Sewage again has leaked out of the black pipes carrying wastewater in downtown Green Bay. In what’s become a recurrence in the larger $29 million sewer restoration project, a valve was at fault.
The Green Bay Metropolitan Sewerage District − branded NEW Water − determined Feb. 27 that a quarter-inch valve “inadvertently left open” by contractor Michels Trenchless, Inc. had leaked 160 gallons of wastewater near Pine and North Roosevelt streets on Feb. 24. Two weeks prior, this section of pipe had been one of six areas that leaked about half a swimming pool’s worth of wastewater, some reaching the city’s storm sewers and the East River, although it posed little public health risk.
The most recent spill was cleaned up within a half-hour of being discovered, Erin Collar, a public affairs specialist at NEW Water, said in an email. As with previous leaks, the sewer system kept running as normal…