Environmental Rules in Peoria, AZ (2026)
4 verified environmental rules for Peoria, Arizona, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Peoria bans discharging anything but stormwater into its municipal storm drain system and prohibits illicit connections outright. City Code Section 24-130 lists narrow exemptions like landscape irrigation, air conditioning condensate, and individual residential car washing, but anything else that reaches a storm drain or wash, including pool chemicals or construction runoff, violates the ordinance and draws enforcement from the City Manager's office.
Peoria AZ Storm Drain Discharge Rules
Significant RestrictionsPeoria City Code § 24-130
(a) Prohibition of Illegal Discharges. No person shall discharge or cause to be discharged into the municipal storm sewer system or watercourses any materials, including but not limited to pollutants or waters containing any pollutants that cause or contribute to a violation of applicable water quality standards. This prohibition shall not apply to stormwater. ... The following discharges are...
Erosion Control
Peoria requires a Storm Water Pollution Prevention Plan before it issues a grading permit for any site subject to earthwork. Section 20-258(e) ties the SWPPP directly to the NPDES program and points builders to the City's Infrastructure Development Guideline for the specific erosion-control measures. The Engineering Director can also add anti-erosion devices and debris basins as conditions on the permit itself.
Peoria AZ Construction Erosion Control
Some RestrictionsPeoria City Code § 20-258(a),(e)
(a) Application. To obtain a grading permit, the applicant shall file in writing on a form furnished by the Engineering Director and obtain permit. ... (e) Storm Water Pollution Prevention Plan (SWPPP) as per the NPDES program, shall be submitted by the owner or his representative with the grading and drainage plan. The requirements of the erosion control plan are listed in the Infrastructu...
Flood Zones
Peoria requires a Development Permit from the Floodplain Administrator before any construction, fill, or manufactured home placement in a Special Flood Hazard Area, with the lowest floor elevated to or above the regulatory flood elevation. Violations are a class 2 misdemeanor plus civil penalties.
Peoria AZ Floodplain Development Rules
Significant RestrictionsPeoria City Code § 20-222
A Development Permit shall be obtained before construction or development begins, including placement of manufactured homes, within any area of special flood hazard established in Section 20-207... A. Proposed elevation in relation to mean sea level of the lowest floor (including basement) of all structures.
Flood Elevation Requirements
Peoria's floodplain code defines the base flood elevation as the computed 100-year flood level, then adds a one-foot freeboard on top of it as the Regulatory Flood Elevation. New or substantially improved residential construction in Zones AE, AH and A1-30 must have its lowest floor built to or above that elevation, certified by a licensed engineer or surveyor.
Peoria Base Flood Elevation Freeboard Rule
Some RestrictionsPeoria City Code § 20-205
Base flood elevation (BFE). The computed elevation to which floodwater is anticipated to rise during the base flood. ... Regulatory Flood Elevation (RFE). An elevation one (1) foot above the base flood elevation.
Looking for Maricopa County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Peoria city rules.
Environmental Rules in Maricopa County →