Dd No 30 is a rockfill dam located in Brown County, Kansas. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 813 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic rockfill embankment section and the water level is illustrative.
About Dd No 30
Dd No 30 is a dam in Brown, Kansas. The dam is owned by Pony Creek Wjd No 78 (local government). It impounds the Unnamed-tr.
The dam stands 40 feet tall and stretches 813 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 490 acre-feet, and collects water from a drainage area of 1 square miles.
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. The most recent inspection on record was 03/11/2011. That was over 15 years ago.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Kansas |
| County | Brown |
| River/Stream | Unnamed-tr |
| Coordinates | 39.95363, -95.67926 |
Physical Characteristics
| Dam Type | Rockfill |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 813 ft |
Storage & Hydraulics
| NID Storage | 490 acre-ft |
| Max Storage | 490 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 4,776 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Owner | Pony Creek Wjd No 78 |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 03/11/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | KS09004 |
| Federal ID | KS09004 |
| More Info | State Dam Safety Program |