Phillips County, CO Water Table Trend
Is the water table dropping in Phillips County, CO?
Phillips County's long-term well puts the trend at 3.7 ft per decade, declining at a typical pace for a declining county, based on 56 measurements since 1950.
This is one representative well, not a county-wide survey, the same grain limit every page here discloses.
Phillips County's source well, in detail
Depth to water at the last reading was 156.7 ft below land surface. Readings span 1950-09-25 to 2017-03-01, 56 measurements from USGS well USGS-403912102393501 (Sb00804719bbd), part of the National Water Information System. The qualifying bar and the OLS fit behind this trend are documented in the methodology guide.
How Phillips County compares nationally
Phillips County sits at rank 1267th 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. Phillips County, Colorado is home to about 4,488 people. See the fastest-moving counties guide for how Phillips County stacks up against the most extreme cases nationally.
If you own a well in Phillips County
A dropping water table means a residential pump has to reach deeper and work harder, which shortens its life. In Phillips County, that trend is real, not assumed: 3.7 ft per decade over 66 years.
Depth and quality are separate questions
This page answers a depth question, not a quality one. A well in Phillips 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.