Monroe County, MI Water Table Trend
Monroe County, MI: the closest actual trend
The closest qualifying well to Monroe County is 16 miles away in Lucas County, OH, where the trend runs rising, getting shallower over time.
Monroe County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Monroe 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 Lucas County, OH'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.
Monroe County, Michigan in brief
About 156,045 people live across Monroe County's 549 square miles, in Michigan. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Monroe County isn't one of them yet, see the methodology guide for the exact qualifying bar.