---
kind: "section"
citation: "33 C.F.R. § 159.53"
title: "33"
number: "159.53"
heading: "General requirements."
url: "https://uscodex.org/cfr/33/159.53"
---

# §159.53. General requirements.


A device must:

- (a) Under the test conditions described in §§ [159.123](/cfr/33/159.123.md) and [159.125](/cfr/33/159.125.md), produce an effluent having a fecal coliform bacteria count not greater than 1,000 per 100 milliliters and no visible floating solids (Type I),
- (b) Under the test conditions described in §§ [159.126](/cfr/33/159.126.md) and [159.126a](/cfr/33/159.126a.md), produce an effluent having a fecal coliform bacteria count not greater than 200 per 100 milliliters and suspended solids not greater than 150 milligrams per liter (Type II), or
- (c) Be designed to prevent the overboard discharge of treated or untreated sewage or any waste derived from sewage (Type III).

## Notes

### Amendments

[CGD 73-83, 40 FR 4624, Jan. 30, 1975, as amended by CGD 75-213, 41 FR 15325, Apr. 12, 1976]

### Authority

Authority: 33 U.S.C. 1322(b)(1); 49 CFR 1.45(b). Subpart E also issued under authority of sec. 1(a)(4), Pub. L. 106-554, 114 Stat. 2763; DHS Delegation No. 00170.1, Revision No. 01.4.

### Source

Source: CGD 73-83, 40 FR 4624, Jan. 30, 1975, unless otherwise noted.

### Amendments

[CGD 73-83, 40 FR 4624, Jan. 30, 1975, as amended by CGD 75-213, 41 FR 15325, Apr. 12, 1976]