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Title: Environmental Assessment : Harleyville Reach Water Transmission Main, Dorchester and Orangeburg Counties, South Carolina
Authors: United States. Army. Corps of Engineers. Charleston District.
Keywords: Water-supply engineering
Dorchester County (S.C.)
Orangeburg County (S.C.)
Environmental protection
Environmental management
Publisher: United States. Army. Corps of Engineers. Charleston District.
Abstract: This Environmental Assessment (EA) has been prepared by the U.S. Army Corps of Engineers, Charleston District in compliance with the National Environmental Policy Act, 42 U.S.C. §§ 4321- 4370f, and its implementing regulations, 40 C.F.R. §§ 1500-1508, and 33 C.F.R. Part 230, to evaluate the proposed installation and operation of a potable water transmission main from Holly Hill, SC to Harleyville, SC. The water transmission main to Harleyville would be the entry point of the Lake Marion System into Dorchester County. Once the line is constructed to Harleyville, the system is expected to be expanded to St. George and Ridgeville plus several smaller communities in the western half of Dorchester County. The system is also expected to serve 3 schools in the Harleyville/St. George area (i.e., Woodland High School, Harleyville-Ridgeville Middle School, and Dorchester County Career School) and 3 Commerce Parks (i.e., the Giant Industrial site located off of US Hwy 178 a few miles east of Harleyville; the Winding Woods Commerce Park located off of US Hwy 78 a few miles east of St. George; and the Ridgeville Commerce Park located near the intersection of US Hwy 78 and SC Hwy 27). Harleyville currently gets its potable water from 2 groundwater wells that can produce a total of approximately 500 gallons per minute (GPM); although, the true capacity of their system is less than that. They currently operate at a rate of about 100,000 gallons/day. The water from these wells has a history of having a high sulfur content. The only treatment performed on their water is chlorination. Another important aspect of connecting Harleyville to the Lake Marion system is that the 24-inch water main that provides water to the Holly Hill area is currently not being used because the low volume demand from Holly Hill does not provide sufficient flow in the pipe to maintain sufficient chlorine concentration in the water. The addition of Harleyville to the system will enable this entire section of the system to be brought on line. A 24-inch line is used up to Holly Hill because this is the section of line that is expected to ultimately be extended into western Berkeley County. Construction of the proposed project would satisfy the current and future water supply needs for a large portion of western Dorchester County. Specifically, needs related to health and safety, system operations and maintenance are key benefits for the future of the area.
Description: Environmental Assessment
Rights: Approved for Public Release; Distribution is Unlimited
Size: 125 pages / 5.32 MB
Types of Materials: PDF/A
Appears in Collections:Environmental Documents

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