Iowa Code
Chapter 104B - MINIMUM PLUMBING FACILITIES
Section 104B.1 - Minimum plumbing facilities.

104B.1 Minimum plumbing facilities.
1. Places of assembly for public use including but not limited to theaters, auditoriums, and convention halls, constructed on or after January 1, 1991, shall conform to the standards for minimum plumbing facilities as provided in the uniform plumbing code.
2. Restaurants, pubs, and lounges constructed on or after January 1, 1991, shall conform to the standards for minimum plumbing facilities as provided in the uniform plumbing code.
3. All toilets installed pursuant to this section shall be water efficient toilets which use three gallons or less of water per flush.
90 Acts, ch 1214, §1; 2011 Acts, ch 95, §4