Risley Reservoir Dam (no Longer Using 14605)

Significant HazardFair ConditionEmergency Action Plan: No

Location

StateConnecticut
CountyTolland
Nearest CityLYDALLVILLE
River/StreamLYDALL BROOK
Coordinates41.79843, -72.47219

Physical Characteristics

Dam TypeMasonry
NID Height28 ft
Dam Height28 ft
Dam Length625 ft
Year Completed1853 (173 years old)

Storage & Hydraulics

NID Storage226 acre-ft
Max Storage226 acre-ft
Normal Storage226 acre-ft
Surface Area14 acres
Drainage Area0 sq mi
Max Discharge540 cfs

Ownership & Safety

PurposeWater Supply
OwnerTown of Manchester
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection10/15/2024
Emergency Action PlanNo

Identifiers

NID IDCT00211
Federal IDCT00211
More InfoState Dam Safety Program

Nearby Dams

Manchester Reservoir #2 Dam 0.5 mi Significant Manchester Reservoir #1 Dam 0.5 mi Significant Wilson Brook Detention Dam 0.6 mi Significant Notch Pond Dam 1.1 mi Significant Lydall Pond #1 Dam 1.7 mi Significant Porter Reservoir Dam 1.7 mi Significant Howard Reservoir Dam 1.9 mi High Dobsonville Pond Dam 2.0 mi Significant Tankerhoosen Lake North Dam 2.0 mi Significant Aldon Mill Pond Dam 2.1 mi Significant