1. LawStack
  2. Title 40 - Protection of Environment
  3. Chapter I - ENVIRONMENTAL PROTECTION AGENCY
  4. Subchapter D - WATER PROGRAMS
  5. Part 141 - NATIONAL PRIMARY DRINKING WATER REGULATIONS
  6. Subpart T - Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People
  7. Topic - Combined Filter Effluent Requirements
  8. 40 CFR § 141.553
40 CFR § 141.553
My system practices lime softening—is there any special provision regarding my combined filter effluent?
June 9, 2020
CFR

If your system practices lime softening, you may acidify representative combined filter effluent turbidity samples prior to analysis using a protocol approved by the State.

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§ 141.552 My system consists of “alternative filtration” and is required to conduct a demonstration—what is required of my system and how does the State establish my turbidity limits?

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