Jefferson County, AR Water Table Trend
Is the water table dropping in Jefferson County, AR?
Jefferson County's long-term well puts the trend at 33.2 ft per decade, declining faster than most declining counties, based on 73 measurements since 1948.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Jefferson County's source well, in detail
Depth to water at the last reading was 195 ft below land surface. Readings span 1948-12-02 to 2024-05-09, 73 measurements from USGS well USGS-341918091504901 (04s08w35bbd1), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Jefferson County compares nationally
Jefferson County sits at rank 1446th 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. Jefferson County, Arkansas is home to about 63,672 people. See the fastest-moving counties guide for how Jefferson County stacks up against the most extreme cases nationally.
If you own a well in Jefferson County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Jefferson County, that trend is real, not assumed: 33.2 ft per decade over 75 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Jefferson 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.