Water Use Rules in Commerce City, CO (2026)
1 verified water use rules for Commerce City, Colorado, sourced directly from the municipal code and official government pages.
Verified from official government sources
Recycled Water Rules
Commerce City's amended residential plumbing code lets builders install graywater collection and reuse systems for toilet flushing and subsurface irrigation, but only under specific backflow, filtration, dye and tank rules added at Sections P2901.2.3 through P2911.7.4 of the City of Commerce City Residential Code.
Commerce City Graywater Reuse Standards
Some RestrictionsCommerce City Revised Municipal Code § 5-4201
P2901.2.3 Graywater for toilet flushing. Graywater used for toilet flushing shall be dyed with blue or green food grade vegetable dye and be visibly distinct from potable water. ... P2902.5.6 Connection to graywater system. The potable water system connection to a graywater system must be protected against backflow by an air gap or reduced pressure principle backflow prevention assembly. ... P2...
Looking for Adams County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Commerce City city rules.
Water Use Rules in Adams County →