Porter Lake Dam
Porter Lake Dam is an earth dam located in Hempstead County, Arkansas, built in 1970. It carries a Low hazard potential classification.
About Porter Lake Dam
The primary purpose of Porter Lake Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by J K Porter (private). It impounds the Town Creek-tr near Guernsey.
The dam stands 16 feet tall and stretches 320 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 72 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1970, 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.
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Location
| State | Arkansas |
| County | Hempstead |
| Nearest City | Guernsey |
| River/Stream | Town Creek-tr |
| Coordinates | 33.72500, -93.67500 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Length | 320 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 72 acre-ft |
| Max Storage | 72 acre-ft |
| Normal Storage | 45 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 249 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | J K Porter |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | AR00950 |
| Federal ID | AR00950 |
| More Info | State Dam Safety Program |