---identifier: "/us/cfr/t33/s157.13"source: "ecfr"legal_status: "authoritative_unofficial"title: "33 CFR § 157.13 - Designated observation area."title_number: 33title_name: "Navigation and Navigable Waters"section_number: "157.13"section_name: "Designated observation area."chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"subchapter_number: "O"subchapter_name: "POLLUTION"part_number: "157"part_name: "RULES FOR THE PROTECTION OF THE MARINE ENVIRONMENT RELATING TO TANK VESSELS CARRYING OIL IN BULK"positive_law: falsecurrency: "2026-04-05"last_updated: "2026-04-05"format_version: "1.1.0"generator: "[email protected]"authority: "33 U.S.C. 1903; 46 U.S.C. 3703, 3703a (note); Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L. 104-55, 109 Stat. 546."regulatory_source: "CGD 74-32, 40 FR 48283, Oct. 14, 1975, unless otherwise noted."cfr_part: "157"---
Identifier
/us/cfr/t33/s157.13
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Coast Guard, Department of Homeland Security
Authority
33 U.S.C. 1903; 46 U.S.C. 3703, 3703a (note); Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L.... 33 U.S.C. 1903; 46 U.S.C. 3703, 3703a (note); Department of Homeland Security Delegation No. 0170.1. Subparts G, H, and I are also issued under section 4115(b), Pub. L. 101-380, 104 Stat. 520; Pub. L. 104-55, 109 Stat. 546.
# 157.13 Designated observation area.Each new vessel must have a designated observation area on the weather deck or above that is:(a) Located where the effluent from each discharge point and manifold described in § 157.11 can be visually observed; and(b) Equipped with:(1) A means to directly stop the discharge of effluent into the sea; or(2) A positive communication system, such as a telephone or a radio, between the observation area and the discharge control position.[CGD 74-32, 40 FR 48283, Oct. 14, 1975, as amended by CGD 76-088b, 48 FR 45720, Oct. 6, 1983]