MEADOW LAKE DAM - NH00519-3440
Dam Name: MEADOW LAKE DAM
State: NH
Downstream Hazard Potential: L
Incident Type: Non-Failure
Incident Date: 07/29/2021
Incident Driver: Deterioration or Poor Condition
Incident Mechanism 1: Spillway Riser Failure
Incident Mechanism 2Sinkhole
Incident Mechanism 3Spillway Pipe Failure
Incident IDNH00519-3440
Incident DescriptionCorroded CMP riser and outlet created sinkhole around the riser and into the embankment. Corroded low-level outlet pipe with increased seepage.
Named Hydrologic Event
EAP Enacted (Y/N) due to Incident
Fatalities (Number)
Number of People Evacuated0
Number of Habitable Structures Evacuated0
Number of Habitable Structures Flooded0
Other Infrastructure ImpactsNone
Economic Damages (in $)Unknown
ResponseEmergency oulet was initially installed. Corroded low-level outlet failed some time after resulting in pond loss. Currently repair design is ongoing through consultant. Impoundment is lowered until repairs can be made.
Volume released at failure (ac-ft)
Additional Remarks or Updates
Owner TypeS
Dam TypeRE
Primary Purpose(s)R
EAPNR
Dam Height14 ft
Max Storage (ac-ft)105.00
Surface Area (acres)18.00
Year Completed1975
NID NumberNH00519
River NameLAMPREY RIVER
Latitude43.201
Longitude-71.2054
Year Modified
1991
Regulatory Agency(ies)NHDES DAM BUREAU
Incident Time
Incident Duration
Incident Report ProducedYes
Information SourcesNHDES DAM BUREAU
