Harriett 4777-7 Freshwater #3
Harriett 4777-7 Freshwater #3 is an earth dam located in Johnson County, Wyoming, built in 2023. It carries a Low hazard potential classification and has a fair condition assessment.
About Harriett 4777-7 Freshwater #3
Harriett 4777-7 Freshwater #3 is a dam in Johnson, Wyoming. The dam is owned by Anschutz Exploration (private). It impounds the Off-channel.
The dam stands 24 feet tall and stretches 2,300 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 91 acre-feet. Completed in 2023, the structure is relatively new.
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 08/20/2024.
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Location
| State | Wyoming |
| County | Johnson |
| River/Stream | Off-channel |
| Coordinates | 44.06030, -106.16709 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 2,300 ft |
| Year Completed | 2023 (3 years old) |
Storage & Hydraulics
| NID Storage | 91 acre-ft |
| Max Storage | 91 acre-ft |
| Normal Storage | 91 acre-ft |
| Surface Area | 6 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Other |
| Owner | ANSCHUTZ EXPLORATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 08/20/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY02944 |
| Federal ID | WY02944 |
| More Info | State Dam Safety Program |