Browse Dams
1,316 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 1,316 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.
| Name | State | County | Height (ft) | Hazard | Condition | Year | Purpose |
|---|---|---|---|---|---|---|---|
| Prior Fish & Wildlife Dam | Connecticut | Windham | 10 | Significant | Not Rated | - | Fish and Wildlife Pond |
| Long Pond Aka Stepney Dam | Connecticut | Fairfield | 10 | Significant | Fair | 1927 | Fish and Wildlife Pond |
| Sherwood Mill Pond Dam | Connecticut | Fairfield | 10 | Significant | Not Rated | 1900 | Recreation |
| Pequabuck River Dam | Connecticut | Litchfield | 10 | Significant | Not Rated | - | Other |
| Mondo Pond #4 Dam | Connecticut | New Haven | 10 | Significant | Not Rated | - | Recreation |
| Up Dam (H Bigelow V G C) | Connecticut | Windham | 10 | Significant | Not Rated | - | Recreation |
| Griswold Pond #2 Dam | Connecticut | Middlesex | 10 | Significant | Poor | - | Recreation |
| Great Meadow Brook Pond Dam | Connecticut | New London | 10 | Significant | Fair | - | Recreation |
| Green Pond Dam | Connecticut | Fairfield | 10 | Significant | Satisfactory | 1900 | Recreation |
| Merry Acres Dam | Connecticut | Litchfield | 10 | Significant | Satisfactory | 1938 | Recreation |
| Lake Triangle Camp Jewell Dam | Connecticut | Litchfield | 10 | Significant | Satisfactory | 1952 | Recreation |
| Lemanquais Pond Dam | Connecticut | Litchfield | 10 | Significant | Fair | 1968 | Fish and Wildlife Pond |
| Eddy Pray Reservoir | Connecticut | Windham | 10 | Significant | Not Rated | 1900 | Recreation |
| Holy Ghost Fathers Pond | Connecticut | Fairfield | 10 | Significant | Not Rated | - | Recreation |
| Wononpakook Lake Dam | Connecticut | Litchfield | 10 | Significant | Not Rated | 1920 | Recreation |
| Witch Hazel Mill Pond Dam | Connecticut | New Haven | 10 | Significant | Satisfactory | - | Recreation |
| Derby Dike | Connecticut | New Haven | 10 | Low | Satisfactory | 1870 | Hydroelectric |
| Kroupa Pond Dam | Connecticut | Middlesex | 10 | Significant | Satisfactory | 1900 | Recreation |
| Middle Pond Dam and Dike | Connecticut | Litchfield | 10 | Significant | Poor | 1900 | Recreation |
| Mansfield Training Dam #1 | Connecticut | Tolland | 10 | Significant | Fair | 1960 | Recreation |
| Holman Pond Dam | Connecticut | Tolland | 9 | Significant | Not Rated | - | Other |
| Bishop Swamp Dam | Connecticut | Tolland | 9 | Significant | Satisfactory | - | Recreation |
| Greenley Pond Dam | Connecticut | Fairfield | 9 | Significant | Not Rated | - | Recreation |
| Great Pond Dam | Connecticut | Hartford | 9 | Low | Poor | 1930 | Fish and Wildlife Pond |
| Pewter Pond Dam | Connecticut | Litchfield | 9 | Significant | Poor | - | Recreation |
| Beachdale Pond Dam | Connecticut | New London | 9 | Significant | Satisfactory | - | Recreation |
| Kleeman Dam | Connecticut | New Haven | 9 | Significant | Not Rated | - | Other |
| Cigar Pond Dam | Connecticut | Tolland | 9 | Significant | Not Rated | - | Recreation |
| Taylors Pond Dam | Connecticut | Fairfield | 9 | Significant | Poor | - | Recreation |
| Tetreault Pond | Connecticut | Windham | 9 | Significant | Not Rated | 1900 | Recreation |
| Porter Pond Dam | Connecticut | Windham | 9 | Significant | Satisfactory | - | Recreation |
| Oneco Pond Dam | Connecticut | Windham | 9 | Significant | Not Rated | 1900 | Recreation |
| Spring Lake Dam | Connecticut | New Haven | 9 | Significant | Not Rated | - | Recreation |
| Lake Bonair Dam | Connecticut | Tolland | 9 | Significant | Not Rated | 1900 | Recreation |
| Folly Pond Dam | Connecticut | Hartford | 9 | Significant | Satisfactory | - | Recreation |
| Bradley Pond Dam | Connecticut | Hartford | 9 | Significant | Not Rated | - | Recreation |
| Ehrsam Pond Dam | Connecticut | Fairfield | 9 | Significant | Not Rated | - | Recreation |
| Wyantenock Wildlife Marsh Dam #3 | Connecticut | Litchfield | 9 | Significant | Satisfactory | - | Fish and Wildlife Pond |
| Hartford Reservoir #5 Dike | Connecticut | Hartford | 9 | High | Fair | - | Water Supply |
| Hart Pond Dam | Connecticut | Litchfield | 9 | Significant | Poor | - | Recreation |
| Wards Mill Pond Dam | Connecticut | New Haven | 9 | Significant | Not Rated | 1900 | Recreation |
| Holbrook Pond Dam | Connecticut | Tolland | 9 | Significant | Satisfactory | 1920 | Recreation |
| Turnpike Pond Dam | Connecticut | Middlesex | 9 | Significant | Fair | 1900 | Recreation |
| Grannis Pond Dam | Connecticut | Hartford | 9 | Significant | Satisfactory | - | Recreation |
| Ridge Lower Detention Dam | Connecticut | New Haven | 9 | Significant | Satisfactory | - | Other |
| Beckwith Pond Dam | Connecticut | New London | 9 | Significant | Satisfactory | - | Recreation |
| Blind Pond Dam | Connecticut | Fairfield | 9 | Significant | Satisfactory | - | Recreation |
| Bibbins Pond Dam | Connecticut | Windham | 9 | Significant | Satisfactory | 1880 | Recreation |
| Pistapaug Reservoir Dam | Connecticut | New Haven | 9 | High | Satisfactory | 1941 | Water Supply |
| Lake Marie Dam | Connecticut | Windham | 9 | Significant | Satisfactory | 1880 | Recreation |
Frequently Asked Questions
Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.
Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.
Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.