Peterson Lake
Peterson Lake is an earth dam located in Boulder County, Colorado, built in 1961. It carries a Low hazard potential classification and has a fair condition assessment.
About Peterson Lake
The primary purpose of Peterson Lake 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 Eldora Enterprises, Llc (newquist, Randy) (private). It impounds the Middle Boulder Creek-tr near Nederland.
The dam stands 12 feet tall and stretches 88 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 197 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1961, the structure is well into its service life at over 50 years 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 08/13/2008. That was over 17 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Colorado |
| County | Boulder |
| Nearest City | Nederland |
| River/Stream | Middle Boulder Creek-tr |
| Coordinates | 39.94048, -105.56768 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 12 ft |
| Dam Height | 12 ft |
| Dam Length | 88 ft |
| Year Completed | 1961 (65 years old) |
Storage & Hydraulics
| NID Storage | 197 acre-ft |
| Max Storage | 197 acre-ft |
| Normal Storage | 117 acre-ft |
| Surface Area | 18 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 345 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | ELDORA ENTERPRISES, LLC (NEWQUIST, RANDY) |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/13/2008 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO02834 |
| Federal ID | CO02834 |
| More Info | State Dam Safety Program |