Rock Island County Drinking Water Report Card

Rock Island County scores 7 out of 100 on WaterViolations.org's Drinking Water Violation Exposure Score. The county has 18 active public water systems serving 131,795 people, with 29 health-based violations on record and 3 systems with active health-based violations.

This is a research signal, not an official safety grade. Contact the water utility or state drinking-water agency for current notices and guidance.

FLetter Band
7Exposure Score
29Health Violations

Quote-Ready Local Facts

  • 18 active public water systems serve 131,795 people in Rock Island County.
  • 29 health-based violations are on record, or 22.0 per 100,000 people served.
  • 3 systems have active health-based violations in the current dataset.

Score Breakdown

FactorValuePenalty
Health-based violations per 100,000 people22.060.0 / 60
Systems with active health violations16.7%33.3 / 40

System to Review

The county system with the most health-based violations in this dataset is Milan, with 9 health-based violations on record.

Reporter Story Kit

Use this section as a starting point for local reporting. These figures are screening signals from EPA SDWIS records, not a substitute for utility notices, state agency guidance, or direct water testing.

Fast local angles

  • Ask which systems account for the active health-based violations and whether residents received required public notices.
  • Compare older health-based violations with the latest Consumer Confidence Reports for affected systems.
  • Ask the state drinking-water agency which violations are resolved, pending, or tied to monitoring/reporting gaps.

Contaminants Driving Health-Based Violations

ContaminantHealth-Based Violations
Unknown36

Active Health-Violation Systems to Check First

SystemCityPopulationActive Health ViolationsActive Total
SilvisSilvis7,47314
CordovaCordova64013
Mississippi Manufactured Home CommunityTroy50311

Questions to Ask

  • What contaminant or treatment requirement caused each active health-based violation?
  • When did the utility notify customers, and where is that notice posted?
  • Has follow-up sampling shown the issue is resolved?
  • Are private well owners nearby being advised to test for related contaminants?

Download all county report-card scores · Download Illinois violation data

Copyable Reporter Summary

WaterViolations.org gives Rock Island County, Illinois a Drinking Water Violation Exposure Score of 7/100 (F). The county has 18 active public water systems serving 131,795 people, with 29 health-based violations on record and 3 systems with active health-based violations. The score is based on EPA SDWIS records and is not an official safety grade.

Methodology · County systems · Journalist resources