INBOARD MOTORBOAT EXHAUST REQUIREMENTS.
Austin City Code § 8-5-62
in effect§ 8-5-62 - INBOARD MOTORBOAT EXHAUST REQUIREMENTS.
(A) Except as provided in Section 8-5-64 (Motorboat Exhaust Systems During Special Events), this section prescribes requirements for a motorboat with an inboard internal combustion engine that is operated on Lake Austin, Lady Bird Lake, or Lake Long.
(B) Except as provided in Subsection (C), a motorboat must have a muffler installed in the exhaust system.
(C) A motorboat with an exhaust water manifold:
(1) may have baffle installed in the exhaust system instead of a muffler; or
(2) if the exhaust pipe goes through an original factory-designed transom, a riser may be installed in the exhaust system instead of a muffler or baffle.
(D) A muffler, riser, baffle, or exhaust water manifold required by this section must be:
(1) designed for marine use;
(2) a commercially made, over-the-counter stock item;
(3) kept in good working order; and
(4) capable of reducing exhaust noise.
Source: 1992 Code Section 14-2-3; Ord. 031009-11; Ord. 031211-11; Ord. No. 20190307-014, Pt. 9, 3-18-19.
Source: City of Austin, City Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/tx/austin/codes/code_of_ordinances?nodeId=TIT8PARE_CH8-5WAACUS_ART4WA_DIV1STEXRE_S8-5-62INMOEXREFetched: 10/27/2026