Settling Ponds
Settling Ponds is a dam located in Johnston County, Oklahoma. It carries a Low hazard potential classification.
About Settling Ponds
The primary purpose of Settling Ponds is tailings. Tailings dams contain waste material from mining operations — typically a slurry of finely ground rock left over after valuable minerals have been extracted. These structures require ongoing monitoring because tailings can contain heavy metals and other contaminants. The dam is owned by Dol Msha (federal). It impounds the Mill Creek.
The dam stands 30 feet tall, has a maximum storage capacity of 3,000 acre-feet, and collects water from a drainage area of 1 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. The most recent inspection on record was 10/15/2009. That was over 16 years ago.
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Location
| State | Oklahoma |
| County | Johnston |
| River/Stream | Mill Creek |
| Coordinates | 34.45980, -96.83325 |
Physical Characteristics
| NID Height | 30 ft |
| Dam Height | 30 ft |
Storage & Hydraulics
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Drainage Area | 1 sq mi |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Tailings |
| Owner | DOL MSHA |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 10/15/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK83451 |
| Federal ID | OK83451 |
| More Info | State Dam Safety Program |