Section R18-11-301. Definitions

The terms in this Article have the following meanings:

“Direct reuse” has the meaning prescribed in R18-9-701(1).

“Disinfection” means a treatment process that uses oxidants, ultraviolet light, or other agents to kill or inactivate pathogenic organisms in wastewater.

“Filtration” means a treatment process that removes particulate matter from wastewater by passage through porous media.

“Gray water” means wastewater, collected separately from a sewage flow, that originates from a clothes washer, bathtub, shower, or sink, but it does not include wastewater from a kitchen sink, dishwasher, or a toilet.

“Industrial wastewater” means wastewater generated from an industrial process.

“Landscape impoundment” means a manmade lake, pond, or impoundment of reclaimed water where swimming, wading, boating, fishing, and other water-based recreational activities are prohibited. A landscape impoundment is created for storage, landscaping, or for aesthetic purposes only.

“NTU” means nepholometric turbidity unit.

“On-site wastewater treatment facility” has the meaning prescribed in A.R.S. § 49-201(24).

“Open access” means that access to reclaimed water by the general public is uncontrolled.

“Reclaimed water” has the meaning prescribed in A.R.S. § 49- 201(31).

“Recreational impoundment” means a manmade lake, pond, or impoundment of reclaimed water where boating or fishing is an intended use of the impoundment. Swimming and other full-body recreation activities (for example, water-skiing) are prohibited in a recreational impoundment.

“Restricted access” means that access to reclaimed water by the general public is controlled.

“Secondary treatment” means a biological treatment process that achieves the minimum level of effluent quality defined by the federal secondary treatment regulation at 40 CFR § 133.102.

“Sewage” means untreated wastes from toilets, baths, sinks, lavatories, laundries, and other plumbing fixtures in places of human habitation, employment, or recreation.

Historical Note

Adopted effective July 9, 1981 (Supp. 81-4). Former Section R9-21-301 renumbered without change as Section R18-11-301 (Supp. 87-3). Section repealed effective February 18, 1992 (Supp. 92-1). New Section adopted by final rulemaking at 7 A.A.R. 870, effective January 22, 2001 (Supp. 01-1).