Arthurs Pond Dam
Arthurs Pond Dam is a concrete dam located in Orange County, New York, built in 1920. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Arthurs Pond Dam
The primary purpose of Arthurs Pond 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 Village Of Cornwall-on-hudson (local government). It impounds the Moodna Creek near Cornwall.
The dam stands 27 feet tall and stretches 248 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 259 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1920, the structure is over a century old.
This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 10/03/2023.
Living Downstream
If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | New York |
| County | Orange |
| Nearest City | Cornwall |
| River/Stream | Moodna Creek |
| Coordinates | 41.40083, -74.02167 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 248 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 259 acre-ft |
| Max Storage | 259 acre-ft |
| Normal Storage | 216 acre-ft |
| Surface Area | 13 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | VILLAGE OF CORNWALL-ON-HUDSON |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/03/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00490 |
| Federal ID | NY00490 |
| More Info | State Dam Safety Program |