Fallon County, MT Water Table Trend
The nearest real water-table reading to Fallon County, MT
Bowman County, ND, 45 miles from Fallon County, is the closest county with a qualifying well, and its water table is holding roughly steady.
No well inside Fallon County clears this site's 15-year qualifying bar, so this is the closest real reading, not a measurement of Fallon County's own aquifer. Worth checking your own well's depth log against it rather than assuming it matches. See Bowman County, ND'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 Fallon County
Fallon County, Montana covers 1,621 square miles and is home to about 2,946 people. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Fallon County isn't one of them yet, see the methodology guide for the exact qualifying bar.