San Jacinto County, TX Water Table Trend
San Jacinto County's groundwater trend, from USGS's own readings
Over 34 years of USGS readings, the well tracking San Jacinto County's aquifer is rising, getting shallower over time: 13.6 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
San Jacinto County's source well, in detail
Depth to water at the last reading was 118.4 ft below land surface. Readings span 1985-05-01 to 2019-02-08, 25 measurements from USGS well USGS-303000095002001 (Wu-60-40-315), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How San Jacinto County compares nationally
San Jacinto County sits at rank 16th 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. San Jacinto County, Texas is home to about 29,326 people. See the fastest-moving counties guide for how San Jacinto 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 San Jacinto 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.