States / Illinois / Downers Grove

Downers Grove, IL grease trap & interceptor requirements

Program run by Downers Grove Sanitary District (DGSD). Hand-checked against source Last checked 2026-10-17. Report an error / rule changed

Quick answer

From the official source(s) below, last checked 2026-10-17. Rules change; verify with your city.

Need a pump-out? See 4 pumping companies serving Downers Grove ↓

Rules change; verify with your city. Summaries are plain-English restatements of the official source linked below; “Source says” shows the exact wording. Blank rows mean the sources we checked did not state that rule, not that there is no rule.

Required trap / interceptor type
DGSD Ordinance Section 7: grease separators are required in buildings such as meat packing plants, hotels, restaurants and other institutions serving large numbers of meals, and interceptors are required when the District Manager deems them necessary.
DGSD Pretreatment Ordinance: discharges containing more than 100 mg/L fats, oils and grease are prohibited.
âś“ checked against source
Sizing rule
DGSD publishes standard 1,000-gallon and 1,800-gallon grease trap details on its forms page. Illinois Plumbing Code minimum: the interceptor must hold at least half the liquid capacity of the connected fixtures on the same floor (60% if it sits on a floor below); fixture capacity in gallons = length Ă— width Ă— depth in inches Ă· 231.
âś“ checked against source
Pumping / cleaning frequency
DGSD Ordinance Section 8: interceptors must be maintained by the owner, at the owner’s expense, in continuously efficient operation.
âś“ checked against source
Permit required?Not stated in the sources we checked
Permit & program fees
DGSD rate for hauled grease separator waste: $70.00 per 1,000 gallons.
âś“ checked against source
InspectionsNot stated in the sources we checked
Record keepingNot stated in the sources we checked
Pumper / hauler approval
Haulers who discharge grease separator waste at the DGSD treatment plant need a DGSD Waste Transporter Permit (insurance naming DGSD and Illinois Dept. of Agriculture vehicle permits are part of the application).
âś“ checked against source
Reporting portalNot stated in the sources we checked
Fines & penaltiesNot stated in the sources we checked
Program contactNot stated in the sources we checked

Sources

Grease trap pumping companies in Downers Grove, IL

4 companies that say on their own website they serve Downers Grove. Free listings are sorted A–Z. A listing is not an endorsement.

Before you book: Downers Grove has hauler rules (see the table above). Ask the company to confirm it is approved for Downers Grove, and keep a signed manifest for every pump-out.

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Size your interceptor

Use the grease interceptor sizing calculator (UPC, IPC and PDI methods), then confirm Downers Grove's own minimums above. Not sure how often to pump? Read how often to pump a grease trap.

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