Sacramento County, CA Water Table Trend
The nearest real water-table reading to Sacramento County, CA
San Joaquin County, CA, 36 miles from Sacramento County, is the closest county with a qualifying well, and its water table is declining faster than most declining counties.
No well inside Sacramento County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Sacramento County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See San Joaquin County, CA'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.
About Sacramento County
Sacramento County, California covers 965 square miles and is home to about 1,611,231 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Sacramento County isn't one of them yet, see the methodology guide for the exact qualifying bar.