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Project: Shadow Lake Dam Emergency Action Plan
Client: Shadow Lake Inc.
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As Shadow Lake Dam is a Class II, Significant Hazard structure, the NJDEP
requires the development of inundation mapping and an Emergency Action
Plan is strict conformity to the most recent NJDEP Emergency Action Plan
guidelines. As such Shadow Lake Inc. retained GSE to prepare the paper
Emergency Action Plan (EAP) document required by the NJDEP detailing the
downstream impacts, the level of community preparedness, and the appropriate
response by Shadow Lake Inc. in the event of a dam failure during the
SDF, the SDF without a failure of Shadow Lake Dam, and the “sunny-day”
event. A detailed hydrologic and hydraulic analysis was also developed
by GSE for Shadow Lake Dam. This analysis was used to develop flood inundation
mapping in strict conformity to NJDEP guidelines. The mapping was developed
at a scale sufficient to be used for identifying downstream inhabited
areas subject to possible danger and was submitted in an ArcView compatible
format. The submitted files were geo-referenced using the New Jersey State
Plane Coordinate System (SPCS) in North American Datum 1983 (NAD83) and
in compliance with the NJDEP Digital Data Standards.
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