Okla. Admin. Code § 252:656-27-1

Current through Vol. 41, No. 19, June 17, 2024

Section 252:656-27-1 - Categories of reclaimed water

The following are the categories of and allowed uses for reclaimed water:

(1)Category 1. Reserved.

(2)Category 2. Category 2 reclaimed water shall only be used for the allowed uses in Categories 3, 4 and 5, and:

(A) drip irrigation on orchards or vineyards;

(B) spray or drip irrigation on sod farms, public access landscapes and public use areas/sports complexes, including unrestricted access golf courses;

(C) toilet and urinal flushing;

(D) fire protection systems;

(E) commercial closed-loop air conditioning systems;

(F) vehicle and equipment washing (excluding self-service car washes)

(G) range cattle watering ; and

(H) make-up water for oil and gas production.

(3)Category 3. Category 3 reclaimed water shall only be used for the allowed uses in Categories 4 and 5, and:

(A) subsurface irrigation of orchards or vineyards;

(B) restricted access landscape irrigation;

(C) irrigation of livestock pasture;

(D) concrete mixing;

(E) dust control;

(F) aggregate washing/sieving;

(G) new restricted access golf course irrigation systems;

(H) industrial cooling towers, once-through cooling systems, and closed loop systems such as boiler feed water;

(I) restricted access irrigation of sod farms ; and

(J) hydraulic fracturing.

(4)Category 4. Category 4 reclaimed water shall only be used for the allowed uses in Category 5 and:

(A) soil compaction and similar construction activities; and

(B) existing restricted access golf course irrigation systems utilizing water that has received primary treatment in lagoon systems. Permits to construct shall not be issued for new Category 4 restricted golf course irrigation systems pending further research and evaluation of performance data collected from existing systems.

(5)Category 5. Category 5 reclaimed water shall only be used for:

(A) restricted access pasture irrigation for range cattle;

(B) restricted access irrigation of fiber, seed, forage and similar crops; and

(C) irrigation of silviculture.

(6)Category 6. Category 6 reclaimed water, which does not require a permit to supply, shall only be used within the wastewater treatment plant and includes:

(A) dilution water for chemicals used in the process such as polymers, coagulants, chlorination or dechlorination;

(B) mechanical seal water for gas compressors, pumps and other equipment;

(C) mechanical seal water and cooling water for pumps;

(D) odor and gas absorption including bio-filters used for odor control;

(E) centrifuge flushing;

(F) flushing grit and sludge pipes;

(G) gravity thickener make-up water;

(H) supply water for filter backwash;

(I) headworks screen washing;

(J) headworks screening washer-compactors;

(K) belt filter press;

(L) other reclaimed water that is permanently plumbed to a fixed nozzle and contained within unit operations;

(M) yard hydrants; and

(N) hose bibs.

Okla. Admin. Code § 252:656-27-1

Added at 29 Ok Reg 1061, eff 7-1-12

Amended by Oklahoma Register, Volume 32, Issue 23, August 17, 2015, eff. 9/15/2015