15A NCAC 18C .0102      DEFINITIONS

(a)  The definitions contained in G.S. 130A‑2, G.S. 130A-290, and G.S. 130A‑313 are hereby incorporated by reference including any subsequent amendments and editions.  Copies are available for public inspection at the principal address of the Division of Water Resources at 512 North Salisbury Street, Raleigh NC 27604-1170; 1634 Mail Service Center, Raleigh NC 27699-1634; or at the website of the Division at www.ncwater.org.

(b)  The definitions contained in 40 C.F.R. 141.2 are hereby incorporated by reference including any subsequent amendments and editions except the following definitions are not adopted:

(1)           "Disinfection;"

(2)           "Maximum containment level;"

(3)           ”Person;"

(4)           "Public Water System;" and

(5)           "Supplier of water."

Copies are available for public inspection as set forth in Rule 18C .0102 of this Section.  In addition, copies of governing federal regulations may be obtained from the Environmental Protection Agency's (USEPA) homepage at http://water.epa.gov/lawsregs/rulesregs/sdwa/index.cfm or from the USEPA's Drinking Water Hotline at 1-800-426-4791.

(c)  In addition to the definitions incorporated by reference as set forth in Paragraph (a), the following definitions shall apply to this Subchapter:

(1)           "Act" means the North Carolina Drinking Water Act.

(2)           "Class I reservoir" means a reservoir from which water flows by gravity or is pumped directly to a treatment plant or to a small intervening storage basin and thence to a treatment plant.

(3)           "Class II reservoir" means a reservoir from which the water flows by gravity or is pumped to a Class I reservoir prior to final entrance to a water treatment plant.

(4)           "Class III reservoir" means an impoundment used for electric power generation, flood control, and similar purposes, and that serves as a source of raw water for a community water system.

(5)           "Cross‑connection" means:

(A)          any physical connection between a potable water supply system and any other piping system, sewer fixture, container, or device, whereby water or other liquids, mixtures, or substances may flow into or enter the potable water supply system;

(B)          any potable water supply outlet which is submerged or is designed or intended to be submerged in non‑potable water or in any source of contamination; or

(C)          an air gap, providing a space between the potable water pipe outlet and the flood level rim of a receiving vessel of less than twice the diameter of the potable water pipe.

(6)           "Community Water System intake" means the structure at the head of a conduit into which water is diverted from a stream or reservoir for transmission to water treatment facilities.

(7)           "Disinfection" means a process that inactivates pathogenic organisms in water.

(8)           "Fecal Coliform" means bacteria found in the intestine of humans and other warm blooded animals that are not normally disease producing but serve as indicators of recent fecal contamination. They are members of the Family Enterobacteriaceae, Genus Escherichia, Species Coli.

(9)           "Mobile Home Park" means a site or tract of land where spaces are provided for lease or rental only to mobile home occupants.

(10)         "Mobile home subdivision" means a subdivided site or tract of land in which lots are sold for use by mobile home occupants.

(11)         "Non‑potable water supply" means waters not approved for drinking or other household uses.

(12)         "Potable water supply" means water approved for drinking or other household uses.

(13)         "Raw water" means surface water or groundwater that because of bacteriological quality, chemical quality, turbidity, color, or mineral content makes it unsatisfactory as a source for a community water system without treatment.

(14)         "Raw water reservoir" means a natural or artificial impoundment used for the primary purpose of storing raw water to be subsequently treated for use as a source for a community water system.

(15)         "Service connection" means a piped connection from a water main for the purpose of conveying water to a building or onto a premise for human use.

(16)         "Water supply product" means any chemical or substance added to a public water system in conjunction with a treatment technique or material used in construction of a public water system.  The term includes any material used in the manufacture of public water system components, appurtenances, any pipe, storage tank or valve that comes in contact with water intended for use in a public water system.


History Note:        Authority G.S. 130A‑311 through 130A‑327; P.L. 93‑523; 40 C.F.R. 141.2;

Eff. January 1, 1977;

Readopted Eff. December 5, 1977;

Amended Eff. April 1, 2014; July 1, 1994; August 1, 1991; January 1, 1991; September 1, 1990.