Department of Water Resources California – DWR Contact, Programs, Water Data, Floods & State Water Project

Updated 2026 • Official CA.gov and DWR links reviewed

Department of Water Resources California: DWR Contact, State Water Project, Floods, Water Data and Programs

The California Department of Water Resources is a state agency, not a local water bill office. Use DWR for statewide water resources, State Water Project information, flood and drought resources, groundwater, dam safety, water data, grants, public records, education and public information. For a city water bill, start with your local city, county, water district or private utility instead.

916-653-5791DWR Headquarters
715 P StreetSacramento headquarters
800-952-5530Flood information line
27MCalifornians served by SWP
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State agency

DWR manages and protects California’s water resources, systems and infrastructure at the state level.

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Not local billing

DWR usually does not handle household city water bills. Local providers handle customer billing.

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State Water Project

DWR operates the State Water Project, a major water storage and delivery system across California.

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Flood info

DWR lists flood incident and river forecast contact routes for statewide flood information.

Main Official California Department of Water Resources Links

Editorial trust note: This guide uses official California Department of Water Resources, CA.gov, DWR Contact, What We Do, Programs, State Water Project, Flood Management and Divisions & Offices pages.
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Important distinction: DWR is a California state water agency. It is not the same as California Water Service, Los Angeles DWP, a city water department, a county public works utility or a local water district.

Contact details

California Department of Water Resources Contact, Phone Number, Address and Hours

Use these official DWR contact details for state water resources questions, public information, records, accessibility, flood information and statewide water program routing.

Contact needOfficial detailBest use
DWR Headquarters phone916-653-5791General DWR headquarters routing and state water agency contact.
Street addressCalifornia Department of Water Resources, 715 P Street, Sacramento, CA 95814Headquarters location and map reference.
Mailing addressCalifornia Department of Water Resources, P.O. Box 942836, Sacramento, CA 94236-0001Mailing official correspondence to DWR.
Headquarters hoursMonday through Friday, 8:30 AM to 4:30 PM; closed on state holidays.Planning a call, delivery or contact during business hours.
Public Affairs916-653-1074 / media@water.ca.govNews media, organizations and public information about DWR programs.
Public RecordsUse DWR’s Public Records Request Portal; Office of General Counsel phone 916-902-7156.Public Records Act requests and official document access.
Accessibilityaccessibility@water.ca.gov / 916-653-6192Website or document accessibility support.

Map shows California Department of Water Resources headquarters at 715 P Street, Sacramento, CA 95814. For official contact, use the DWR Contact page.

Local bill warning

Does California DWR Handle My Water Bill?

Usually, no. The California Department of Water Resources is a state water resource and infrastructure agency. If you are trying to pay a household water bill, start with your local provider.

Your needCorrect place to startWhy
Pay home water billCity water department, local water district, county utility or private water company.Local utilities bill customers directly.
Start/stop home water serviceLocal water provider serving your service address.DWR does not open or close most residential water accounts.
Report local pipe leakCity 311, local public works or your water district emergency number.Local crews handle local mains, meters and service lines.
Statewide water conditionsCalifornia Water Watch and DWR data resources.DWR publishes state and regional water information.
Flood, dam, groundwater or SWP issueDWR official program pages and contact routes.These are state-level DWR responsibilities.
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Billing tip: If your bill says “Cal Water,” “LADWP,” “East Bay MUD,” “City of Fresno,” “City of San Diego,” or another provider name, contact that provider instead of California DWR.
DWR programs

What the California Department of Water Resources Does

DWR manages California’s water resources, systems and infrastructure, including the State Water Project. The agency’s responsibilities include floods, droughts, science, public education, infrastructure, power generation, dam safety, groundwater and water use efficiency.

Water Storage & Supply

DWR operates and maintains the State Water Project and supports sustainable groundwater management.

Flood and emergency management

DWR helps protect life and property from catastrophic events such as flood, drought, dam or levee failure.

Water use and efficiency

DWR assists agencies and individuals with agricultural and urban water conservation.

Dam safety

DWR engineers and engineering geologists review dam plans and oversee dam construction compliance through dam safety programs.

Groundwater management

DWR supports sustainable management of California’s underground water reserves.

Grants, data and education

DWR publishes water information, manages public resources and offers grant and loan programs for integrated water management activities.

