WATERVILLE RESERVOIR DAM #2 - NY12268-3364
Dam Name: WATERVILLE RESERVOIR DAM #2
State: NY
Downstream Hazard Potential: S
Incident Type: Non-Failure
Incident Date: 10/31/2019
Incident Driver: Hydrologic/Flooding
Incident Mechanism 1: Overtopping
Incident Mechanism 2Debris Clogging
Incident Mechanism 3Insufficient Spillway Capacity
Incident IDNY12268-3364
Incident DescriptionRecord runoff and stream flows from the upstream drainage basin blocked the spillway channel. High stream flows and scour velocities eroded away the deteriorated but functional concrete lined spillway channel and transported debris. This blockage re-routed the stream flow into right basin of NY12268. This basin filled to capacity and overtopped the dividing wall basins. Left Basin (No. 1) filled to capacity and then overtopped the embankment. The high water flow and velocity eroded a section of the earth and stone lined core wall at the location of a water main penetration.
Named Hydrologic Event
EAP Enacted (Y/N) due to IncidentNo
Fatalities (Number)0
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsRoads, Water/sewer lines
Economic Damages (in $)$1 million to $5 million
Response
Volume released at failure (ac-ft)
Additional Remarks or Updatesincident report by Village's consulting engineer
Owner TypeL
Dam TypeMS
Primary Purpose(s)S
EAPY
Dam Height10 ft
Max Storage (ac-ft)7.00
Surface Area (acres)3.00
Year Completed1917
NID NumberNY12268
River NameTR-BIG CREEK
Latitude42.9283
Longitude-75.3383
Year Modified
Regulatory Agency(ies)NYS DEC
Incident Time20:00
Incident Duration1 day
Incident Report ProducedYes
Information SourcesNY Dam Safety
