Lake Coldwater is an earth dam located in Comanche County, Kansas, built in 1974. It carries a Significant hazard potential classification.
Dam profile
NID height · 57 ft57 ft tall and 3,860 ft long, taller than 94% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Lake Coldwater
The primary purpose of Lake Coldwater is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Coldwater, City of (local government). It impounds the Cavalry Creek-tr near Protection.
The dam stands 57 feet tall and stretches 3,860 feet across, creates a reservoir covering 250 acres, has a maximum storage capacity of 6,420 acre-feet, and collects water from a drainage area of 43 square miles. Completed in 1974, 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. An emergency action plan is in place for this dam. The most recent inspection on record was 04/08/2019.
At 57 feet, this dam is taller than 94% of dams nationwide.
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Location
| State | Kansas |
| County | Comanche |
| Nearest City | Protection |
| River/Stream | Cavalry Creek-tr |
| Coordinates | 37.24305, -99.34969 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 57 ft |
| Dam Height | 38 ft |
| Dam Length | 3,860 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 6,420 acre-ft |
| Max Storage | 6,420 acre-ft |
| Normal Storage | 2,490 acre-ft |
| Surface Area | 250 acres |
| Drainage Area | 43 sq mi |
| Max Discharge | 22,630 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Coldwater, City of |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 04/08/2019 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS02465 |
| Federal ID | KS02465 |
| More Info | State Dam Safety Program |