Water Use Rules in Boise, ID (2026)
2 verified water use rules for Boise, Idaho, sourced directly from the municipal code and official government pages.
Verified from official government sources
Turf Replacement Rebates
New Boise developments must cap water-hungry lawn grass like Kentucky Bluegrass at 33% of landscaped area and ban decorative turf in medians, traffic circles, and parking lot islands.
Boise Limits Kentucky Bluegrass Lawns to 33%
Some RestrictionsBoise City Code § 11-04-09.3.E
Lawn areas shall be a drought-tolerant and/or adaptive sod or seed mix that is appropriate to the natural conditions found at the site, except that lawn species that require regular mowing or maintenance, such as Kentucky Bluegrass: i. Shall not exceed 33 percent of the landscaped area on a site... In all zoning districts, any area that does not provide recreational value or is used solely for ...
Recycled Water Rules
Boise requires any reclaimed or reuse water system to be designed, permitted, and inspected under state rules, with municipally reclaimed water mandatory for irrigation near mains.
Boise Reclaimed Water Reuse System Rules
Some RestrictionsBoise City Code § 9-13-38
601.1.2 Reclaimed Water. The design of any reclaimed water and/or reuse system must be permitted and approved by the Idaho Department of Environmental Quality (IDEQ) in accordance with IDAPA 58.01.17, "Recycled Water Rules." All planning, design, and operation of any reuse facilities shall be under the authority of IDEQ. All piping associated with the collection and distribution of these system...
Looking for Ada County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Boise city rules.
Water Use Rules in Ada County →