Montgomery County, TX Water Table Trend
Montgomery County, TX: what the water table is actually doing
Over 74 years of USGS readings, the well tracking Montgomery County's aquifer is holding roughly steady: 0 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Montgomery County's source well, in detail
Depth to water at the last reading was 50.8 ft below land surface. Readings span 1952-11-28 to 2026-08-19, 266 measurements from USGS well USGS-302948095422501 (Ts-60-35-202 (Flower Follet)), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Montgomery County compares nationally
Montgomery County sits at rank 622nd 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. Montgomery County, Texas is home to about 749,613 people. See the fastest-moving counties guide for how Montgomery 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 Montgomery 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.