Skip to Main Content
×
Saving your location allows us to provide you with more relevant information.
Set Location
Share:
About
Contact
Current Conditions
Settings
×
Default
High Contrast
Reset
Increase Font Size
Font
Decrease Font Size
Font
Menu
Contact
Search
Search this site:
Search
×
Home
Home
Water Basics
Agriculture
California is an agricultural leader, and it depends on irrigation.
The California Water System
Our water system is a complex relationship between nature and manmade structures that move water.
Climate Change Basics
Climate change can have a profound impact on California’s water resources.
Conservation Tips
Water conservation is part of the California lifestyle.
The Delta
The Sacramento-San Joaquin Delta is the heart of California’s water system.
Drought
Drought is a reoccurring feature of California’s climate.
Environment
California's unique geography and climate foster a diverse ecosystem that relies on water.
Flood
California is prone to periodic, and sometimes severe, floods.
Groundwater
The water stored beneath our feet is an important water supply source in California.
Glossary
Find definitions of key terms and concepts related to our work.
What We Do
Dam Safety
We provide oversight to the design, construction, and maintenance of over 1,200 dams in California.
Education
We provide resources for teachers and other Californians to learn about the complex world of water.
Emergency Management
We protect life and property from catastrophic events such as flood, drought, and infrastructure fai ...
Flood Preparedness
We work with communities and emergency responders to prepare for flood season.
Infrastructure
We construct, maintain and ensure the safety of a many water infrastructure facilities.
Power
The SWP is the fourth largest producer of energy in the state.
Recreation
The SWP provides extensive recreational activities at and around its reservoirs.
Science
Science is integral to our policy and management decisions.
Sustainability
Our work aims to protect natural ecosystems’ abilities to meet the needs of future generations.
Water Storage & Supply
We operate and maintain the State Water Project and support sustainable groundwater management.
Programs
All Programs
Learn more about our other programs and projects that help sustainably manage California’s water res ...
Bay Delta
Our work in the Sacramento-San Joaquin Delta aims to improve ecosystems and water quality, supply, r ...
California Water Plan
We provide a collaborative planning framework to make informed decisions for our water future.
Division of Safety Dams
DSOD regulates more than 1200 dams to prevent failure, safeguard life, and protect property.
Engineering & Construction
We provide engineering, geology, real estate, and geodetic services for an array of water infrastruc ...
Environmental Services
We conduct scientific and environmental analysis to help protect and restore the environment.
Flood Management
Our work in statewide flood forecasting and flood operations help reduce flood risk.
Groundwater Management
We support the sustainable management of California’s underground water reserves.
Integrated Regional Water Management
We work with regional water managers to implement solutions that increase regional self-reliance.
State Water Project
This water storage and delivery system provides water to almost 27 million Californians and 750,000 ...
Water Use & Efficiency
We assist agencies and individuals with agricultural and urban water conservation.
Climate Change
Managing climate change and its impact of water supply is one of DWR’s core values.
Work with Us
Careers
Join us for a rewarding career ensuring the sustainability of California's water resources.
Grants & Loans
We offer a number of grant and loan programs that support integrated water management activities.
Real Estate
We acquire temporary and permanent land rights to support our mission.
Procurement
We contract for goods and services through our procurement process.
Technical Assistance
We provide technical guidance, assistance, and resources through 4 regional offices.
Tribal Policy
We are committed to open, inclusive, and regular communication with tribal governments, communities.
News
Current Conditions
We provide real-time hydrologic information, including reservoir and river conditions.
DWR Updates
Find feature stories, program updates, videos, and more.
Events
View upcoming and past DWR events
News Releases
View our news releases for the latest information on our work and projects.
Public Notices
Find notices on public hearings, intent to award contracts and grants, and purchases.
Library
Documents
View DWR reports and publications in our document library.
Educational Materials
We provide educational publications to view, download, and order.
Modeling & Analysis
We develop and maintain a number of state-of-the-art models and analytical tools.
Other DWR Portals
DWR maintains several additional web portals containing data and maps. These portals remains unchang ...
Photos
Pixel – our web-based photo gallery – features free downloadable images of California’s natural reso ...
Public Forms
We provide an access point to DWR Public forms. The Directory contains links to electronic versions ...
Videos
View our YouTube channel for videos featuring our projects, facilities, and latest news.
Search
Search Results
Search:
Search
Content
Documents
Loading
Showing 700 of 1142 results found for "Oroville Biological Opinions"
Sort By:
Relevance
Alphabetical: (A-Z)
Alphabetical: (Z-A)
Published Date: Ascending
Published Date: Descending
PDF File
TUCO_Condition 9_Operational Outlook _8_28_2023
| (Published Date: August 31, 2023)
PDF File
2021 Observed Data & Operations Outlook - June
| (Published Date: July 15, 2021)
PDF File
2021 Observed Data & Operations Outlook - August
| (Published Date: August 28, 2021)
PDF File
CVP and SWP Drought PlanUpdate Sept 2021
| (Published Date: September 27, 2021)
PDF File
2022 Operations Outlook for April
| (Published Date: May 11, 2022)
PDF File
2022 Operations Outlook – June
| (Published Date: June 30, 2022)
PDF File
TUCO_Condition5_Hydrology_Compliance_Sheet 7_15_2022
| (Published Date: July 21, 2022)
PDF File
2022 Operations Outlook Based on May Projections
| (Published Date: May 31, 2022)
PDF File
2022 Operation Outlook August 2022
| (Published Date: August 29, 2022)
PDF File
TUCO_Condition 9_Operational Outlook 5_26_2023
| (Published Date: May 31, 2023)
PDF File
July 2022 Operations Outlook
| (Published Date: August 1, 2022)
PDF File
TUCO_Condition 9_Operational Outlook 4_28_2023
| (Published Date: May 1, 2023)
PDF File
Drought Brochure 2021
| (Published Date: March 12, 2021)
PDF File
Water Year 2022 Brochure
| (Published Date: October 13, 2022)
PDF File
G Ranch Attachment A
| (Published Date: June 9, 2023)
PDF File
Urban Community Drought Relief Agreement Template
| (Published Date: August 16, 2022)
PDF File
202308 ESRRFJLBC Progress Report FINAL 003
| (Published Date: September 8, 2023)
PDF File
award-list_sgma_r2_final_list_sept2023_w_components_v2
| (Published Date: September 12, 2023)
PDF File
Full Audit Salton Sea Restoration Fund 2013
| (Published Date: October 20, 2020)
PDF File
California Aqueduct - San Luis Canal Geotechnical Investigations Project (July 2021)
| (Published Date: July 9, 2021)
« Previous
1
...
34
35
36
...
58
Next »
Filters
Topics:
Tribal
Education
Flood Planning
Integrated Regional Water Management (IRWM)
Climate Change
Applications
Flood Management
Drought
Dam Safety
California Water Plan
Water Use and Efficiency
Sustainability
Delta Conveyance
Grants and Loans
Environmental Services
Groundwater Management
Delta
Engineering and Construction
About DWR
Snowpack
Oroville
State Water Project (SWP)
Publications:
Planning Documents
Minutes
Agendas
Charter
Templates
Magazine
Engineering Reports
Bios
Grants
Presentations
Guidebooks
Maps
Letters
News Release
Reports
Public Comments
Environmental Reports
Public Notices
Contracts
Legislative Reports
Education Material
