Rockwall County, TX Water Table Trend
The nearest real water-table reading to Rockwall County, TX
Johnston County, OK, 99 miles from Rockwall County, is the closest county with a qualifying well, and its water table is declining at a typical pace for a declining county.
No well inside Rockwall County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Rockwall County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Johnston County, OK'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 Rockwall County
Rockwall County, Texas covers 127 square miles and is home to about 137,044 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Rockwall County isn't one of them yet, see the methodology guide for the exact qualifying bar.