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We Stand Behind Our Work

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We Stand Behind Our Work

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After 54 years, Foster’s Septic & Well Service, formerly Foster Enterprises, has closed its doors.  We wish to thank you all for your business, your services, your support and your friendship over the years.  We have met so many wonderful people.  We appreciate you all and will miss you greatly.

Pictured left to right: Dave Foster (In Memory, 1958-2022), Ray & Marie Foster, DaLene Marlowe, Andrea Foster, Zack Foster, Parker Wells, Bill Wells and Steve Desimone. (Not pictured: Jim Ecke, JoEllen Foster)


Fast, Expert, Septic System and Water Well Service in Adams County

53 Years of Septic System and Water Well Installations!

septic tank installation

Septic System Installation

For 53 years we have been servicing and installing septic tanks and septic systems. Call us to get a quote on a new septic system installation. We have the experience and equipment to do the job right.

septic tank installation

Septic System Repair

Are you having issues with your septic system and need repairs or services to an existing system? Our licensed septic specialists are experts in finding affordable solutions to repairs needed to your system.

septic tank installation

Water Well Service

Get quality well drilling for new construction or replacement from Foster’s Septic & Well Service LLC. We service and install all major brands of pumps. We abandon old wells no longer in use or non-code compliant.

Coverage Area

Adams County, Wisconsin, including Juneau, Sauk, Columbia, Marquette, Waushara and Wood Counties.


Adam County Chamber of Commerce
Wisconsin Liquid Waste Carriers Association

Wisconsin Liquid Waste Carriers Association

Wisconsin Water Well Association

Wisconsin Onsite Water Recycling Association

Accepted Payment Methods

We Accept Checks, Cash, Visa, Master Card, Discover, American Express and Money Order
If making payment using credit card, there is a 3.5% service fee added to your total.

septic pumping

Trusted well and septic services

For 53 years, Foster’s Septic & Well Service LLC has been providing professional Septic and Water Well services in the Adams County, Wisconsin area. Our goal is to provide the best professional service available. That means you will be provided with affordable, reliable and friendly service.

About Us

Ray and Marie Foster started this business when they moved to Adams County in 1968. Together, they worked many long and hard hours to build their business and make it what it is today. Now we are in the next generation and strive to continue to provide the best service we can.