Mesa regulates stormwater discharges under its National Pollutant Discharge Elimination System (NPDES) Municipal Separate Storm Sewer System (MS4) permit. The city prohibits illicit discharges to the storm drain system under Mesa City Code Title 8, Chapter 5. Construction sites disturbing one or more acres must obtain an Arizona Pollutant Discharge Elimination System (AZPDES) permit and implement a Stormwater Pollution Prevention Plan (SWPPP).
Mesa enforces stormwater management regulations to prevent flooding and protect water quality. New construction and major renovations must include stormwater management plans. Impervious surface limits may apply in residential zones. Low-impact development techniques like rain gardens, permeable pavers, and bioswales are encouraged or required. Erosion and sediment control plans needed during construction. Post-construction stormwater facilities must be maintained by property owners. Municipal separate storm sewer system (MS4) permits govern city-wide discharge.
Failure to implement stormwater plan: stop-work order. Illicit discharge to storm drains: fines $500 to $10,000. Maintenance failures: notice and fines after non-compliance.
Mesa, AZ
Mesa allows recreational backyard fires under International Fire Code Section 307, adopted in Mesa City Code Title 7. Recreational fires must stay at least 2...
Mesa, AZ
Mesa does not have its own smoke alarm ordinance separate from state and code requirements. Arizona Revised Statutes Sec. 36-1637 requires an approved smoke ...
Mesa, AZ
Mesa has no city ordinance restricting lawn ornaments, statuary, or year-round decorations on residential property. Mesa Code requires property maintenance b...
Mesa, AZ
Mesa has no city ordinance regulating residential inflatable holiday displays. Size, lighting hours, and blower noise are governed by HOA CC&Rs, which apply ...
Mesa, AZ
Mesa has no municipal ordinance regulating residential holiday lights. Installation timing, brightness, and animated displays are governed by HOA CC&Rs in Me...
Mesa, AZ
Mesa requires building permits for outdoor kitchens with gas lines, plumbing, electrical wiring, or structural roofs under Mesa Building Code and the adopted...
Side-by-side rule comparisons with other cities in Maricopa County.
See how other cities in Maricopa County handle stormwater management.
See how Mesa's stormwater management rules stack up against other locations.
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