Grogan Dam
Grogan Dam is an earth dam located in Cass County, Texas, built in 1929. It carries a Low hazard potential classification.
About Grogan Dam
Grogan Dam is a dam in Cass, Texas. The dam is owned by Pj Grogan (private). It impounds the Tr-frazier Creek.
The dam stands 25 feet tall and stretches 700 feet across, and has a maximum storage capacity of 192 acre-feet. Completed in 1929, the structure is well-established, with more than 75 years of service.
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.
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Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Texas |
| County | Cass |
| River/Stream | Tr-frazier Creek |
| Coordinates | 32.99659, -94.20834 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 700 ft |
| Year Completed | 1929 (97 years old) |
Storage & Hydraulics
| NID Storage | 192 acre-ft |
| Max Storage | 192 acre-ft |
| Normal Storage | 64 acre-ft |
| Spillway Type | None |
Ownership & Safety
| Owner | PJ GROGAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX00394 |
| Federal ID | TX00394 |
| More Info | State Dam Safety Program |