John Wulf Septic Tank Service has proudly served Davenport and Bettendorf since 1990, providing expert septic tank pumping, maintenance, repairs, and emergency services across the Quad Cities Metro Area. From Davenport’s 100,000+ residents to Bettendorf’s affluent community of 39,000+ known for luxury homes and estate properties, we deliver reliable septic solutions—including premium luxury restroom trailer rentals perfect for high-end events.

Grease Interceptor Pumping in Quad Cities

John Wulf Septic Tank Service proudly serves Moline and Rock Island, Illinois—vibrant Quad Cities communities totaling 79,000+ residents. We deliver expert septic solutions across both cities, from Moline’s thriving manufacturing sector and restaurant industry near John Deere headquarters to Rock Island’s historic mix of residential and commercial properties. Our comprehensive services include septic pumping, maintenance, emergency repairs, and specialized commercial grease trap services that keep kitchen operations running smoothly by preventing clogs, backups, and costly downtime through reliable grease interceptor pumping.

Expert Grease Trap Cleaning Service

Our team provides thorough grease trap cleaning to remove fats, oils, and grease buildup. Regular service prevents blockages and ensures your system stays compliant with local health regulations.
A coupon for John Wulfs Septic Service offering Buy 2 years of chemicals, get the 3rd year free. The word FREE is highlighted on an orange ticket. The company’s logo, a cartoon dog, and septic system service details are featured.
A coupon for John Wulfs Septic Service offering $25 off each if you and your neighbor book same day septic tank maintenance. Features a cartoon cat, instructions to mention coupon, and website jwseptic.com.
A blue coupon offering $10 off a septic system service or grease trap pumping from John Wulfs Septic Service. Instructions and conditions are printed, with a cartoon cat and the company’s logo included.

John Wulf Septic Tank Service offers luxury portable restroom trailer rentals perfect for Quad Cities weddings, corporate events, festivals, and construction sites. Our climate-controlled trailers feature flushing toilets, running water, and upscale amenities that elevate any occasion. We maintain full regulatory compliance across our service area—meeting Iowa Department of Natural Resources standards for septic system installation, maintenance, and pumping, and adhering to Illinois EPA regulations for all septic services in Rock Island County and throughout our Illinois territory—ensuring environmental protection and water quality throughout the Quad Cities region.

A green hose is inserted into an outdoor septic tank, pumping out murky water during a septic tank maintenance process. The concrete edge of the tank opening is visible.

John Wulf Septic Tank Service maintains full compliance with EPA regulations and follows industry best practices established by the National Association of Wastewater Technicians (NAWT), ensuring every septic service we provide meets the highest professional standards for safety, quality, environmental protection, and public health throughout the Quad Cities region.

Frequently Asked Questions

Yes! We clean grease recovery devices to keep them working efficiently and prevent overflow.

We recommend cleaning every 1–3 months, depending on your kitchen’s volume and local regulations.

Absolutely. We handle grease converters and ensure they’re fully emptied and cleaned.

Yes, our trucks are equipped to pump and properly dispose of both yellow and brown grease.

Yes! We specialize in serving restaurants, cafeterias, and other commercial kitchens with fast, dependable grease trap pumping.

Book Service Now!

(563)-766-7276

Book Service Now!
(563)-766-7276

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