H C Groendyke #2
H C Groendyke #2 is an earth dam located in Blaine County, Oklahoma, built in 1974. It carries a Low hazard potential classification.
About H C Groendyke #2
The primary purpose of H C Groendyke #2 is debris control. The dam is designed to catch sediment, rocks, and debris carried by flowing water — particularly important in areas prone to mudslides or heavy erosion. The dam is owned by H.c. Groendyke (private).
The dam stands 32 feet tall and stretches 240 feet across, creates a reservoir covering 6 acres, has a maximum storage capacity of 69 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 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 32 feet, this dam is taller than 76% of dams nationwide.
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Location
| State | Oklahoma |
| County | Blaine |
| Coordinates | 35.64755, -98.51518 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 240 ft |
| Year Completed | 1974 (52 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Debris Control |
| Owner | H.C. GROENDYKE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK83690 |
| Federal ID | OK83690 |
| More Info | State Dam Safety Program |