Type of Direct Reuse | Minimum Class of Reclaimed Water Required |
Irrigation of food crops | A |
Recreational impoundments | A |
Residential landscape irrigation | A |
Schoolground landscape irrigation | A |
Open access landscape irrigation | A |
Toilet and urinal flushing | A |
Fire protection systems | A |
Spray irrigation of an orchard or vineyard | A |
Commercial closed loop air conditioning systems | A |
Vehicle and equipment washing (does not include self-service vehicle washes) | A |
Snowmaking | A |
Surface irrigation of an orchard or vineyard | B |
Golf course irrigation | B |
Restricted access landscape irrigation | B |
Landscape impoundment | B |
Dust control | B |
Soil compaction and similar construction activities | B |
Pasture for milking animals | B |
Livestock watering (dairy animals) | B |
Concrete and cement mixing | B |
Materials washing and sieving | B |
Street cleaning | B |
Pasture for non-dairy animals | C |
Livestock watering (non-dairy animals) | C |
Irrigation of sod farms | C |
Irrigation of fiber, seed, forage, and similar crops | C |
Silviculture | C |
Note: Nothing in this Article prevents a wastewater treatment plant from using a higher quality reclaimed water for a type of direct reuse than the minimum class of reclaimed water listed in Table A. For example, a wastewater treatment plant may provide Class A reclaimed water for a type of direct reuse where Class B or Class C reclaimed water is acceptable.
Ariz. Admin. Code tit. 18, ch. 11, art. 3, tbl. A