It’s looking increasingly likely the work at Ripon’s Mill Pond dam won’t be done before winter weather makes construction impossible.

If the project lingers into spring 2018, greater than expected soil contamination discovered during the course of the work will be one reason why.

“They are making progress. There have been issues that have slowed the pace,” Ripon City Engineer Travis Drake said. “Rain has been a big part of it. [But we also have] had some contaminated soil that had to be trucked out — sediment from the bottom of the pond.”

Contamination concerns at Ripon’s Mill Pond are nothing new for Ripon.

Historically, the pond was the site of a manufactured gas plant whose chemical compounds damaged the soil.

Utility officials have known about the issue for years, eventually leading to their effort several years ago to mitigate the problem that caused to Selfridge Park (located adjacent to the pond) to be closed for a summer.

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