Fort Bend County, TX Water Table Trend
Fort Bend County's groundwater trend, from USGS's own readings
Fort Bend County's representative monitoring well shows depth to water declining, slower than most declining counties, a fitted trend of 0.9 ft per decade over 79 years of readings.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Fort Bend County's source well, in detail
Depth to water at the last reading was 40.1 ft below land surface. Readings span 1947-04-24 to 2025-12-05, 80 measurements from USGS well USGS-292459095451901 (Jy-65-34-901), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Fort Bend County compares nationally
Fort Bend County sits at rank 1057th 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. Fort Bend County, Texas is home to about 958,434 people. See the fastest-moving counties guide for how Fort Bend County stacks up against the most extreme cases nationally.
If you own a well in Fort Bend County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Fort Bend County, that trend is real, not assumed: 0.9 ft per decade over 79 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Fort Bend 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.