-benefit systems. The report comprises case studies of successful green infrastructure projects, including constructed wetlands, urban ecosystem technologies, agricultural washlands, and integrated constructed wetlands.

The Value of Green Infrastructure: A Guide to Recognizing Its Economic, Environmental and Social Benefits

Author: Center for Neighborhood Technology, American Rivers (2010)
Geography: U.S.
Level of Detail: Decision support tool, Quantitative benefits

Availability: Publicly Available

Water Management Strategies: Conservation design, Distributed Stormwater Infrastructure, Infiltration or filtration, Low impact landscaping, Runoff conveyance, Runoff storage

Specific Benefits or Trade-offs: Aesthetics, Air quality, Ambient water quality, Carbon sequestration, Community resilience, Demand reduction, Drinking water quality, Educational opportunity, End use energy, Energy, Energy for wastewater, Flooding, Habitat and biodiversity, Land and environment, Peak flood volume, People and Community, Recreation, Supply augmentation, Total flood volume, Urban heat island, Water quality, Water Supply

The Value of Green Infrastructure: A Guide to Recognizing Its Economic, Environmental and Social Benefits is an in-depth framework for evaluating the multiple benefits of green infrastructure projects, including green roofs, tree planting, bioretention and infiltration, permeable pavement, and water harvesting. The framework provides methodologies for valuation of water, energy, air quality, and climate change-related benefits, as well as a qualitative discussion on community livability and public education benefits.

Banking on Green: A Look at How Green Infrastructure Can Save Municipalities Money and Provide Economic Benefits Community-wide

Author: American Rivers, the Water Environment Federation, the American Society of Landscape Architects, ECONorthwest (2012)
Geography: U.S.
Level of Detail: Qualitative description

Availability: Publicly Available

Water Management Strategies: Conservation design, Distributed Stormwater Infrastructure, Infiltration or filtration, Low impact landscaping, Runoff conveyance, Runoff storage

Specific Benefits or Trade-offs: Aesthetics, Air quality, Demand reduction, Energy, Energy for wastewater, Extreme events, Flooding, Health and safety, Land and environment, Local economy, Peak flood volume, People and Community, Recreation, Risk and Resilience, System resilience, Urban heat island, Water quality, Water Supply, Water supply reliability

Banking on Green provides a business case for green infrastructure practices in the United States. Benefits cited within the report include reduced stormwater runoff, reduced energy costs, reduced impacts of flooding, improvements in public health, and reduced infrastructure costs. Within the report, it is argued that green infrastructure can blend seamlessly with traditional grey infrastructure, and make communities more resilient in the face of extreme events and climate change. The report provides case studies of successful green infrastructure projects across the United States, and a qualitative discussion on the multiple benefits.

Living Streets Economic Feasibility Project: Final Report

Author: Abdullah & Blyth, Heal the Bay, Climate Resolve, GreenLA Coalition (2016)
Geography: Western U.S.
Level of Detail: Case study, Economic valuation

Availability: Publicly Available

Water Management Strategies: Conservation design, Distributed Stormwater Infrastructure, Infiltration or filtration, Low impact landscaping, Runoff conveyance, Runoff storage

Specific Benefits or Trade-offs: Aesthetics, Affordability, Air quality, Ambient water quality, Carbon sequestration, Demand reduction, Energy, Energy for wastewater, Flooding, Habitat and biodiversity, Health and safety, Land and environment, Local economy, People and Community, Recreation, Regulatory compliance, Reputation, Risk and Resilience, Soil health, Supply augmentation, System resilience, Urban heat island, Water quality, Water Supply, Water supply reliability

Living Streets Economic Feasibility Report presents an alternate, new paradigm to guide the future of street and sidewalk infrastructure design and creation for Los Angeles. The term they use for this new paradigm is “Living Streets”, and it incorporates green infrastructure and stormwater capture within street design to improve air quality, water quantity and quality, flooding, human health, and aesthetics within urban regions. The report presents the costs and benefits of Living Streets, and compares them to the costs and benefits of continuing with business as usual, as well as against what they call “Green Streets,” “Cool Streets,” and “Complete Streets.”

Adapting to Change: Utility Systems and Declining Flows

Author: California Urban Water Agencies (2017)
Geography: Western U.S.
Level of Detail: Qualitative description

Availability: Publicly Available

Water Management Strategies: Centralized Stormwater Infrastructure, Centralized wastewater treatment, Direct potable reuse, Flood Control, Groundwater Management, Groundwater recharge, On site nonpotable reuse, Storm drains and pipes, Urban and industrial nonpotable reuse, Urban indoor efficiency, Urban outdoor efficiency, Wastewater Treatment, Water Conservation and Efficiency, Water Reuse

Specific Benefits or Trade-offs: Ambient water quality, Demand reduction, Drinking water quality, Energy, Energy for wastewater, Extreme events, In stream flows, Land and environment, Regulatory compliance, Resource recovery, Risk and Resilience, System resilience, Water Supply, Water supply reliability

Adapting to Change: Utility Systems and Declining Flows explores the consequences of reduced indoor flows related to conservation on urban water supply systems in California. The report illustrates that demand management through water use efficiency can have many co-benefits including improved drought resilience, improved in-stream flows, reduced or deferred cost of infrastructure, and reduced energy costs; declining flows, however, can negatively impact water distribution, conveyance, wastewater treatment, and recycled water policy. Specific examples and details are presented within the report, including survey and interview data.