Environmental Rules in Naperville, IL (2026)
5 verified environmental rules for Naperville, Illinois, sourced directly from the municipal code and official government pages.
Verified from official government sources
Stormwater Management
Naperville manages stormwater through storm sewers, detention basins, and overflow routes. Property owners must keep storm sewer inlets clear. No dumping of debris or chemicals into storm sewers. DuPage County Stormwater Ordinance also applies.
Naperville Stormwater Management Rules
Some RestrictionsErosion Control
Naperville requires erosion and sediment control for all land-disturbing activities under Title 5, Chapter 7 (Storm Runoff Control). Construction projects must submit stormwater management plans showing erosion control measures. The city adopts DuPage County's Stormwater and Flood Plain Management Ordinance for flood plain areas.
Naperville Erosion Control Requirements
Some RestrictionsCoastal Development
Naperville is not a coastal city. There are no coastal development regulations, Coastal Commission requirements, or shoreline setback rules. The city is located approximately 30 miles inland from Lake Michigan in DuPage and Will counties.
Naperville Coastal Development
Few RestrictionsFlood Zones
Naperville participates in the National Flood Insurance Program (NFIP). Properties in FEMA-designated flood zones must carry flood insurance and meet elevation requirements. DuPage County manages floodplain identification and stormwater certification.
Naperville Flood Zone & FEMA Requirements
Some RestrictionsGrading & Drainage
Naperville requires proper grading to direct water away from structures and neighboring properties. Sump pump discharge to streets or sidewalks is prohibited. Development projects must comply with DuPage County Stormwater Ordinance for drainage plans.
Naperville Grading & Drainage Rules
Some RestrictionsLooking for DuPage County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Naperville city rules.
Environmental Rules in DuPage County →