Indian Creek Mine Dam-lower
Indian Creek Mine Dam-lower is an earth dam located in Washington County, Missouri, built in 1975. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Indian Creek Mine Dam-lower
The primary purpose of Indian Creek Mine Dam-lower 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 The Doe Run Company (private). It impounds the Goose Creek near Richwoods.
The dam stands 84 feet tall and stretches 2,130 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 875 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1975, the structure is well into its service life at over 50 years old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 01/20/2022.
At 84 feet, this dam is taller than 97% of all dams in the United States.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Missouri dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Missouri |
| County | Washington |
| Nearest City | Richwoods |
| River/Stream | Goose Creek |
| Coordinates | 38.06435, -90.91940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 84 ft |
| Dam Height | 84 ft |
| Dam Length | 2,130 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 875 acre-ft |
| Max Storage | 875 acre-ft |
| Normal Storage | 137 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,847 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | THE DOE RUN COMPANY |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 01/20/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO30717 |
| Federal ID | MO30717 |
| More Info | State Dam Safety Program |