Okla. Admin. Code § 252:628-3-3

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

Section 252:628-3-3 - IPR benchmarks for pathogens

(a)Disinfection. IPR Source Water shall be disinfected in accordance with OAC 252:656-21. The method of disinfection from secondary treated effluent to IPR end of pipe discharge shall achieve:

(1) 5-log removal or inactivation of adenovirus type 15;

(2) 5-log removal or inactivation of Salmonella ty-phimurium;

(3) 3-log removal or inactivation of Cryptosporidium oocysts; and

(4) 3-log removal or inactivation of Giardia lamblia cysts.

(b)Removal credits. Compliance with paragraph (a) shall be determined in accordance with the construction standards for disinfection of Category 2 reclaimed water in OAC 252:656-21. Removal credits for Cryptosporidium oocysts may be based on test data provided by the Permittee to DEQ for review.

(c)Total coliform. There shall be no detectable (less than 2 per 100 milliliters) bacteria of the total coliform group in the discharge. Total coliform shall be monitored daily by grab sample.

(d)Total residual chlorine. There shall be no measurable amount (less than 0.1 milligrams per liter) of TRC or, if another halogen is used for disinfection, TRO in the discharge. TRC or TRO shall be monitored daily.

Okla. Admin. Code § 252:628-3-3

Adopted by Oklahoma Register, Volume 35, Issue 24, September 4, 2018, eff. 9/15/2018