Zeiter’s Septics Unlimited, Inc. is owned and operated by David & Tammy Zeiter. We are a Full Service Septic Systems & Septic Tank Pumping Company, providing service to a 12 county area.

For more information about any of our services please e-mail, call or stop in to visit with us. Or simply click above and fill out our Service Request Form. We proudly serve Joliet, Yorkville, Dwight, Morris & New Lenox.

Zeiter’s Septics utilizes a wide range of advanced septic systems technology & top of the line septic equipment. Take a few minutes to explore our photo gallery to witness for yourself.

Zeiter’s Septics main office is based in Morris, IL.  We serve, Will, Bureau, Cook, DeKalb, DuPage, Grundy, Kane, Kendall, Kankakee, LaSalle, Livingston & Putman counties.


Zeiter’s Septics is offering a 2021 New Year discount. Mention 2021 New Year discount when you call our office @815-942-2829 and you will receive a 10% savings on any tank cleaning, camera inspection, drain cleaning or site inspection. It’s just another way we want to give back to our community and customers. We have always offered Senior & Military discounts. In 2010 we started giving away a Free Tank Cleaning every month and have never stopped. It means a lot to us to be able to offer these types of discounts. Thank you all.

We have been in the Onsite Wastewater Treatment & Septic Tank cleaning business since 1978 & started Zeiter’s Septics Unlimited, Inc., in 1982. We have grown to be one of the largest septic systems & drain cleaning service companies in Joliet, Yorkville, Dwight, Morris and New Lenox. Because we care about the environment, our customers and our profession, we are constantly learning & providing new services. We have over 12,000 loyal customers in our database and growing providing service to a 12 county area. Call and say you read this and we will give you a 10% discount off on a tank cleaning or pipe cleaning!



EC7-PACK Coco Filter

We are the local distributor & installer for the Premier Tech Ecoflo Coco Filter system in Illinois. We wanted to add them to our list of services for a variety of reasons. Not one type of wastewater treatment system will work on all sites. There are over 100,000 systems installed The coco filter allows us with an a wide variety of alternative solutions. They have the longest warranty of any product! All biomat buildup is contained inside the unit if & when it was to fail you simply vacuum it out and install new coco media and you start a new 10 year warranty. They have just released 50% smaller compact units and the all in one series Eco PACK which is the septic tank and coco filter in one compact space. Please visit our Coco filter photo album and downloads page for a brochure and more information.


We have over 12,000 loyal customers & growing!


Who we are & what we do

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    • Commercial – Residential – Industrial Septic Systems & Septic Tank Pumping
    • Septic Tank Cleaning, Holding Tanks, Manholes, Catch Basins etc.
    • Lift Stations, Simplex & Duplex with 2 Year Warranty On Pumps
    • Computer Generated Reminder Notices
    • Drain Cleaning Professionals using High Pressure Water Jetting & Cable Rodder’s
    • TV Camera Underground Video Inspections with Web Portal viewing, USB Recordable
    • New Installation & Repairs
    • Septic System Consultant & Design
    • Specializing in Alternative Wate Water Systems Raised Filter Beds & LLP (Low Pressure Piping) Systems
    • Sump Pumps & Ejector Pumps Installed
    • Military & Senior Discounts
    • Terralift Procedure
    • Premier Tech Ecoflo Coco Filters Dealer