# Prohibited areas.

**Citation:** 33 CFR 156.310  
**Type / status:** regulation / current  
**Agency:** United States Coast Guard  
**Effective:** 2026-08-18  
**Published:** Not stated

Lightering operations and STS Operations are prohibited within the following areas in the Gulf of America:

(a) Claypile—prohibited area. This prohibited area consists of the waters bounded by a line connecting the following points beginning at:

Latitude N. Longitude W. 28°15′00″, 94°35′00″, thence

## Document text

Lightering operations and STS Operations are prohibited within the following areas in the Gulf of America:

(a) Claypile—prohibited area. This prohibited area consists of the waters bounded by a line connecting the following points beginning at:

Latitude N. Longitude W. 28°15′00″, 94°35′00″, thence to 27°40′00″, 94°35′00″, thence to 27°40′00″, 94°00′00″, thence to 28°33′00″, 94°00′00″, and thence to the point of beginning.

(NAD 83)

(b) Flower Garden—prohibited area. This prohibited area consists of the waters bounded by a line connecting the following points beginning at:

Latitude N. Longitude W. 27°40′00″, 94°00′00″, thence to 28°18′00″, 94°00′00″, thence to 28°18′00″, 92°38′00″, thence to 28°30′00″, 92°38′00″, thence to 28°15′00″, 91°30′00″, thence to 27°40′00″, 91°30′00″, and thence to the point of beginning.

(NAD 83)

(c) Ewing—prohibited area. This prohibited area consists of the waters bounded by a line connecting the following points beginning at:

Latitude N. Longitude W. 27°53′00″, 91°30′00″, thence to 28°15′00″, 91°30′00″, thence to 28°15′00″, 90°10′00″, thence to 27°53′00″, 90°10′00″, and thence to the point of beginning.

(NAD 83)

[CGD 93-081, 60 FR 45017, Aug. 29, 1995, as amended by USCG-2010-0194, 80 FR 5935, Feb. 4, 2015]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-33/section-156.310>
- Source ID: `ecfr`
- SHA-256: `e24a07994be4057a28663cb4b83c670fa5515032c7405ac8fa89d595322b1c1f`
- Retrieved: 2026-08-20T06:28:21.529Z
- Exported: 2026-08-24T12:12:07.253Z
- Document slug: `33-cfr-156-310`

### Source metadata

```json
{
  "cfrTitle": 33,
  "part": "156",
  "section": "156.310",
  "subpart": "Subpart C—Lightering Zones and Operational Requirements for the Gulf of America",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```