Oconto Falls, WI vs Green Bay, WI

When comparing tap water quality between Oconto Falls, WI and Green Bay, WI, Oconto Falls currently holds a substantial 36-point lead in average WaterQ score, with a score of 87 out of 100 versus 51 for Green Bay. Oconto Falls, WI carries a B grade while Green Bay, WI carries a D. A WaterQ score reflects an aggregate of EPA-reported violations, monitoring data, and compliance history across all public water systems serving each city, so a higher score generally indicates fewer recent violations and a stronger compliance record, though it does not guarantee that every tap in the city tests identically.

Green Bay, WI is the larger of the two, with 156,481 more residents than Oconto Falls. Green Bay is served by 4 public water systems, compared with 1 in Oconto Falls — a difference of 3 systems. A larger number of systems often reflects a more fragmented distribution network spanning multiple utilities, suburbs, or rural service areas, while a single large utility serving a big population can benefit from economies of scale in treatment and monitoring, but may also face more complex, aging infrastructure to maintain.

For residents of either Oconto Falls or Green Bay, the most useful next step is to look up the specific water system that serves your address, since city-wide averages combine results from every system in the area. Visit the Oconto Falls or Green Bay city pages below for a breakdown of local systems, recent violations, and contaminant-specific data, or browse WaterQ's contaminants directory to learn what each measured substance means for health.