Byram Lake Reservoir Dam

High HazardPoor ConditionEmergency Action Plan: Yes

Location

CountyWestchester
Nearest CityArmonk
River/StreamBYRAM RIVER
Coordinates41.15528, -73.69306

Physical Characteristics

Dam TypeEarth
NID Height27 ft
Dam Height27 ft
Dam Length185 ft

Storage & Hydraulics

NID Storage3,610 acre-ft
Max Storage3,610 acre-ft
Normal Storage2,909 acre-ft
Surface Area164 acres
Drainage Area1 sq mi
Max Discharge273 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerVILLAGE OF MT KISCO
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection02/05/2025
Emergency Action PlanYes

Identifiers

NID IDNY01175
Federal IDNY01175
More InfoState Dam Safety Program

Nearby Dams

North Lake Dam 1.0 mi High Windmill Lake Dam 1.1 mi High Paterno Dam 1.2 mi High Long Pond Dam 1.3 mi Significant Wampus Lake Reservoir Dam 1.8 mi Significant Lake Dark Hollow Dam 2.9 mi Significant Converse Lake Dike 2.9 mi Significant Howlands Lake Dam 2.9 mi Significant Cross Pond Dam 3.1 mi Significant Wilshire Pond Dam 3.2 mi Significant