St. Charles Mesa
St. Charles Mesa is an earth dam located in Pueblo County, Colorado, built in 1975. It carries a Significant hazard potential classification and has a fair condition assessment.
About St. Charles Mesa
The primary purpose of St. Charles Mesa is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by St Charles Mesa Water District (farrell, Patrick) (public utility). It impounds the St. Charles River-os near Pueblo.
The dam stands 23 feet tall and stretches 1,970 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 109 acre-feet. Completed in 1975, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 10/17/2022.
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Location
| State | Colorado |
| County | Pueblo |
| Nearest City | Pueblo |
| River/Stream | St. Charles River-os |
| Coordinates | 38.23167, -104.56223 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 16 ft |
| Dam Length | 1,970 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 109 acre-ft |
| Max Storage | 109 acre-ft |
| Normal Storage | 91 acre-ft |
| Surface Area | 6 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | ST CHARLES MESA WATER DISTRICT (FARRELL, PATRICK) |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 10/17/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CO00488 |
| Federal ID | CO00488 |
| More Info | State Dam Safety Program |