Lawrence Porter Lake No 1 Dam is an earth dam located in Palo Pinto County, Texas, built in 1965. It carries a Significant hazard potential classification.
Dam profile
NID height · 48 ft48 ft tall and 396 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Lawrence Porter Lake No 1 Dam
The primary purpose of Lawrence Porter Lake No 1 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 Lawrence Porter (private). It impounds the Tr-big Sunday Creek near Santo.
The dam stands 48 feet tall and stretches 396 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 317 acre-feet. Completed in 1965, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 06/03/2009. That was over 17 years ago.
At 48 feet, this dam is taller than 92% of dams nationwide.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Texas |
| County | Palo Pinto |
| Nearest City | Santo |
| River/Stream | Tr-big Sunday Creek |
| Coordinates | 32.56815, -98.21104 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 396 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 317 acre-ft |
| Max Storage | 317 acre-ft |
| Normal Storage | 200 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | None |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Lawrence Porter |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/03/2009 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | TX04439 |
| Federal ID | TX04439 |
| More Info | State Dam Safety Program |