William Harris Reservoir Dam

High HazardNot Rated ConditionEmergency Action Plan: Yes

Location

StateTexas
CountyBrazoria
River/StreamOFF CH-OYSTER CREEK
Coordinates29.22953, -95.51239

Physical Characteristics

Dam TypeEarth
NID Height9 ft
Dam Height9 ft
Dam Length37,000 ft
Year Completed1947 (79 years old)

Storage & Hydraulics

NID Storage15,345 acre-ft
Max Storage15,345 acre-ft
Normal Storage7,000 acre-ft
Drainage Area2 sq mi
Max Discharge2 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerTHE DOW CHEMICAL COMPANY
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentNot Rated
Last Inspection05/22/2019
Emergency Action PlanYes

Identifiers

NID IDTX01753
Federal IDTX01753
More InfoState Dam Safety Program

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