Oklahoma Administrative Code
Title 252 - Department of Environmental Quality
Chapter 656 - Water Pollution Control Facility Construction Standards
Subchapter 27 - Water Reuse
Section 252:656-27-1 - Categories of reclaimed water

Universal Citation: OK Admin Code 252:656-27-1

Current through Vol. 41, No. 13, March 15, 2024

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.

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

Disclaimer: These regulations may not be the most recent version. Oklahoma may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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