Loch Mcwilliams Dam

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateLouisiana
CountySt. Tammany
Nearest CityCovington
River/StreamTr-Bills Creek
Coordinates30.64275, -90.09278

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height24 ft
Dam Length1,107 ft
Year Completed1983 (43 years old)

Storage & Hydraulics

NID Storage700 acre-ft
Max Storage700 acre-ft
Normal Storage530 acre-ft
Surface Area59 acres
Drainage Area0 sq mi
Max Discharge1,950 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerThe Highlands Homeowners Association of St. Tammany, Inc.
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection12/02/2024
Emergency Action PlanYes

Identifiers

NID IDLA00599
Federal IDLA00599
More InfoState Dam Safety Program

Nearby Dams

East Loch Mcwilliams Dam 0.3 mi Significant Loch Carden Dam 0.6 mi Significant Carden Dam No. 1 0.7 mi Low Loch Mcgregor Dam 0.7 mi Low Carden Dam No. 2 1.1 mi Low Polly Eagan Pond 4.9 mi Low Conway Farrel Pond 5.1 mi Low Spells Pond 5.1 mi Low Hemphill Lake Dam 6.3 mi Low Grande Hills Lake Dam No. 2 6.8 mi Low