Waterhouse Pond Dam
Waterhouse Pond Dam is an earth dam located in Middlesex County, Connecticut, built in 1902. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Waterhouse Pond Dam
The primary purpose of Waterhouse 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 Connecticut Water Company (public utility). It impounds the Waterhouse Brook near Chester.
The dam stands 4 feet tall and stretches 335 feet across, creates a reservoir covering 46 acres, has a maximum storage capacity of 140 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1902, the structure is over a century 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 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 12/18/2024.
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Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | Chester |
| River/Stream | Waterhouse Brook |
| Coordinates | 41.41946, -72.46094 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 4 ft |
| Dam Height | 4 ft |
| Dam Length | 335 ft |
| Year Completed | 1902 (124 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 140 acre-ft |
| Surface Area | 46 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 105 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Connecticut Water Company |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/18/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00397 |
| Federal ID | CT00397 |
| More Info | State Dam Safety Program |