GroundRules
40 CFR 141.521: What updated watershed control requirements must my unfiltered system implement to continue to avoid filtration?
Where this section sits in the code
- Title 40—Protection of Environment
- CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
- SUBCHAPTER D—WATER PROGRAMS
- PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS
- Subpart T—Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People
Your system must take any additional steps necessary to minimize the potential for contamination by Cryptosporidium oocysts in the source water. Your system's watershed control program must, for Cryptosporidium:
(a) Identify watershed characteristics and activities which may have an adverse effect on source water quality; and
(b) Monitor the occurrence of activities which may have an adverse effect on source water quality.
Collected 2026-08-27T02:26:04Z. Source file · JSON