Rock Hill at a Glance Utility System Profile The combined utility system, which provides electrical, water, and sewer services within the City and its surrounding areas, is municipally owned and operated. Rates are set by City Council. The system presently serves approximately 95,000 people, including residential and commercial customers of the City and its suburbs. The Rock Hill City Council is the rate setting body for all utilities– no State or other authority regulates the City’s utility rates.
Electric System
Water System
The City has operated the electric system since 1911. The electric system consists of six substations which serve 21 distribution feeder circuits of 25,000 volts and four substations which serve 17 distribution feeder circuits at 4,160 volts. The City purchases electric power from Piedmont Municipal Power Agency (PMPA) and Southeastern Power Administration at wholesale rates and retails to local consumers through the City-owned distribution lines. A mutual assistance agreement with 20 other members provides for mutual assistance in extreme emergencies.
The City withdraws water from Lake Wylie, a Duke Energy Company lake constructed in 1915. The distribution system serves an area of approximately 69.43 square miles, including 4.32 square miles outside the City limits. Within the water system, 4.5 million gallons of elevated storage and 3.0 million gallons of ground storage is provided. The water system serves both residential and industrial customers.
Number of Customers - Electric System
Number of Customers - Water System
Last Ten Fiscal Years
Last Ten Fiscal Years
2005
30,127
2005
25,903
2006
31,156
2006
26,927
2007
32,409
2007
28,075
2008
32,917
2008
28,688
2009
32,873
2009
28,779
2010
33,204
2010
29,288
2011
33,126
2011
29,209
2012
33,142
2012
29,427
2013
33,548
2013
29,950
2014
33,859
2014
30,243
Wastewater System The City’s waste and a significant amount of waste collected by York County is treated at the Manchester Creek Treatment Facility. Manchester is a combination trickling filter and activated sludge plant with a 24 million gallons per day capacity. The peak maximum metered flow was 34 million gallons per day, measured in 2003. Number of Customers - Wastewater System Last Ten Fiscal Years
18
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
26,427
27,735
28,828
29,541
29,786
30,286
30,561
30,824
31,296
31,600
City of Rock Hill, South Carolina—Fiscal Year 2015/2016