Cormorant Lake

Cormorant Lake is an earth dam located in St. Tammany Parish, Louisiana, built in 1988. It carries a Low hazard potential classification and has a fair condition assessment.

About Cormorant Lake

The primary purpose of Cormorant Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Whippoorwill Grove, Inc. (private). It impounds the Simmons Creek near Bush.

The dam stands 10 feet tall and stretches 860 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 169 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1988, the structure is 38 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/15/2021.

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Low HazardFair ConditionEmergency Action Plan: No

Location

StateLouisiana
CountySt. Tammany
Nearest CityBush
River/StreamSimmons Creek
Coordinates30.60602, -89.95698

Physical Characteristics

Dam TypeEarth
NID Height10 ft
Dam Height10 ft
Dam Length860 ft
Year Completed1988 (38 years old)

Storage & Hydraulics

NID Storage169 acre-ft
Max Storage169 acre-ft
Normal Storage135 acre-ft
Surface Area33 acres
Drainage Area1 sq mi
Max Discharge233 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerWhippoorwill Grove, Inc.
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection12/15/2021
Emergency Action PlanNo

Identifiers

NID IDLA00395
Federal IDLA00395
More InfoState Dam Safety Program

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