Jacques Marsh is an earth dam located in Navajo County, Arizona, built in 1988. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 9 ft9 ft tall and 5,350 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Jacques Marsh
The primary purpose of Jacques Marsh is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Pinetop-lakeside Sanitary District (local government). It impounds the Offstream near Show Low.
The dam stands 9 feet tall and stretches 5,350 feet across, creates a reservoir covering 35 acres, and has a storage capacity of 210 acre-feet. Completed in 1988, the structure is 38 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 07/12/2023.
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Location
| State | Arizona |
| County | Navajo |
| Nearest City | Show Low |
| River/Stream | Offstream |
| Coordinates | 34.18694, -109.97694 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Dam Length | 5,350 ft |
| Year Completed | 1988 (38 years old) |
Storage & Hydraulics
| NID Storage | 210 acre-ft |
| Normal Storage | 210 acre-ft |
| Surface Area | 35 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Pinetop-lakeside Sanitary District |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/12/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | AZ00208 |
| Federal ID | AZ00208 |
| More Info | State Dam Safety Program |