Oakhurst Wastewater Treatment
Oakhurst Wastewater Treatment is an earth dam located in Madera County, California, built in 2005. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Oakhurst Wastewater Treatment
Oakhurst Wastewater Treatment is a dam in Madera, California. The dam is owned by Madera County Maintenance District 22a (local government). It impounds the Tr Fresno River.
The dam stands 60 feet tall and stretches 2,150 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 110 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2005, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 05/28/2025.
At 60 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | California |
| County | Madera |
| River/Stream | Tr Fresno River |
| Coordinates | 37.32930, -119.68210 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 60 ft |
| Dam Height | 60 ft |
| Dam Length | 2,150 ft |
| Year Completed | 2005 (21 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Madera County Maintenance District 22A |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/28/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CA01485 |
| Federal ID | CA01485 |
| More Info | State Dam Safety Program |