Rock County, MN Water Table Trend
The nearest real water-table reading to Rock County, MN
The closest qualifying well to Rock County is 27 miles away in Minnehaha County, SD, where the trend runs holding roughly steady.
Rock County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Rock 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 Minnehaha County, SD'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.
Rock County, Minnesota in brief
About 9,525 people live across Rock County's 482 square miles, in Minnesota. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Rock County isn't one of them yet, see the methodology guide for the exact qualifying bar.