Callahan County, TX Water Table Trend
The nearest real water-table reading to Callahan County, TX
The closest qualifying well to Callahan County is 124 miles away in Borden County, TX, where the trend runs rising, getting shallower over time.
Callahan County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Callahan 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 Borden 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.
Callahan County, Texas in brief
About 14,615 people live across Callahan County's 899 square miles, in Texas. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Callahan County isn't one of them yet, see the methodology guide for the exact qualifying bar.