Caddo County, OK Water Table Trend
Caddo County, OK: what the water table is actually doing
Over 76 years of USGS readings, the well tracking Caddo County's aquifer is declining at a typical pace for a declining county: 3.9 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Caddo County's source well, in detail
Depth to water at the last reading was 80.9 ft below land surface. Readings span 1948-08-18 to 2024-05-01, 2298 measurements from USGS well USGS-351308098341601 (09n-13w-28 Ddd 1 Alfalfa Gw Well), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Caddo County compares nationally
Caddo County sits at rank 1275th 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. Caddo County, Oklahoma is home to about 26,337 people. See the fastest-moving counties guide for how Caddo County stacks up against the most extreme cases nationally.
If you own a well in Caddo County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Caddo County, that trend is real, not assumed: 3.9 ft per decade over 76 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Caddo 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.