Union-Lancster Wat Sup Dm

TR-CATAWBA RIVER· Lancaster, South Carolina· Built 1992· 65 ft tall
Low Hazard Water Supply Local Government

Key Takeaway

Union-Lancster Wat Sup Dm is classified as low hazard in South Carolina. It was completed in 1992 and is 34 years old. Its primary use is water supply.

Physical Details

Dam Height 65 ft (taller than 98.5% in SC)
Max Storage389 acre-ft
Normal Storage307 acre-ft
Surface Area16 acres
Year Completed1992 (34 years old)
NID IDSC02646

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: September 7, 2017
State Regulated: Yes
Regulatory Agency: SC DHEC

Ownership

LANCASTER COUNTY WATER AND SEWER DISTRICT

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Union-Lancster Wat Sup Dm?

Union-Lancster Wat Sup Dm is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Union-Lancster Wat Sup Dm?

Union-Lancster Wat Sup Dm is owned by LANCASTER COUNTY WATER AND SEWER DISTRICT (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Union-Lancster Wat Sup Dm built?

Union-Lancster Wat Sup Dm was completed in 1992, making it 34 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Union-Lancster Wat Sup Dm?

Union-Lancster Wat Sup Dm serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Union-Lancster Wat Sup Dm?

Union-Lancster Wat Sup Dm has a dam height of 65 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Union-Lancster Wat Sup Dm last inspected?

Union-Lancster Wat Sup Dm was last inspected on September 7, 2017. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.