Harnett County, NC Water Table Trend
Harnett County, NC: the closest actual trend
Wake County, NC, 32 miles from Harnett County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Harnett County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Harnett County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Wake County, NC'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 Harnett County
Harnett County, North Carolina covers 595 square miles and is home to about 146,096 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Harnett County isn't one of them yet, see the methodology guide for the exact qualifying bar.