---
kind: "section"
citation: "40 C.F.R. § 141.207"
title: "40"
number: "141.207"
heading: "Special notice of the availability of unregulated contaminant monitoring results."
url: "https://uscodex.org/cfr/40/141.207"
---

# §141.207. Special notice of the availability of unregulated contaminant monitoring results.

- (a) **When is the special notice to be given?** The owner or operator of a community water system or non-transient, non-community water system required to monitor under [§ 141.40](/cfr/40/141.40.md) must notify persons served by the system of the availability of the results of such sampling no later than 12 months after the monitoring results are known.
- (b) **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 3 public notice prescribed in §§ [141.204(c)](/cfr/40/141.204.md?p=c), [(d)(1)](/cfr/40/141.204.md?p=d-1), and [(d)(3)](/cfr/40/141.204.md?p=d-3). The notice must also identify a person and provide the telephone number to contact for information on the monitoring results.

## Notes

### Source

Source: 65 FR 26035, May 4, 2000, 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.