Our Mission
To protect the County’s environment, citizens, and economy from adverse effects caused by activities relating to the extraction and use of water resources and to seek mitigation of any existing or future adverse effects resulting from such activities.
Inyo County Water Department
Any questions regarding water systems, service, or billing should be directed to Public Works at 760-878-0201.
The Inyo County Water Department (ICWD) monitors the vegetation, soil water, and hydrology of the Owens Valley following ground-water exportation by the City of Los Angeles. The Inyo County Water Department (ICWD) assists in the implementation of the County Policy on Extraction and Use of Water, the Agreement, FEIR, MOU and Ordinance 1004 (see Resolution 99-43) Inyo County and the Los Angeles Department of Water and Power use this information to jointly manage the valley’s water resources under the Inyo/Los Angeles Water Agreement. ICWD also advises the County on other water resource issues in Inyo County. In addition, ICWD conducts research and carries out saltcedar control programs.
Upcoming Meetings/Press Releases
Recent Updates
- Well On/Off Table (10/1/21)
- Bishop Creek Flows 2022
- Bishop Cone Audit (Draft 2020-21)
- Inyo County comments on LADWP’s proposed Annual Operations Plan for Runoff Year 2021-2022 (DRAFT 4/27/21)
- LADWP Owens Valley Operations Plan for Runoff Year 2021-22
- ICWD W385 Pumping Test 2019/20 Analysis and Discussion
- LADWP Analysis of W385 Pumping Test
Projects
Inyo/Los Angeles Technical Group Evaluation of McNally Ponds E/M Project- Letter to Coso Operating Company extending pumping period (May 28, 2021)
- Revised Groundwater Flow Model and Predictive Simulation Results (May 27, 2021)
- Blackrock Waterfowl Management Area Interim Management and Monitoring Plan
- Owens River Water Trail Draft Environmental Impact Report and Appendices
- ICWD Five Bridges Site Assessment 2018
- Big Pine Reclaimed Water Project – Feasibility Report
- Owens River Water Trail
- Notice of Preparation of a Draft EIR for the Owens River Water Trail
- LADWP response to Big Pine Reclaimed Water-Feasibility Report
- Lower Owens River Project Annual Report
Quick Links
- Interactive Mitigation Map (beta)
- Greg James address at Inyo County’s Sesquicentennial Celebration
- Owens Valley Groundwater Conflict – Deepest Valley
- 2020 Vegetation Plots
- 2020 Mitigation Table
- 2017 Green Book Modification
- 2016 Vegetation Monitoring and Analysis Report by Ecological Society of America
- 2017 Bishop Cone Summary PowerPoint Presentation
Inyo County Water Department