---
kind: "section"
citation: "40 C.F.R. § 427.22"
title: "40"
number: "427.22"
heading: "Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available."
url: "https://uscodex.org/cfr/40/427.22"
---

# §427.22. Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available.


Except as provided in [§§ 125.30 through 125.32](/cfr/40/125.30..125.32.md), any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available (BPT):


## Notes

### Amendments

[39 FR 7527, Feb. 26, 1974, as amended at 60 FR 33960, June 29, 1995]

### Authority

Authority: Secs. 301, 304 (b) and (c), 306 (b) and (c), 307(c), Federal Water Pollution Control Act, as amended; 33 U.S.C. 1251, 1311, 1314 (b) and (c), 1316 (b) and (c), 1317(c); 86 Stat. 816 et seq.; Pub. L. 92-500.

### Source

Source: 39 FR 7527, Feb. 26, 1974, unless otherwise noted.

### Amendments

[39 FR 7527, Feb. 26, 1974, as amended at 60 FR 33960, June 29, 1995]
