Shelby County, AL Water Table Trend
The nearest real water-table reading to Shelby County, AL
The closest qualifying well to Shelby County is 55 miles away in Elmore County, AL, where the trend runs rising, getting shallower over time.
Shelby County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Shelby 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 Elmore County, AL'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.
Shelby County, Alabama in brief
About 235,969 people live across Shelby County's 785 square miles, in Alabama. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Shelby County isn't one of them yet, see the methodology guide for the exact qualifying bar.