---
kind: "section"
citation: "40 C.F.R. § 463.3"
title: "40"
number: "463.3"
heading: "Monitoring and reporting requirements."
url: "https://uscodex.org/cfr/40/463.3"
---

# §463.3. Monitoring and reporting requirements.


The “monthly average” regulatory values shall be the basis for the monthly average effluent limitations guidelines and standards in direct discharge permits. Compliance with the monthly average effluent limitations guidelines and standards is required regardless of the number of samples analyzed and averaged.


## Notes

### Authority

Authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307, 308, and 501, Clean Water Act (Federal Water Pollution Control Act Amendments of 1972, as amended by Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311, 1314 (b), (c), (e) and (g), 1316 (b) and (c), 1317 (b) and (c), 1318, and 1361; 86 Stat. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217.

### Source

Source: 49 FR 49047, Dec. 17, 1984, unless otherwise noted.
