Waterworks Dam is an other dam located in Johnson County, Kansas, built in 1920. It carries a High hazard potential classification.
Dam profile
NID height · 9 ft9 ft tall. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Waterworks Dam
Waterworks Dam is a dam in Johnson, Kansas. The dam is owned by Olathe, City of (local government). It impounds the Mill Creek-tr near Olathe.
The dam stands 9 feet tall, has a maximum storage capacity of 15 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1920, the structure is over a century 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. Notably, no emergency action plan is currently on file for this high-hazard dam. The most recent inspection on record was 01/05/2006. That was 20 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.
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 | Johnson |
| Nearest City | Olathe |
| River/Stream | Mill Creek-tr |
| Coordinates | 38.87495, -94.81014 |
Physical Characteristics
| Dam Type | Other |
| NID Height | 9 ft |
| Dam Height | 9 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 15 acre-ft |
| Max Storage | 15 acre-ft |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Other |
| Owner | Olathe, City of |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not assessed |
| Last Inspection | 01/05/2006 |
| Emergency Action Plan | No |
Identifiers
| NID ID | KS04495 |
| Federal ID | KS04495 |
| More Info | State Dam Safety Program |