Dd No H-21
Dd No H-21 is an earth dam located in Anderson County, Kansas, built in 1985. It carries a Low hazard potential classification.
About Dd No H-21
The primary purpose of Dd No H-21 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Pottawatomie Creek Wjd No 90 (local government). It impounds the Pottawatomie Creek-tr near Lane.
The dam stands 38 feet tall and stretches 610 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 498 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1985, the structure is 41 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.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Kansas |
| County | Anderson |
| Nearest City | Lane |
| River/Stream | Pottawatomie Creek-tr |
| Coordinates | 38.32005, -95.24088 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 610 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 498 acre-ft |
| Max Storage | 498 acre-ft |
| Normal Storage | 132 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | POTTAWATOMIE CREEK WJD NO 90 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS05380 |
| Federal ID | KS05380 |
| More Info | State Dam Safety Program |