San Diego County / Southern California

The latest news and analysis covering water issues in the San Diego County region and Southern California.

Owens Valley Groundwater Basin Goes Low

California’s Department of Water Resources came out with its latest prioritization of state groundwater basins and, tentatively, the Owens Valley basin is now low. Over the short life of the Sustainable Groundwater Management Act, Owens Valley has gone from medium to high and now low priority. That prioritization would have had an impact three years […]

Vallecitos Water District Smokes Out Wastewater System Problems

Problems in wastewater systems can’t hide behind a smokescreen at the Vallecitos Water District. The district’s Systems Collection Department routinely performs “smoke testing” of its wastewater system. This technique can easily locate flows caused by broken or incorrectly installed sewer pipes, lateral connections, or missing/broken clean-out caps. The test is performed by introducing smoke, comprised […]

Opinion: The Cadiz Project To Drain The Desert Is A Bad Idea

There’s a tiny green patch of Mojave Desert, past Barstow but before Needles, north of Joshua Tree National Park and south of the Mojave National Preserve, where groundwater pumped from an aquifer under the arid landscape irrigates several hundred acres of crops. Rainfall that seeps from the adjacent mountains is sporadic, but sufficient to replenish […]

Pumped Hydro With Better Financing Can Compete With Batteries

Lazard’s well-known Levelized Cost of Storage analysis does not cover pumped hydro storage, and a pumped hydro cost estimate from the National Renewable Energy Laboratory is not expected until late this year, as a follow-up to an interim report. Beating them to the punch is a report by UC San Diego professor David Victor and […]