- February 28, 2019
Pacific Gas and Electric Company release their Annual Cleanup Status and Effectiveness Report (January to December 2018)
- April 17, 2017
Pacific Gas and Electric Company release their Annual Cleanup Status and Effectiveness Report (January to December 2016)
- October 16, 2015
On October 16, 2015, the California Regional Water Quality Control Board released Cleanup and Abatement Order No. R6V-2015 Proposed. Click here to download the document.
- July 21, 2015
- July 21, 2015
- July 16, 2015
- May 13, 2015
- April 3, 2015
- March 11, 2015
- February 26, 2015
- January 21, 2015
- January 6, 2015
- November 18, 2014
- November 5, 2014
- October 17, 2014
- September 11, 2014
October 14, 2014
View IRP Manager Comments on the Former Waste Pit Technical Exchange Meeting (TEM) of 9-11-2014. (more…)
- September 10, 2014
The Lahontan Regional Water Quality Control Board held their regularly scheduled Board meeting at the Hampton Inn. (more…)
- July 9, 2014
Water Board’s Guide for Private Domestic Well Owners
- July 7, 2014
USGS Candidate Wells for the Background Study
- July 1, 2014
PG&E submits 1Q 2014 SEP Project Progress Report
- June 24, 2014
PG&E successfully maintains inward groundwater gradients all around the 3.1ppb plume boundary
- June 11, 2014
The Community Advisory Committee (CAC) and the IRP Manager hosted a Community BBQ on May 31, 2014 at the Community Center
- June 4, 2014
CAC and IRP Mgr Request of Private Well Owners to Share Their Water Quality Data with USGS for the Just Commenced Background Study
- April 16, 2014
CA Department of Public Health submitted final proposed Cr6 MCL to the CA Office of Administrative Law on April 15, 2014
- April 16, 2014
PG&E submits Agricultural Treatment Units Report to WB to begin construction of an additional 91 acres
- April 16, 2014
Hydraulic control at Thompson Road continues to prevent plume migration
- April 16, 2014
Annual IRP Manager and CAC Community BBQ scheduled for May 31, 2014
- March 19, 2014
Two new fresh water injection wells to be installed at the Northwest Freshwater Injection (NWFI) system
- March 19, 2014
4th Q 2013 Plume Map issued
- March 18, 2014
Tasks and questions addressed by the Background Study
- March 18, 2014
Lahontan Water Board approves permit on 3/12/14, allowing for Chromium-6 ATUs to be expanded from current 236 acres to max of 500 acres
- March 17, 2014
Groundwater Monitoring and Plume Maps
- March 5, 2014
First task under USGS Background Study underway