---
kind: "section"
citation: "40 C.F.R. § 141.624"
title: "40"
number: "141.624"
heading: "Additional requirements for consecutive systems."
url: "https://uscodex.org/cfr/40/141.624"
---

# §141.624. Additional requirements for consecutive systems.


If you are a consecutive system that does not add a disinfectant but delivers water that has been treated with a primary or residual disinfectant other than ultraviolet light, you must comply with analytical and monitoring requirements for chlorine and chloramines in §§ [141.131 (c)](/cfr/40/141.131.md?p=c) and [141.132(c)(1)](/cfr/40/141.132.md?p=c-1) and the compliance requirements in [§ 141.133(c)(1)](/cfr/40/141.133.md?p=c-1) beginning April 1, 2009, unless required earlier by the State, and report monitoring results under [§ 141.134(c)](/cfr/40/141.134.md?p=c).


## Notes

### Source

Source: 71 FR 488, Jan. 4, 2006, 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.