§141.521. What updated watershed control requirements must my unfiltered system implement to continue to avoid filtration?
40 C.F.R. § 141.521
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:
Identify watershed characteristics and activities which may have an adverse effect on source water quality; and
Monitor the occurrence of activities which may have an adverse effect on source water quality.
Notes, amendments, and revision history
Source
Source: 67 FR 1839, Jan. 14, 2002, unless otherwise noted.
Authority
Authority: 42 U.S.C. 300f, 300g-1, 300g-2, 300g-3, 300g-4, 300g-5, 300g-6, 300j-4, 300j-9, and 300j-11.
Source
Source: 40 FR 59570, Dec. 24, 1975, unless otherwise noted.