|
Incident ID |
PA01135-3177 |
|
Dam Name |
LAKE MAY (SECTION F) |
|
Downstream Hazard Potential |
H |
|
State |
PA |
|
Incident Date |
11/12/2009 |
|
Incident Type |
Non-failure |
|
Incident Driver |
Seepage/internal Erosion |
|
Incident Mechanism 1 |
Erosion |
|
Incident Mechanism 2 |
Spillway Chute Failure |
|
Incident Mechanism 3 |
|
|
Incident Description |
BORO FOUND SEEPAGE ALONG THE EMERGENCY SPILLWAY. LARGE VOIDS FOUND BENEATH CONCRETE. |
|
Named Hydrologic Event |
|
|
EAP Enacted (Y/N) due to Incident |
No |
|
Fatalities (Number) |
0 |
|
Number of People Evacuated |
0 |
|
Number of Habitable Structures Evacuated |
|
|
Number of Habitable Structures Flooded |
|
|
Other Infrastructure Impacts |
|
|
Economic Damages (in $) |
|
|
Volume released at failure (ac-ft) |
|
|
Response |
LAKE WAS DRAWN DOWN. REPAIRS CONSISTED OF DRILLING HOLES IN THE SPILLWAY & FILLING VOIDS WITH GROUT. |
|
Additional Remarks or Updates |
THIS IS AN OFF-STREAM LAKE. INLET WAS CLOSED TO DIRECT WATER AROUND THE LAKE. |
|
Incident Time |
|
|
Incident Duration |
|
|
Incident Report Produced |
|
|
Information Sources |
PA Dam Safety |
|
Owner Type |
L |
|
Dam Type |
RE |
|
Primary Purpose(s) |
R |
|
EAP |
Y |
|
Year Completed |
1967 |
|
Year Modified |
2010 |
|
Dam Height |
22 ft |
|
Max Storage (ac-ft) |
271 ac-ft |
|
Surface Area (acres) |
24 acres |
|
River Name |
TOMS CREEK |
|
Latitude |
39.7414 |
|
Longitude |
-77.3719 |
|
Regulatory Agency(ies) |
PENNSYLVANIA DEPARTMENT OF ENVIRONMENTAL PROTECTION |
|
NID Number |
PA01135 |
|
Attachments |
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