Hydrohistorian
DB-129 USGS SC01306230ACC4
Monitored well · 208 · Division 2 · Water District 10
Denver Basin bedrock
Confined sandstone aquifer; negligible human-timescale recharge — pumping is one-way storage mining.
Because this aquifer does not recharge on a human timescale, a decline here is storage being removed, not a stream being short. It is kept out of the stream-depletion math for that reason.
Water-level record
228 measurements from 1987-05-01 to 2025-08-19. Most recent water-level elevation 6051.02 ft, 108.3 ft below ground.
Over the record the level is decreasing at -3.47 ft per decade (p = 0.0008, n = 228). Mann–Kendall with the Hamed–Rao autocorrelation correction, on water-level elevation; rising elevation means more water.
Chart: water level at this well over time, 1987-05-01 to 2025-08-19, 228 measurements. The record is decreasing at -3.47 feet per decade (p equals 0.0008), measured on water-level elevation. Rising elevation means more water. The values are downloadable as CSV from the link above.
The well itself
| Aquifer | ARAPAHOE |
|---|---|
| Designated basin | DENVER BASIN |
| Total depth | 595.0 ft |
| Perforated interval | 445.0–450.0 ft |
| Ground elevation | 6159.32 ft |
| Permit | 31384 |
| Location | 38.89000, -104.38000 |
What this page is not
Monitoring records are irregular: measurements cluster where somebody chose to look, so a trend describes this well's record, not the aquifer as a whole. Levels are DWR's published measurements, unedited. A trend here is not a prediction, and it is not a determination about anyone's water right.