Showing 380 of 2206 results found for "water management"

Historic 2023 Water Year Delivered Big Boost to California’s Groundwater Supplies

DWR released the latest Semi-Annual Groundwater Conditions report, and the data show that California achieved 4.1 million acre-feet of managed groundwater recha ...

Cloudy Water, Clear Decision: Using Science to Protect Fish and Water Supply

When the first major storms of the season arrive in California, they bring more than just water. Those early storms trigger what is known as “first flush,” a sh ...

Regulation Rulemaking on the Model Water Efficient Landscape Ordinance (MWELO)

The Department of Water Resources has published rulemaking documents for a supplemental 15-day comment period for the proposed amendments to the MWELO. The writ ...

Notice of Certification for the Final Supplemental Environmental Impact Report for the Pulse Flows Component of the Water Storage Investment Program Groundwater Projects

The California Department of Water Resources (DWR), in compliance with the California Environmental Quality Act (CEQA), has certified the Final Supplemental En ...

Notice of Preparation: Environmental Impact Report for the State Water Project Delta Field Division Operations and Maintenance Habitat Conservation Plan

Notice is hereby given that, pursuant to the California Environmental Quality Act, the California Department of Water Resources will initiate the preparation of ...

Notice of Preparation: Environmental Impact Report for the State Water Project San Joaquin Field Division Operations and Maintenance Habitat Conservation Plan

Notice is hereby given that, pursuant to the California Environmental Quality Act, the California Department of Water Resources will initiate preparation of an ...

Draft Funding Recommendation Water Desalination Grant Program

The Department of Water Resources’ (DWR) Water Desalination Grant Program has completed reviewing the grant applications submitted through the Continuous Applic ...

Notice of Preparation of an EIR and Scoping Meeting for the Long-Term Operations of the California State Water Project

The California Department of Water Resources will prepare an Environmental Impact Report for the long-term operations of the State Water Project facilities in t ...

Regulation Rulemaking on the Model Water Efficient Landscape Ordinance (MWELO) - 2023

The Department of Water Resources has published rulemaking documents for proposed amendments to the Model Water Efficient Landscape Ordinance. A written comment ...

Notice of Preparation of an Environmental Impact Report and Scoping Meeting for the Petition Requesting an Extension of Time to More Fully Exercise Conditional Water Rights for Operation of the State Water Project

Notice of Preparation of an Environmental Impact Report for the California Department of Water Resources’ Petition to the State Water Resources Control Board fo ...

‘Extreme Weather’ Focus of DWR Climate Change Summit

“Mother nature is changing fast, and we need to change along with her,” California Natural Resources Agency Secretary Wade Crowfoot told an audience of climate ...

State Report Identifies Future Desalination Plants to Meet Statewide Water Reliability Goals

As California continues to adapt to the impacts of a changing climate, the State must work to identify future sources of safe, reliable water for all. This week ...

State Water Project Allocation Increases Heading into Summer Months

Department of Water Resources (DWR) announced an increase to the State Water Project (SWP) allocation for 2026. The allocation is now 45 percent of requested su ...

IDC: Integrated Water Flow Model Demand Calculator

Our Integrated Water Flow Model Demand Calculator (IDC) is a computer program used for calculating agricultural and urban water demands at a river basin. Agricu ...

WRIMS: Water Resource Integrated Modeling System

Our Water Resource Integrated Modeling System (WRIMS model engine or WRIMS) (formally named CALSIM) is a generalized water resources modeling system for evaluat ...

Water Quality Monitoring

DWR has conducted water quality monitoring for the California State Water Project since 1968.

Water Basics

Water in California is a complex topic. Managing water resources sustainably requires an integrated approach, as water flows across many lines and impacts every ...

Alternative Water Supplies

Traditionally, California’s water supply comes from surface water (rivers and lakes) and from groundwater. But increasingly, we are looking to other sources for ...

Water Safety Materials

Thank you for your interest in educating your students on the importance of water. To help you develop classroom curriculum, the Department of Water Resources ...

State Water Project Allocation Increases as Winter Runoff Flows into California's Reservoirs

As snow begins to melt in the mountains and make its way to California reservoirs, the Department of Water Resources (DWR) today announced an increase to the St ...

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