Lake County, SD Water Table Trend
What the closest monitoring well shows for Lake County
The closest qualifying well to Lake County is 22 miles away in Moody County, SD, where the trend runs holding roughly steady.
Lake County itself has no monitoring well with enough history to call its own trend, so treat this as a regional estimate, not Lake 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 Moody 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.
Lake County, South Dakota in brief
About 11,006 people live across Lake County's 563 square miles, in South Dakota. USGS's National Groundwater Monitoring Network covers 1,449 of 3,222 US counties (45%) today; Lake County isn't one of them yet, see the methodology guide for the exact qualifying bar.