Dresser No. 10 Dam
Dresser No. 10 Dam is an earth dam located in Jefferson County, Missouri, built in 1974. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Dresser No. 10 Dam
Dresser No. 10 Dam is a dam in Jefferson, Missouri. The dam is private-owned. It impounds the Tr Big River near Blackwell.
The dam stands 100 feet tall and stretches 765 feet across, creates a reservoir covering 40 acres, has a maximum storage capacity of 1,329 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1974, 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 02/10/2022.
At 100 feet, this dam is taller than 98% 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 | Jefferson |
| Nearest City | Blackwell |
| River/Stream | Tr Big River |
| Coordinates | 38.01794, -90.61060 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 100 ft |
| Dam Height | 100 ft |
| Dam Length | 765 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 1,329 acre-ft |
| Max Storage | 1,329 acre-ft |
| Normal Storage | 1,118 acre-ft |
| Surface Area | 40 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 142 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/10/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MO31153 |
| Federal ID | MO31153 |
| More Info | State Dam Safety Program |