St Martinville Oxidation Pond Wwtp is an earth dam located in St. Martin Parish, Louisiana, built in 1970. It carries a Low hazard potential classification and has a fair condition assessment.
Dam profile
NID height · 15 ft15 ft tall and 7,640 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 St Martinville Oxidation Pond Wwtp
St Martinville Oxidation Pond Wwtp is a dam in St. Martin, Louisiana. The dam is owned by City of St Martinville (local government). It impounds the Cypress Island Coulee near St Martinville.
The dam stands 15 feet tall and stretches 7,640 feet across, creates a reservoir covering 83 acres, and has a maximum storage capacity of 382 acre-feet. Completed in 1970, the structure is well into its service life at over 50 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 09/06/2012. That was over 14 years ago.
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Location
| State | Louisiana |
| County | St. Martin |
| Nearest City | St Martinville |
| River/Stream | Cypress Island Coulee |
| Coordinates | 30.14190, -91.86030 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 7,640 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 382 acre-ft |
| Max Storage | 382 acre-ft |
| Normal Storage | 319 acre-ft |
| Surface Area | 83 acres |
| Max Discharge | 13 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Other |
| Owner | City of St Martinville |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 09/06/2012 |
| Emergency Action Plan | No |
Identifiers
| NID ID | LA00186 |
| Federal ID | LA00186 |
| More Info | State Dam Safety Program |