40 CFR § 412.22 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

---
identifier: "/us/cfr/t40/s412.22"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 412.22 - Effluent limitations attainable by the application of the best practicable control technology currently available (BPT)."
title_number: 40
title_name: "Protection of Environment"
section_number: "412.22"
section_name: "Effluent limitations attainable by the application of the best practicable control technology currently available (BPT)."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "412"
part_name: "CONCENTRATED ANIMAL FEEDING OPERATIONS (CAFO) POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342, 1361."
regulatory_source: "68 FR 7269, Feb. 12, 2003, unless otherwise noted."
cfr_part: "412"
---


# 412.22 Effluent limitations attainable by the application of the best practicable control technology currently available (BPT).

(a) Except as provided in 40 CFR 125.30 through 125.32, 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 (BPT):

| Regulated parameter | Maximum daily | Maximum monthly average | Maximum daily | Maximum monthly average |
| --- | --- | --- | --- | --- |
| BOD | 3.66 | 2.0 | 1.66 | 0.91 |
| Fecal coliform | () | () | () | () |
| Pounds per 1000 ducks. |  |  |  |  |
| Kilograms per 1000 ducks. |  |  |  |  |
| Not to exceed MPN of 400 per 100 ml at any time. |  |  |  |  |

(b) [Reserved]