Editorial advisory
What the data suggests for Hutchinson County
Water Verdict
Hutchinson County, South Dakota receives a poor water quality assessment with a grade of F and a score of 28.5 out of 100. The water supply has documented quality issues. Residents are strongly encouraged to use filtered or bottled water for drinking and to stay informed about utility improvement plans. The county's primary USGS gauge drains roughly 20,672 square miles of upstream watershed, giving local source waters a regional footprint. At the most recent USGS reading, local streamflow was running above its historical mean at 120.8%.
Violation Context
EPA SDWIS records for Hutchinson County, South Dakota show 3 health-based violations, indicating multiple instances where federal contaminant limits or treatment requirements were not met. At 73.4 violations per 100,000 people served, this rate is high and signals significant water quality management issues. Independent monitoring is comparatively sparse here — 222 water-quality results logged in the EPA Water Quality Portal over the past five years — so the utility's own reporting carries extra weight.
Consumer Guidance
Drinking-water compliance in Hutchinson County is rated Grade F, reflecting significant health-based violations in the recent reporting period. Hutchinson County's drinking-water compliance score is 28.5 out of 100. The violation rate for Hutchinson County is 73.4 per 100,000 people served. An NSF 53 or NSF 58-certified filter is recommended for drinking and cooking water. Check the Consumer Confidence Report from your utility to identify the specific contaminants and required corrective actions — utilities are legally required to notify customers of violations. There are 3 active water-quality monitoring sites in Hutchinson County. A pipeline streamflow snapshot from the JAMES RIVER gauge is also available on this page.
Regional Context
Hutchinson County has poorer water quality than the average county in South Dakota. Its water score is 28.3 points lower than the state average, suggesting more challenges with contamination control or infrastructure than 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.