St. Mary Land & Exploration Co. is a dam located in Atoka County, Oklahoma. It carries a Low hazard potential classification.
Dam profile
NID height · 21 ft21 ft tall and 1,400 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. Mary Land & Exploration Co.
The primary purpose of St. Mary Land & Exploration Co. is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by St. Mary Land & Exploration Co. (private). It impounds the Trib to Coal Creek near Wardville.
The dam stands 21 feet tall and stretches 1,400 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 297 acre-feet, and collects water from a drainage area of 0 square miles.
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.
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Location
| State | Oklahoma |
| County | Atoka |
| Nearest City | Wardville |
| River/Stream | Trib to Coal Creek |
| Coordinates | 34.59532, -96.08132 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 17 ft |
| Dam Length | 1,400 ft |
Storage & Hydraulics
| NID Storage | 297 acre-ft |
| Max Storage | 297 acre-ft |
| Normal Storage | 100 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 30 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | St. Mary Land & Exploration Co. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK83017 |
| Federal ID | OK83017 |
| More Info | State Dam Safety Program |