Hidalgo County, NM Water Table Trend
Is the water table dropping in Hidalgo County, NM?
Over 78 years of USGS readings, the well tracking Hidalgo County's aquifer is declining faster than most declining counties: 6.4 ft per decade.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Hidalgo County's source well, in detail
Depth to water at the last reading was 59.9 ft below land surface. Readings span 1948-03-25 to 2026-01-28, 82 measurements from USGS well USGS-321041108515101 (24s.20w.35.214), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Hidalgo County compares nationally
Hidalgo County sits at rank 1345th 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. Hidalgo County, New Mexico is home to about 3,966 people. See the fastest-moving counties guide for how Hidalgo County stacks up against the most extreme cases nationally.
If you own a well in Hidalgo County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Hidalgo County, that trend is real, not assumed: 6.4 ft per decade over 78 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Hidalgo 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.