Koch
Koch is an earth dam located in Phillips County, Colorado, built in 1947. It carries a Low hazard potential classification.
About Koch
The primary purpose of Koch is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Merl D. Koch (private). It impounds the So Fork Frenchman Creek-tr near Holyoke.
The dam stands 20 feet tall and stretches 350 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 180 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 04/13/1995. That was over 30 years ago.
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Location
| State | Colorado |
| County | Phillips |
| Nearest City | Holyoke |
| River/Stream | So Fork Frenchman Creek-tr |
| Coordinates | 40.58334, -102.63890 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 15 ft |
| Dam Length | 350 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 180 acre-ft |
| Max Storage | 180 acre-ft |
| Normal Storage | 39 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 8 sq mi |
| Max Discharge | 6,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MERL D. KOCH |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 04/13/1995 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | CO00392 |
| Federal ID | CO00392 |
| More Info | State Dam Safety Program |