Calhoun County, TX Water Table Trend
The nearest real water-table reading to Calhoun County, TX
The closest qualifying well to Calhoun County is 86 miles away in Brazoria County, TX, where the trend runs rising, getting shallower over time.
Calhoun County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Calhoun 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 Brazoria County, TX'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.
Calhoun County, Texas in brief
About 19,942 people live across Calhoun County's 507 square miles, in Texas. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Calhoun County isn't one of them yet, see the methodology guide for the exact qualifying bar.