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Best starting page: Use DWR’s Programs page when you are not sure whether your issue belongs under State Water Project, flood management, groundwater, dam safety, climate, grants, water use efficiency or public education.
State Water Project

California State Water Project: What It Is and Why It Matters

The State Water Project is one of the most important water infrastructure systems in California. DWR describes it as a multi-purpose water storage and delivery system with reservoirs, aqueducts, power and pumping plants, and recreational facilities.

SWP factOfficial detailWhy it matters
System lengthThe SWP extends more than 705 miles.It connects water storage and delivery across a large part of California.
People servedDWR says it delivers clean water to 27 million Californians.Many cities and regions depend indirectly on SWP supplies.
Farmland servedDWR says it serves 750,000 acres of farmland.It supports agriculture as well as municipal and industrial uses.
Primary benefitsWater supply delivery and flood control, plus power generation, recreation and environmental stewardship.The SWP is more than an aqueduct; it is a statewide water, power, flood and recreation asset.
Climate planningDWR describes adaptation planning for hotter, more extreme future conditions.Future drought, flood, wildfire and climate risks affect water reliability.
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Important note: Even if your local water provider receives some imported water connected to the State Water Project, your customer bill still usually comes from your local city, water district or private utility.
Water data and public tools

California Water Data, Water Conditions, Drought Resources and Conservation Tools

If you want water conditions, reservoir information, drought context or conservation advice, use official DWR and state-linked public tools instead of random summaries.

NeedOfficial resourceUse it for
Current water conditionsCalifornia Water WatchStatewide and local water conditions down to region and neighborhood level.
Conservation adviceSave Our WaterIndoor and outdoor water-saving tips for California households.
DWR reports and publicationsDWR Library and document resourcesReports, publications, modeling resources, educational materials and public forms.
Flood conditionsFlood Management and Flood Operations CenterRiver forecasts, flood information and flood incident reporting contacts.
SWP reservoir and aqueduct informationState Water Project page and DWR data linksSWP maps, facility details and preliminary reservoir/aqueduct flow data references.
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Research tip: For serious water research, start with DWR’s own pages, California Water Watch, DWR document library and official data portals. Always check the date and whether data is preliminary.
Emergency and reporting

California DWR Emergency Contacts: Floods, State Water Project and Hazardous Incidents

DWR’s Contact page lists different emergency contact routes depending on the issue. Use the correct line so your report reaches the right team.

Emergency or urgent needOfficial routeUse this when
Flood incident reporting916-574-2619You need to report a flood incident to the DWR Flood Operations Center.
River forecasts / flood information800-952-5530You need river forecasts, general water conditions or flood information.
State Water Project facility incident916-574-2714The incident or emergency is related to SWP facilities.
Hazardous materials / spills916-845-8911Reporting incidents to the Governor’s Office of Emergency Services State Warning Center.
Local water leak / broken water mainYour local city, county, 311, water district or utility emergency line.The issue is a neighborhood pipe, meter, local main, sewer or street water leak.
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Emergency routing tip: DWR emergency numbers are for state-level water, flood and SWP-related incidents. For local streets, meters, service lines, hydrants or neighborhood leaks, call your local utility or 311 first.
Records, jobs and working with DWR

DWR Public Records, Careers, Grants, Procurement and Work-With-Us Resources

DWR is also a major state agency for public information, technical work, contracts, grants, real estate, procurement, careers and public records.

Public Records Act requests

DWR directs records requests to its Public Records Request Portal. The Office of General Counsel can be reached at 916-902-7156 for additional information.

Careers

DWR lists job opportunities in areas such as engineering, engineering geology, environmental science, fiscal, legal, information technology, communications and more.

Grants and loans

DWR offers grant and loan programs that support integrated water management and regional water solutions.

Procurement

DWR contracts for goods and services through official procurement processes and public notices.

Real estate

DWR’s real estate work supports temporary and permanent land rights connected to agency business goals and infrastructure needs.

Education and outreach

DWR provides education resources, publications, videos and public information about California water issues.

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Records tip: Public records requests should describe the document, date range, program, facility, project name, location and any known report title as clearly as possible.
Divisions and offices

DWR Divisions, Offices, Field Divisions and Regional Offices

DWR is a large state agency. Its Divisions & Offices page says it has approximately 3,500 employees, 11 main divisions, 8 main offices, 5 field divisions, 4 regional offices and more than 800 programs, branches, sections and offices.

