Lassen County, CA Water Table Trend
The nearest real water-table reading to Lassen County, CA
The closest qualifying well to Lassen County is 50 miles away in Washoe County, NV, where the trend runs declining, slower than most declining counties.
Lassen County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Lassen County's own number. If you own a well here, comparing your own depth log against this regional figure is worth doing before assuming either way. See Washoe County, NV's full page. See the no-data guide for why a county this close to a qualifying well still doesn't get its own number.
Lassen County, California in brief
About 28,340 people live across Lassen County's 4,541 square miles, in California. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Lassen County isn't one of them yet, see the methodology guide for the exact qualifying bar.