What matters for project planning
The City of Champaign requires a permit (a $70 fee) for new or modified connections to the municipal stormwater drainage system and is the permitting authority for land-disturbing activity, requiring an approved stormwater control plan for qualifying construction projects. Champaign coordinates that permitting with Champaign County, the City of Urbana, the University of Illinois, and the Village of Savoy through the Champaign County Stormwater Partnership's shared MS4 permit program. Exterior equipment pads and condensate drainage changes can intersect with Champaign's stormwater permitting requirements, worth checking before installation.
Official sources
Verify the property, not just the city
General city-level facts do not tell you a specific parcel's flood zone, historic status, or soil conditions—get those confirmed for your address before work begins.
Sources reviewed 2026-07-26. External requirements and maps can change.