Permeable resin-bound surfacing can be part of a Naperville stormwater design when it is the surface of an engineered permeable section and the reviewing engineer accepts that section as a best management practice. Bonded over an existing driveway or parking slab, it is a cosmetic upgrade and should not be counted for stormwater.

Naperville straddles DuPage and Will counties, and DuPage County lists the City as a partial waiver community under the Countywide Stormwater and Floodplain Ordinance. In practice that means two layers of review on many projects, a downtown built along the West Branch DuPage River, and subdivisions where the question is usually how much water can stay on the lot rather than how fast it can leave.

Who reviews what: the City, DuPage County and Will County

In DuPage County, enforcement of the countywide ordinance rests with the municipalities, but not equally. Communities hold full waiver, partial waiver or non-waiver status, and Naperville is listed as partial waiver. Some parts of a project's stormwater review sit with the City's engineering staff and some remain with DuPage County Stormwater Management. Ask at the pre-application meeting which pieces of your project, such as floodplain or wetland work, go to the County.

The ordinance is also being clarified. Since late 2024 the County has been developing a guidance document and training program, working with an ad-hoc group of municipal engineers that includes a Naperville representative. Projects in the City's Will County area follow City code alongside Will County's stormwater program. In every case, permeable pavement is a design choice the reviewer evaluates on the submitted section, not a pre-approved product.

Clay till, river floodplain and Chicago-area winters

Much of Naperville is built on clay-rich glacial till, so the project engineer should assume infiltration testing will push the design toward an underdrained section unless borings show otherwise. That still has value: an open-graded stone reservoir under the resin-bound surface can hold water and release it slowly, which is the same job a detention basin does on a larger footprint.

Near the West Branch DuPage River, the DuPage River and their tributaries, mapped floodplain and seasonal groundwater matter more than surface finish. Keep the base above the seasonal water table and out of floodplain storage calculations unless the reviewer agrees. Freeze-thaw cycling, plowing and de-icing salt round out the design brief: frost-aware base depth, fines-free stone, and a winter plan that keeps sand off the surface.

Subdivisions, the Riverwalk and the I-88 corridor

Homeowner association common areas and clubhouse walks in the City's newer subdivisions, where boards want less runoff toward neighbors.
Downtown plazas and outdoor dining near the Riverwalk, where a smooth, accessible surface has to drain fast after a storm.
Office campuses along the I-88 corridor being reworked for new tenants, where rebuilding a parking court is a chance to cut runoff.
School and park paths that need wheelchair-friendly surfaces without adding impervious area.
Driveway replacements on lots with chronic yard ponding, built as true permeable sections rather than overlays.

Getting a section approved, and what Resin Rock supplies

Bring borings, infiltration results, a cross-section and a maintenance plan to the City's engineering review, and expect the County to weigh in where its role applies. If your site is in Will County, confirm the county requirements at the same time so one design satisfies both.

Resin Rock is a manufacturer-supplier, not an installer. We ship binder, stone blends, trims and Rock Crete permeable sub-base, publish technical data sheets your engineer can cite, and connect you with an approved installer. Contractors who want to add permeable work can join our Illinois installer training.

Before you specify permeable resin-bound in Naperville

Ask the City which review steps stay with DuPage County for your parcel
Check whether the site lies in Will County and which county rules apply
Get borings and infiltration tests before choosing an infiltrating or underdrained section
Map floodplain and seasonal groundwater near the DuPage River branches
Write a maintenance plan covering vacuum sweeping and winter care without sand

Common questions about permeable resin-bound in Naperville

Does the City or DuPage County review my stormwater plan?

Often both. DuPage County lists Naperville as a partial waiver community under the countywide ordinance, so the City handles much of the stormwater review while some elements stay with DuPage County Stormwater Management. Which pieces go where depends on your project, so raise it at the pre-application meeting. Sites in the Will County part of the City follow City code and the Will County program.

Will a resin-bound overlay on my driveway help with flooding in my subdivision?

No. An overlay on existing concrete lets rain through the top layer, but the water still runs off the slab underneath. To help, the old driveway has to come out and a permeable section go in, with an open-graded stone base and, on Naperville's clay soils, usually an underdrain sized by an engineer.

Does Naperville offer a stormwater fee credit for permeable paving?

We have not found a Naperville stormwater fee or credit program that a permeable surface would reduce. The practical payoff is on the design side: an engineered permeable section can carry part of a site's storage and water quality needs on ground that is already paved, which can free up land that a basin would otherwise take.

Is permeable resin-bound approved for use in Naperville?

There is no product approval to point to, and we would not claim one. Reviewers judge the whole section: base, soils, outlet and maintenance. Resin Rock supplies technical data sheets so your engineer can document the wearing course and Rock Crete base, but acceptance for any stormwater requirement is the reviewer's call on your project.

Official sources for Naperville

Local rules change. We last checked these sources in October 2026. Confirm current requirements with the reviewing agency before you design, and treat this page as a starting point, not engineering or permitting advice.

Permeable Resin-Bound Surfacing in Naperville, IL