15A NCAC 18A .3401      DEFINITIONS

The following definitions shall apply throughout Section 18A .3400 of this Subchapter:

(1)           "Enterococcus" means a gram positive coccoid-shaped bacteria that is found in the intestinal tracts of warm-blooded animals that include Enterococcus faecalis, Enterococcus faecium, Enterococcus avium, and Enterococcus gallinarium.

(2)           "Geometric mean" means the mean of "n" positive numbers obtained by taking the "n"th root of the product of the numbers with at least five samples collected within a 30 day period.

(3)           "Point source discharge'" means the discharge of liquids through a pipe, drain, ditch or other conveyance into a swimming area.

(4)           "Primary contact" means an activity in water in which a person's head is partially or completely submerged.

(5)           "Storm water discharge" means any natural or manmade conveyance of rainwater or the resultant runoff into recreational waters.

(6)           "Swimming advisory" means a notification to the public that recommends no primary contact with the water in a specific area for public health reasons but does not close a swimming area to the public.  A swimming advisory shall include a sign posted at the site of the advisory and a press release to notify the public of the risks of swimming in the area.

(7)           "Swimming alert" means a notification to the public by media contact including a press release to warn the public of risks of swimming in an area that exceeds bacteriological swimming area levels.

(8)           "Swimming area" means a coastal recreation area that is used for primary contact located within waters classified by the Division of Water Quality as SA, SB, or SC.

(9)           "Swimming season" means from April 1 through October 31 of each year.

(10)         "Tier I swimming area" means a swimming area used daily during the swimming season, including any public access swimming area and any other swimming area where people use the water for primary contact, including all oceanfront beaches.

(11)         "Tier II swimming area" means a swimming area used an average of three days a week during the swimming season.

(12)         "Tier III swimming area" means a swimming area used an average of four days a month during the swimming season.

(13)         "Winter season" means from November 1 through March 31 of each year.


History Note:        Authority G.S. 130A-233.1;

Eff. February 1, 2004.