As used in this chapter:

1. (1) "Board" means the Drinking Water Board appointed under Section 19-4-103.
2. (2) "Community water system" means a public water system that serves residents year-round.
3. (3) "Contaminant" means a physical, chemical, biological, or radiological substance or matter in water.
4. (4) "Director" means the director of the Division of Drinking Water.
5. (5) "Division" means the Division of Drinking Water, created in Subsection 19-1-105(1)(b).

6. (6)

   1. (a) "Groundwater source" means an underground opening from or through which groundwater flows or is pumped from a subsurface water-bearing formation.

   2. (b) "Groundwater source" includes:

      1. (i) a well;
      2. (ii) a spring;
      3. (iii) a tunnel; or
      4. (iv) an adit.
7. (7) "Maximum contaminant level" means the maximum permissible level of a contaminant in water that is delivered to a user of a public water system.

8. (8)

   1. (a) "Public water system" means a system providing water for human consumption and other domestic uses that:

      1. (i) has at least 15 service connections; or
      2. (ii) serves an average of 25 individuals daily for at least 60 days of the year.

   2. (b) "Public water system" includes:

      1. (i) a collection, treatment, storage, or distribution facility under the control of the operator and used primarily in connection with the system; and
      2. (ii) a collection, pretreatment, or storage facility used primarily in connection with the system but not under the operator's control.

9. (9) "Retail water supplier" means a person that:

   1. (a) supplies water for human consumption and other domestic uses to an end user; and
   2. (b) has more than 500 service connections.
10. (10) "Supplier" means a person who owns or operates a public water system.
11. (11) "Wholesale water supplier" means a person that provides most of that person's water to a retail water supplier.