DWR structureExamples or official detailWhy it helps
Main divisionsIncludes program, engineering, environmental, safety, fiscal and other major operational divisions.Helps route technical or program-specific questions.
Field divisionsOroville, Delta, San Luis, San Joaquin and Southern.Useful when your question relates to SWP facilities or regional operations.
Regional officesSouthern, South Central, Northern and North Central.Helpful for regional water management questions.
Bay-Delta OfficeWorks on Sacramento-San Joaquin Delta water quality, supply reliability and ecosystem actions.Important for Delta-related planning, modeling and regulatory questions.
Division of EngineeringWorks on dams, reservoirs, bridges, canals, tunnels, pipelines, roads, pumping and powerplants.Relevant for infrastructure and engineering questions.
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Routing tip: If your question is technical, include the program name, project name, county, facility, data product or report title when contacting DWR.
Avoid mistakes

Common Mistakes When Searching for “Department of Water Resources California”

Many users search this phrase while trying to solve different problems. The fastest answer depends on whether you need state water information, a local bill, emergency reporting, public records, a job, grant funding or water data.

MistakeWhy it creates confusionBetter action
Trying to pay a local water bill at DWRDWR does not usually bill household customers.Find the local city, county, water district or private utility printed on your bill.
Confusing DWR with Cal WaterCalifornia Water Service is a private water utility; DWR is a state agency.Use the exact provider name on your water bill.
Using unofficial data summariesWater data can be preliminary, technical or date-sensitive.Use DWR pages, California Water Watch and official DWR data portals.
Calling DWR for a neighborhood leakLocal leaks are usually handled by local utilities or public works crews.Call your city 311, water district or local emergency water number.
Submitting vague public records requestsBroad requests can take longer and may be harder to process.Include project, date range, facility, county, report name and document type.
Best habit: Save water.ca.gov, the DWR Contact page, California Water Watch, Flood Management and your local water utility contact separately. They solve different water problems.
Most searched FAQs

Department of Water Resources California FAQs

These answers cover common searches about California DWR phone number, headquarters, programs, State Water Project, water data, flood reporting, public records, jobs and local water billing confusion.

QWhat is the California Department of Water Resources?

The California Department of Water Resources, also called DWR, is the state agency responsible for managing and protecting California’s water resources, systems and infrastructure.

QWhat is the official California DWR website?

The official website is water.ca.gov.

QWhat is the California Department of Water Resources phone number?

DWR Headquarters lists 916-653-5791 as the main phone number.

QWhere is California DWR headquarters?

DWR headquarters street address is California Department of Water Resources, 715 P Street, Sacramento, CA 95814.

QWhat is the DWR mailing address?

The mailing address is California Department of Water Resources, P.O. Box 942836, Sacramento, CA 94236-0001.

QWhat are DWR headquarters hours?

The DWR Contact page lists Monday through Friday, 8:30 AM to 4:30 PM, with closure on state holidays.

QDoes DWR handle my city water bill?

Usually no. DWR is a state water resources agency. Local water bills are normally handled by your city, county, water district or private utility.

QWhat does California DWR do?

DWR manages water resources, systems and infrastructure, including the State Water Project. It also works on flood and drought response, dam safety, groundwater, water use efficiency, science, education, infrastructure, power and grants.

QWhat is the State Water Project?

The State Water Project is a multi-purpose water storage and delivery system operated by DWR. It includes reservoirs, aqueducts, pipelines, power and pumping plants, and recreational facilities.

QHow many people does the State Water Project serve?

DWR says the State Water Project delivers clean water to 27 million Californians and 750,000 acres of farmland.

QWho do I call to report a flood incident to DWR?

DWR lists 916-574-2619 for flood incident reporting.

QWhat number provides California river forecasts and flood information?

DWR lists 800-952-5530 for river forecasts, general water conditions and flood information.

QWho do I call for a State Water Project facility emergency?

DWR lists 916-574-2714 for incidents and emergencies related to State Water Project facilities.

QWhere can I find California water conditions?

Use California Water Watch for current local and statewide water conditions.

QWhere can I find California water conservation tips?

Use Save Our Water, a statewide water conservation program linked from CA.gov.

QHow do I submit a DWR public records request?

DWR directs users to its Public Records Request Portal from the Contact page. For additional information, the Office of General Counsel can be reached at 916-902-7156.

QHow do I contact DWR Public Affairs?

DWR Public Affairs can be reached at 916-653-1074 or media@water.ca.gov.

QWhere can I find DWR jobs?

Use the official DWR Careers page and California state career resources for current job openings.

QIs Water-Department.org the official California DWR website?

