The Woodlands
The Woodlands is an earth dam located in Wyandotte County, Kansas, built in 1953. It carries a High hazard potential classification and has a satisfactory condition assessment.
About The Woodlands
The primary purpose of The Woodlands 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 Wyandotte County, Unified Govt Of (local government). It impounds the Marshall Creek.
The dam stands 47 feet tall and stretches 890 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 419 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1953, 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 03/19/2021.
At 47 feet, this dam is taller than 92% of dams nationwide.
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 Kansas 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 | Kansas |
| County | Wyandotte |
| River/Stream | Marshall Creek |
| Coordinates | 39.14777, -94.79234 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 47 ft |
| Dam Height | 34 ft |
| Dam Length | 890 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 419 acre-ft |
| Max Storage | 419 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 9,850 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WYANDOTTE COUNTY, UNIFIED GOVT OF |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/19/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | KS00096 |
| Federal ID | KS00096 |
| More Info | State Dam Safety Program |