Isom No 1
Isom No 1 is an earth dam located in Bryan County, Oklahoma, built in 1972. It carries a Low hazard potential classification.
About Isom No 1
The primary purpose of Isom No 1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Bruce Isom (private). It impounds the Tr-j-n Cr near Burris Cemetery.
The dam stands 27 feet tall and stretches 860 feet across, creates a reservoir covering 20 acres, and has a maximum storage capacity of 160 acre-feet. Completed in 1972, 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. The most recent inspection on record was 09/10/1999. That was over 26 years ago.
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Location
| State | Oklahoma |
| County | Bryan |
| Nearest City | Burris Cemetery |
| River/Stream | Tr-j-n Cr |
| Coordinates | 33.94682, -96.28901 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 860 ft |
| Year Completed | 1972 (54 years old) |
Storage & Hydraulics
| NID Storage | 160 acre-ft |
| Max Storage | 160 acre-ft |
| Normal Storage | 120 acre-ft |
| Surface Area | 20 acres |
| Max Discharge | 122 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | BRUCE ISOM |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 09/10/1999 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | OK00062 |
| Federal ID | OK00062 |
| More Info | State Dam Safety Program |