Williams
Williams is an earth dam located in Adams County, Pennsylvania, built in 1981. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
About Williams
The primary purpose of Williams is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Pamela Williams (private). It impounds the Spring Run.
The dam stands 39 feet tall and stretches 400 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 25 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 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. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 03/22/2021.
At 39 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Pennsylvania |
| County | Adams |
| River/Stream | Spring Run |
| Coordinates | 39.78639, -77.40139 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 39 ft |
| Dam Height | 39 ft |
| Dam Length | 400 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 25 acre-ft |
| Max Storage | 25 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | PAMELA WILLIAMS |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 03/22/2021 |
| Emergency Action Plan | No |
Identifiers
| NID ID | PA01215 |
| Federal ID | PA01215 |
| More Info | State Dam Safety Program |