Waller County, TX Water Table Trend
Is the water table dropping in Waller County, TX?
Waller County's long-term well puts the trend at 2.5 ft per decade, declining at a typical pace for a declining county, based on 77 measurements since 1947.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Waller County's source well, in detail
Depth to water at the last reading was 57.5 ft below land surface. Readings span 1947-03-28 to 2021-03-10, 77 measurements from USGS well USGS-295709096013101 (Yw-66-08-603), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Waller County compares nationally
Waller County sits at rank 1224th 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. Waller County, Texas is home to about 65,109 people. See the fastest-moving counties guide for how Waller County stacks up against the most extreme cases nationally.
If you own a well in Waller County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Waller County, that trend is real, not assumed: 2.5 ft per decade over 74 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Waller 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.