Clermont County, OH Water Table Trend
Is the water table dropping in Clermont County, OH?
Clermont County's representative monitoring well shows depth to water rising, getting shallower over time, a fitted trend of 11.7 ft per decade over 32 years of readings.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Clermont County's source well, in detail
Depth to water at the last reading was 30.9 ft below land surface. Readings span 1987-10-22 to 2019-07-31, 14 measurements from USGS well USGS-390832084133300 (Ct-75 Miam Nawqa Sus Well Bvas-30), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Clermont County compares nationally
Clermont County sits at rank 24th of 1,449 ranked counties, ordered rising-to-declining, so a low number means a rising water table and a high one means fast decline. Clermont County, Ohio is home to about 214,123 people. See the fastest-moving counties guide for how Clermont County stacks up against the most extreme cases nationally.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Clermont County can be stable in depth and still worth testing for quality, or declining and still test clean, the two are measured separately, and only a direct test settles the second one.