Sparta moves forward on water line project for contaminated area

Project will provide water to six homes near Sand Creek Landfill contamination

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City officials in Sparta have taken the first step toward extending a water line to Idol Avenue, but residents affected by groundwater contamination near the Sand Creek Landfill will likely need to wait longer for a permanent solution to bring safe, clean drinking water to their homes.

During a July 23 special meeting, the Sparta City Council unanimously approved moving forward with the bidding process for the project that would extend the city’s current water line on Idol Avenue to provide city water to the six affected homes in that area. The council added an amendment that will require all residents in the affected area to sign easements before the project can go out to bid.

Attorneys representing both the city and Monroe County, along with engineers from MSA Professional Services, were present at the meeting to share project plans and address residents’ questions. Several county board members and local officials also attended.

According to a press release from September 2024 from the county, Sand Creek Landfill ceased operations in June 1980. From 1980 to 1996, Monroe County periodically sampled a monitoring well near the landfill to check for signs of possible contamination, even though the county had ceased its operation of the landfill and the city had been operating at the site. In 1996, groundwater contaminants were detected in the residential wells near the site. The county removed the landfill waste in 2001 to minimize the potential for contamination. The county installed more monitoring wells and expanded its site investigation, even after the city had begun operating Sand Creek Landfill, according to the release. The county and city entered into agreements following those measures, including one that contemplated how the parties would pay for operation and maintenance costs of the well water and filtration that would be supplied to certain homes, according to the release from the county. Those agreements were signed in the early 2000s, with the city being responsible for everyone north of Idol Avenue while the county is responsible for everyone south of Idol Avenue, according to Todd Fahning, Sparta’s co-city administrator in a July 29 follow up interview.

In 2023, Monroe County initiated a contract for a site investigation to be conducted by environmental professionals “to ensure that the pollutants and their geographical scope are identified so that current and future locations can be identified.”  The city later joined in that contract, according to the county in the press release.

On Dec. 12, 2022, the Wisconsin Department of Natural Resources notified Sparta officials that water from a shared residential well between the county and the city near the site contained elevated contaminant levels, according to state records on the DNR website. The DNR requested providing alternative water sources for affected residents. Since then, city and county officials have distributed bottled water and installed Culligan whole-house filtration systems for the six residents using the shared well. Both the county and the city have split the costs for these temporary solutions, according to the county’s release.

Fahning estimated the cost of installing a new water line could reach $3 million. However, the exact cost won’t be known until bids are submitted.

“We hope that we can continue to work closely with the county to get this solved,” Fahning said.

Project plans

MSA Senior Project Engineer Nick Manke explained the plans for the project, which includes connecting to an existing water main that runs down Highway 27 and connect it north of Idol Avenue. The project will continue to what Manke said is an “outer loop” that will serve residents in the southern part of Idol Avenue.  Another connection to the main will be installed to serve residents to the north.

Once the main line is installed, crews will begin placing water meters and interior plumbing for some homes, Manke said.

Idol Avenue will also be reconstructed as part of the project. A minimum 10-foot-wide travel lane will remain open during construction to allow residential access. The road will be repaved with new asphalt and gravel upon completion.

Manke said the city will secure a 30-foot permanent easement for maintaining the new infrastructure. The shared well currently serving the area is slated to be abandoned and sealed, according to Bill Nelson, an attorney with Godfrey & Kahn who is representing the city.

Construction could begin this fall and wrap up by next summer, though the timeline depends on contractor availability, Manke said. Residents will be updated on the schedule once bids are awarded.

Funding options

MSA Vice President Rob Uphoff said the project may qualify for a low-interest loan through the state’s Safe Drinking Water Loan Program, which assists municipalities with water infrastructure improvements. Sparta could be eligible for a 20-year loan at an interest rate of 1.485%, with potential for 20% principal forgiveness. MSA is working with the DNR to submit the necessary documents to access the funding, he said.

Nelson also said the city is developing a plan to compensate water bills for three homes north of Idol Avenue until ownership of the property’s change. Jane Landretti, an attorney with Stafford Rosenbaum in Madison representing Monroe County, said the county is putting a similar plan in motion.

Landretti noted that Wisconsin municipalities have access to financial resources and authority that counties do not.

“Cannot operate utilities,” she said. “That’s why it makes sense to let the city take the lead on this… we also don’t have authority to set the water main location; we also don’t have the certificate of authority from the Public Service Commission.”

She said the shared responsibility between the county and city makes this a unique situation.

“It’s really unusual for a county and city to share responsible party status like this,” she said. “Whatever contribution the county is going to make, it has to come up with some other way that’s different from the city. We are coming from a different situation.”

Landretti said the county will continue working with engineers and the DNR on a long-term plan to remediate the landfill contamination.

“It’s really important to know that the county and city are working together to clean up the existing contamination, more than just providing the water,” she said. “Of course, providing the water is a very important first step, but there is going to be ongoing cleanup that is likely to take years.”

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