No. This is an independent guide. Official information, contacts, public records, data, program details and emergency routes must be confirmed through water.ca.gov and official California state resources.

Official source table

Official Sources for California Department of Water Resources

Use these official sources for final confirmation before contacting DWR, researching California water conditions, reporting a flood incident, requesting records or looking for State Water Project information.

Official sourceUse it forOpen
California Department of Water ResourcesMain official DWR website, programs, news, notices, library, portals, education and water resources.Open DWR
DWR ContactHeadquarters address, phone, hours, Public Affairs, public records, emergency contacts and accessibility help.Open contact page
CA.gov DWR Department PageOfficial state directory listing, DWR description, phone, email and public services.Open CA.gov page
What We DoDWR responsibilities including floods, droughts, science, education, infrastructure, power and public safety.Open What We Do
ProgramsState Water Project, Bay Delta, California Water Plan, dam safety, flood management, groundwater and water use efficiency.Open programs
State Water ProjectSWP system details, benefits, operations, climate planning, maps and water delivery context.Open SWP page
Flood ManagementFlood incident reporting, river forecasts, flood data, planning, projects and flood resources.Open flood management
Divisions & OfficesAgency structure, divisions, offices, field divisions, regional offices and program routing.Open divisions
CareersDWR job opportunities, classifications and state career information.Open careers
Work With UsCareers, real estate, procurement, grants, loans and working with DWR.Open Work With Us
California Water WatchCurrent local and statewide water conditions.Open Water Watch
Save Our WaterCalifornia household water conservation tips and public conservation campaign resources.Open Save Our Water
Final takeaway: Use DWR for statewide California water resources, State Water Project, flood, drought, dam safety, groundwater, data, records, grants and public education. Use your local city, county, water district or private utility for household water bills, local service start/stop, meter issues and neighborhood leaks.
Free Water Bill & Utility Service Assistant

Pay Smarter, Check High Bills, Start Service, Avoid Shutoff and Find Official Water Department Links

Use this free tool before paying a water bill, setting up autopay, starting or stopping service, checking a high bill, requesting leak help, or looking for the official water department portal. It gives practical next steps without collecting your account number or personal details.

Start Water Bill Helper
8 toolsBill pay, high bill check, leak checklist, start/stop service, assistance and official searches.
All utilitiesWorks sitewide for city, county, parish, authority and private water utility pages.
No loginNo account number, email, service address or payment data is required.
Mobile-firstBuilt for customers searching from a phone while trying to solve a bill or service issue.

What water bill or service problem do you need to solve?

Choose your situation. The tool will suggest the safest next step, what to prepare, and which official page to check first.

Payment safety tip

Start from the official water department, city, county or utility website before entering account details. Avoid random payment ads and look-alike bill pay sites.

High bill tip

Before paying a very unusual bill, check meter reads, toilet leaks, irrigation use, estimated bills, late fees, and whether your utility offers a leak adjustment.

Water Bill Payment Route Helper

Choose how you want to pay. The tool will tell you what to prepare and the safest payment path.

High Water Bill Checker

Compare your normal bill with the new bill and get a practical investigation path before calling customer service.

Use gallons, CCF, HCF or units shown on your bill.

Leak Check and Adjustment Checklist

Use this before requesting a leak adjustment, disputing a bill, or calling the water department about high usage.

Start, Stop or Transfer Water Service Helper

Use this before moving, opening a new account, closing an old account, or transferring service to another address.

Past Due, Shutoff and Reconnection Helper

Use this if your account is late, disconnected, at risk of shutoff, or you need a payment plan or assistance program.

Simple Water Usage Cost Estimator

Estimate a rough bill from base charge, usage units, rate per unit, sewer charge, stormwater fee and service fees. Official tiered rates may be different.

Example: if usage is gallons, enter cost per gallon.

Official Water Department Resource Finder

Enter city/utility and state to create safe searches for the official water bill portal, phone number, outage page, assistance, start service, leak adjustment, and Water-Department.org guide.

Water Department vs Payment Processor

  • Water department: account help, service start/stop, leaks, repairs, shutoff, assistance.
  • Payment processor: card/eCheck payment screen, payment fee, confirmation number, posting time.

Best sitewide placement

Add this tool after the main payment section or before FAQs. It helps users solve the next problem after reading the article.

Important safety note

This tool gives educational guidance only. Always confirm payment portals, phone numbers, account balance, assistance rules and reconnection steps with the official water department or utility.

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