Richland County, MT Water Table Trend
The nearest real water-table reading to Richland County, MT
The closest qualifying well to Richland County is 40 miles away in Roosevelt County, MT, where the trend runs holding roughly steady.
Richland County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Richland 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 Roosevelt County, MT'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.
Richland County, Montana in brief
About 11,028 people live across Richland County's 2,085 square miles, in Montana. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Richland County isn't one of them yet, see the methodology guide for the exact qualifying bar.