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Utah Code Title 19. Environmental Quality Code § 19-5-116. Limitation on effluent limitation standards for BOD, Total Suspended Solids, Bacteria, and pH for domestic or municipal sewage

Current as of January 01, 2024 | Updated by FindLaw Staff

Unless required to meet instream water quality standards or federal requirements established under the federal Clean Water Act,  1 the board may not establish, under Section 19-5-104, effluent limitation standards for Biochemical Oxygen Demand (BOD), Total Suspended Solids (SS), Bacteria, and pH for domestic or municipal sewage that are more stringent than the following:

(1) Biochemical Oxygen Demand (BOD): The arithmetic mean of BOD values determined on effluent samples collected during any 30-day period may not exceed 25 mg/l, nor shall the arithmetic mean exceed 35 mg/l during any seven-day period.

(2) Total Suspended Solids (SS): The arithmetic mean of SS values determined on effluent samples collected during any 30-day period may not exceed 25 mg/l, nor shall the arithmetic mean exceed 35 mg/l during any seven-day period.

(3) Bacteria:

(a) The geometric mean of total coliforms and fecal coliform bacteria in effluent samples collected during any 30-day period may not exceed either 2000/100 ml for total coliforms or 200/100 ml for fecal coliforms. The geometric mean during any seven-day period may not exceed 2500/100 ml for total coliforms or 250/100 for fecal coliforms.

(b) The geometric mean of E. coli bacteria in effluent samples collected during any 30-day period shall not exceed 126 per 100 mL nor shall the geometric mean exceed 158 per 100 mL respectively during any 7-day period.

(4) pH: The pH level shall be maintained at a level not less than 6.5 or greater than 9.0.

1 33 U.S.C.A. § 1251 et seq.
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Cite this article: FindLaw.com - Utah Code Title 19. Environmental Quality Code § 19-5-116. Limitation on effluent limitation standards for BOD, Total Suspended Solids, Bacteria, and pH for domestic or municipal sewage - last updated January 01, 2024 | https://codes.findlaw.com/ut/title-19-environmental-quality-code/ut-code-sect-19-5-116.html

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