Jackson Wastewater Treatment Plant
Jackson Wastewater Treatment Plant is an earth dam located in Teton County, Wyoming, built in 1980. It carries a Low hazard potential classification and has a fair condition assessment.
About Jackson Wastewater Treatment Plant
The primary purpose of Jackson Wastewater Treatment Plant is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by Town Of Jackson (local government). It impounds the Snake River Offstream near Jackson.
The dam stands 16 feet tall and stretches 8,500 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 459 acre-feet. Completed in 1980, the structure is 46 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 07/16/2024.
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Location
| State | Wyoming |
| County | Teton |
| Nearest City | Jackson |
| River/Stream | Snake River Offstream |
| Coordinates | 43.40139, -110.78139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 8,500 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 459 acre-ft |
| Max Storage | 459 acre-ft |
| Normal Storage | 459 acre-ft |
| Surface Area | 20 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Debris Control |
| Owner | TOWN OF JACKSON |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 07/16/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | WY01712 |
| Federal ID | WY01712 |
| More Info | State Dam Safety Program |