Section R18-11-307. Class C Reclaimed Water

A.       Class C reclaimed water is wastewater that has undergone secondary treatment in a series of wastewater stabilization ponds, including aeration, with or without disinfection.

B.       The owner of a facility shall ensure that:

1.        The total retention time of Class C reclaimed water in wastewater stabilization ponds is at least 20 days.

2.        Class C reclaimed water meets the following criteria after treatment and before discharge to a reclaimed water distribution system:

a.         The concentration of fecal coliform organisms in four of the last seven reclaimed water samples taken is less than 1000 / 100 ml.

b.        The single sample maximum concentration of fecal coliform organisms in a reclaimed water sample is less than 4000 / 100 ml.

C.       A person shall use a minimum of Class C reclaimed water for a type of direct reuse listed as Class C in Table A. A person shall not use Class C reclaimed water for a type of direct reuse listed as Class A or Class B in Table A.

Historical Note

New Section adopted by final rulemaking at 7 A.A.R.

870, effective January 22, 2001 (Supp. 01-1).