Mahnomen County, MN Water Table Trend
What the closest monitoring well shows for Mahnomen County
The closest qualifying well to Mahnomen County is 39 miles away in Red Lake County, MN, where the trend runs holding roughly steady.
Mahnomen County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Mahnomen 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 Red Lake County, MN'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.
Mahnomen County, Minnesota in brief
About 5,296 people live across Mahnomen County's 558 square miles, in Minnesota. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Mahnomen County isn't one of them yet, see the methodology guide for the exact qualifying bar.