States / Illinois / DeKalb

DeKalb, IL grease trap requirements

Program run by Kishwaukee Water Reclamation District (KWRD). Hand-checked against source Last verified 2026-10-19 by Stew Israil, GreaseTrapRules. Report an error / rule changed

Quick answer

How often to pump: The official sources we checked don't set a fixed schedule for DeKalb. Most programs require pumping before grease and solids reach 25% of the trap's depth (check yours). Confirm with Kishwaukee Water Reclamation District (KWRD) at (815) 758-3513.
Interceptor minimum / sizing: No minimum size stated in the sources we checked. Your local program or plumbing code sets it; estimate with the sizing calculator.
Permit / fees: Not stated in the sources we checked. Ask Kishwaukee Water Reclamation District (KWRD) at (815) 758-3513 whether a FOG or wastewater permit applies.

From the official source(s) below, last checked 2026-10-19. Rules change; verify with your city.

Am I compliant in DeKalb?

Six quick questions, checked against DeKalb's sourced rules. Nothing is saved.

Free printable cleaning log & inspection checklist for DeKalb

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Tell us what you need and we'll send your request to the Featured grease trap service companies in DeKalb, IL, with a copy to us. If there are none yet, it comes only to us and we may reply to help you find someone. Free, no obligation. For restaurants and for property, building and facility managers.

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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.

DeKalb grease trap rules at a glance

Grease trap and FOG (fats, oils and grease) rules for restaurants in DeKalb are set by Kishwaukee Water Reclamation District (KWRD). The official sources we checked do not set a fixed pumping interval for DeKalb, so plan on pumping before grease and solids reach 25% of the trap (the most common rule) and follow any schedule on your permit. Pumping must be done by an approved or licensed hauler. The ordinance sets penalties for violations (see Fines & penalties below).

Of the 47 Illinois programs we track, 14 state a pumping schedule and 6 require a permit. We have not verified a pumping company for DeKalb yet; see Illinois pumping companies. Compare all Illinois cities.

Illinois statewide rule: Illinois Plumbing Code § 890.510

Commercial kitchens must have a grease interceptor, with all grease-carrying fixtures directed to it.
Food waste disposers may not discharge into the grease interceptor, and water-cooled interceptors are prohibited.
Minimum size: 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 × width × depth in inches ÷ 231.
Your sanitary district or city (for example MWRD, Fox Metro or a city FOG program) can add pumping schedules, permits and hauler rules on top of this.

Source: 77 Ill. Adm. Code 890.510, Grease interceptors · checked 2026-10-17

DeKalb grease trap & interceptor rules, line by line

Required trap / interceptor type	Consult the District on grease trap specifications when building or remodeling. ✓ checked against source
Sizing rule	Not stated in the sources we checked
Pumping / cleaning frequency	Not stated in the sources we checked
Permit required?	Not stated in the sources we checked
Permit & program fees	Not stated in the sources we checked
Inspections	KWRD makes random, unscheduled inspections of food-licensed businesses to check that grease traps are in good condition and cleaned regularly (no hot water or degreasers). ✓ checked against source
Record keeping	Not stated in the sources we checked
Pumper / hauler approval	Hauled grease may only be discharged at the KWRD plant (1301 Sycamore Rd) with a District hauler permit, 30 minutes' notice and a manifest. ✓ checked against source
Reporting portal	Not stated in the sources we checked
Fines & penalties	A business that causes a sewer blockage pays the cleanup cost and may be fined up to $1,000 per day, required to install a larger trap, or disconnected. ✓ checked against source
Program contact	(815) 758-3513 ✓ checked against source

Sources

https://www.kishwrd.com/business-and-industry · checked 2026-10-19

Featured spots in DeKalb: 3 of 3 available. Limited to 3 companies per city. For pumping companies

Grease trap cleaning & pumping companies in DeKalb, IL

No verified pumping company for DeKalb yet. Free listings are sorted A–Z. A listing is not an endorsement.

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

Featured spot open. Be the first pumper restaurants see in DeKalb. 3 of 3 spots left
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Size your interceptor

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

DeKalb grease trap FAQ

Who enforces grease trap rules in DeKalb, IL?

Kishwaukee Water Reclamation District (KWRD) (program contact: (815) 758-3513). Contact them for permits, inspections and approved haulers.

Nearby Illinois cities

Arlington Heights Aurora Bartlett Bloomington Carol Stream Champaign Chicago Cicero Decatur Des Plaines Downers Grove Edwardsville

Grease trap guides

For property and building managersTenant vs landlord, shared interceptors, records How often to pumpThe 25% rule and city schedules FOG inspection checklistWhat inspectors check Printable maintenance logPlus record-keeping rules All guidesSizing, trap vs interceptor, cost factors

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