Westerdoll Lake
Westerdoll Lake is an earth dam located in Larimer County, Colorado, built in 1900. It carries a Low hazard potential classification and has a fair condition assessment.
About Westerdoll Lake
The primary purpose of Westerdoll Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Seven Lakes Reservoir Co. (dan Kammerzell) (private). It impounds the Big Thompson River-os near Loveland.
The dam stands 11 feet tall and stretches 250 feet across, creates a reservoir covering 38 acres, and has a maximum storage capacity of 311 acre-feet. Completed in 1900, the structure is over a century old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected 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. The most recent inspection on record was 08/13/2009. That was over 16 years ago.
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Location
| State | Colorado |
| County | Larimer |
| Nearest City | Loveland |
| River/Stream | Big Thompson River-os |
| Coordinates | 40.42056, -105.05269 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 250 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 311 acre-ft |
| Max Storage | 311 acre-ft |
| Normal Storage | 229 acre-ft |
| Surface Area | 38 acres |
| Max Discharge | 875 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | SEVEN LAKES RESERVOIR CO. (DAN KAMMERZELL) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/13/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02792 |
| Federal ID | CO02792 |
| More Info | State Dam Safety Program |