Editorial advisory
What the data suggests for Greene County
Water Verdict
Greene County, Missouri receives a fair water quality assessment with a grade of B and a score of 69.5 out of 100. The water supply meets baseline federal standards, but there may be periods of elevated contaminant levels or infrastructure concerns worth monitoring. The county's primary USGS gauge drains roughly 246 square miles of upstream watershed, giving local source waters a regional footprint. At the most recent USGS reading, local streamflow was below its historical mean at 22.7% — worth watching in drier seasons.
Violation Context
EPA SDWIS records for Greene County, Missouri show 3 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 1.2 violations per 100,000 people served, this rate is relatively low compared to many U.S. counties. For independent context, 7,372 water-quality monitoring results have been recorded across the county in the EPA Water Quality Portal over the past five years.
Consumer Guidance
Tap water in Greene County scores well above average for drinking-water safety. Greene County's drinking-water compliance score is 69.5 out of 100. With 3 recorded health violations, the water supply is generally reliable. The violation rate for Greene County is 1.2 per 100,000 people served. Households with infants, pregnant individuals, or immunocompromised members may want to use an NSF 53-certified pitcher filter as a low-cost precaution. With 17 active water-quality monitoring sites in Greene County, data coverage is strong. A pipeline streamflow snapshot from the James River gauge is also available on this page.
Regional Context
Greene County has better water quality than the average county in Missouri. Its water score is 20.7 points higher than the state average, indicating stronger water system performance relative to neighboring counties.
Advisory text summarizes county-level public records and is not a replacement for your utility's current Consumer Confidence Report or direct local notices.