StacksVerified U.S. regulatory reference

40 CFR §141.211

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov
  1. (a)When is the special notice for repeated failure to monitor to be given? The owner or operator of a community or non-community water system that is required to monitor source water under § 141.701 must notify persons served by the water system that monitoring has not been completed as specified no later than 30 days after the system has failed to collect any 3 months of monitoring as specified in § 141.701(c). The notice must be repeated as specified in § 141.203(b).
  2. (b)When is the special notice for failure to determine bin classification or mean Cryptosporidium level to be given? The owner or operator of a community or non-community water system that is required to determine a bin classification under § 141.710, or to determine mean Cryptosporidium level under § 141.712, must notify persons served by the water system that the determination has not been made as required no later than 30 days after the system has failed report the determination as specified in § 141.710(e) or § 141.712(a), respectively. The notice must be repeated as specified in § 141.203(b). The notice is not required if the system is complying with a State-approved schedule to address the violation.
  3. (c)What is the form and manner of the special notice? The form and manner of the public notice must follow the requirements for a Tier 2 public notice prescribed in § 141.203(c). The public notice must be presented as required in § 141.205(c).
  4. (d)What mandatory language must be contained in the special notice? The notice must contain the following language, including the language necessary to fill in the blanks.
    1. (1)The special notice for repeated failure to conduct monitoring must contain the following language:
    2. (2)The special notice for failure to determine bin classification or mean Cryptosporidium level must contain the following language:
    3. (3)Each special notice must also include a description of what the system is doing to correct the violation and when the system expects to return to compliance or resolve the situation.