Naylor Lower is an earth dam located in York County, Pennsylvania. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 19 ft19 ft tall and 115 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Naylor Lower
The primary purpose of Naylor Lower is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Forge Hill Orchards, Inc (private). It impounds the Tr Hartman's Run.
The dam stands 19 feet tall and stretches 115 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 18 acre-feet, and collects water from a drainage area of 0 square miles.
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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/03/2021.
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Location
| State | Pennsylvania |
| County | York |
| River/Stream | Tr Hartman's Run |
| Coordinates | 40.04250, -76.70056 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 115 ft |
Storage & Hydraulics
| NID Storage | 18 acre-ft |
| Max Storage | 18 acre-ft |
| Normal Storage | 9 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Forge Hill Orchards, Inc |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/03/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | PA01918 |
| Federal ID | PA01918 |
| More Info | State Dam Safety Program |