Blackwell Millpond Dam

Blackwell Millpond Dam is a dam located in Chesterfield County, South Carolina, built in 1950. It carries a Significant hazard potential classification and has a fair condition assessment.

About Blackwell Millpond Dam

The primary purpose of Blackwell Millpond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Bessie Frances M Sanders;j B Mckenzie;joanne Mckenzie Griggs;johnny William Mckenzie;lacey Mckenzie;mattie Jane Gainey;robert Lee Mckenzie;steve Wilson Mckenzie;vance G Mckenzie Et Al (private). It impounds the Blackwell Mill Stream.

The dam stands 10 feet tall, creates a reservoir covering 10 acres, and has a maximum storage capacity of 54 acre-feet. Completed in 1950, the structure is well-established, with more than 75 years of service.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/11/2022.

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Significant HazardFair ConditionEmergency Action Plan: Yes

Location

StateSouth Carolina
CountyChesterfield
River/StreamBlackwell Mill Stream
Coordinates34.40330, -80.28260

Physical Characteristics

NID Height10 ft
Dam Height10 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage54 acre-ft
Max Storage54 acre-ft
Normal Storage39 acre-ft
Surface Area10 acres

Ownership & Safety

PurposeRecreation
OwnerBESSIE FRANCES M SANDERS;J B MCKENZIE;JOANNE MCKENZIE GRIGGS;JOHNNY WILLIAM MCKENZIE;LACEY MCKENZIE;MATTIE JANE GAINEY;ROBERT LEE MCKENZIE;STEVE WILSON MCKENZIE;VANCE G MCKENZIE ET AL
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection05/11/2022
Emergency Action PlanYes

Identifiers

NID IDSCD03187
Federal IDSCD03187
More InfoState Dam Safety Program

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