Sister Grove Creek Ws Scs Site 8 Dam

Sister Grove Creek Ws Scs Site 8 Dam is an earth dam located in Collin County, Texas, built in 1959. It carries a Low hazard potential classification.

About Sister Grove Creek Ws Scs Site 8 Dam

The primary purpose of Sister Grove Creek Ws Scs Site 8 Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Collin County;collin County Swcd (local government). It impounds the Tr-sister Grove Creek.

The dam stands 42 feet tall and stretches 2,075 feet across, creates a reservoir covering 18 acres, has a maximum storage capacity of 837 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1959, the structure is well into its service life at over 50 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.

At 42 feet, this dam is taller than 89% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateTexas
CountyCollin
River/StreamTr-sister Grove Creek
Coordinates33.35224, -96.50297

Physical Characteristics

Dam TypeEarth
NID Height42 ft
Dam Height42 ft
Dam Length2,075 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage837 acre-ft
Max Storage837 acre-ft
Normal Storage134 acre-ft
Surface Area18 acres
Drainage Area1 sq mi
Spillway TypeNone

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCOLLIN COUNTY;COLLIN COUNTY SWCD
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDTX01144
Federal IDTX01144
More InfoState Dam Safety Program

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