SECTION 252:656-27-5. Storage, retreatment and chlorination

(a)   Storage. Reclaimed water may be stored as follows:

(1)   Storage tanks. Categories 2-5 reclaimed water may be stored in storage tanks that meet NSF or ASTM standards for public water supply storage tanks.

(2)   Open storage basins. Categories 2 and 3 reclaimed water may be stored in open storage basins that are permitted and constructed in compliance with OAC 252:656-11-3 and operated as a lagoon in accordance with OAC 252:619 or OAC 252:621.

(3)   Lagoons. Categories 4 and 5 reclaimed water may be stored in lagoons that are permitted and constructed in compliance with OAC 252:656-11-3 and operated in accordance with OAC 252:619 or OAC 252-621.

(b)   Retreatment. Following storage in an open storage basin, Category 2 reclaimed water shall be retreated with filtration and chlorination, at a minimum, to prevent slime growth and regrowth of pathogens to end-of-pipe.

[Source: Added at 29 Ok Reg 1061, eff 7-1-12]