Connecticut Dams
1,225 dams tracked by the National Inventory of Dams
Total Dams
1,225
High Hazard
236
19.3%
Poor / Unsatisfactory
126
Average Age
115 yrs
Hazard Classification
High236 (19.3%)
Significant936 (76.4%)
Low53 (4.3%)
Condition Assessment
Satisfactory474 (38.7%)
Fair254 (20.7%)
Poor / Unsatisfactory126 (10.3%)
Not Rated371 (30.3%)
Federal
9
State
169
Local
254
Private
697
Tallest Dams
- Colebrook River Dam223 ft
- Mad River Flood Control Dam178 ft
- Nepaug Dam156 ft
- Shepaug 138 ft
- Saville Dam137 ft
High Hazard Dams
- Colebrook River DamHigh
- Mad River Flood Control DamHigh
- Nepaug DamHigh
- Shepaug High
- Saville DamHigh
Poor Condition Dams
All Dams in Connecticut
Showing 101–122 of 122
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Tatros Pond Dam Litchfield County | 6 | — | Significant | Poor |
| Taylors Pond Dam Fairfield County | 9 | — | Significant | Poor |
| Tomlinson Lake Dam Litchfield County | 10 | 1950 | Significant | Poor |
| Topping Road Dam Fairfield County | 15 | 1920 | Significant | Poor |
| Towantic Pond Dam New Haven County | 18 | 1870 | Significant | Poor |
| Tracey Pond Dam Hartford County | 12 | — | Significant | Poor |
| Trouble Pond Dam Middlesex County | 7 | — | Significant | Poor |
| Turkey Hill Reservoir Dam & Dike Middlesex County | 10 | — | Significant | Poor |
| Union Pond Dam Fairfield County | 16 | — | Significant | Poor |
| Upper Mill Pond Dam Middlesex County | 8 | 1813 | Low | Poor |
| Upper Pond Dam #1 Middlesex County | 8 | — | Significant | Poor |
| Wadsworth Falls Dam #2 Middlesex County | 10 | — | Significant | Poor |
| Walkers Reservior Dam Tolland County | 10 | 1900 | Significant | Poor |
| Warren Pond Dam Tolland County | 22 | 1852 | High | Poor |
| Wells Pond Dam Tolland County | 11 | 1920 | Significant | Poor |
| West Fork Pond Dam Fairfield County | 4 | 1940 | Significant | Poor |
| Whitford Pond Dam New London County | 7 | — | Low | Poor |
| Williams Pond Dam Hartford County | 17 | 1900 | High | Poor |
| Wilson Pond Dam Litchfield County | 8 | 1948 | Significant | Poor |
| Witch Hazel Mill Pond Dam New Haven County | 10 | — | Significant | Poor |
| Woods Pond Dam Tolland County | 8 | — | Significant | Poor |
| Zoar Pond Dam Middlesex County | 21 | — | Significant | Poor |
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Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.