Sweet Grass County Drinking Water Report Card

Sweet Grass County scores 13 out of 100 on WaterViolations.org's Drinking Water Violation Exposure Score. The county has 15 active public water systems serving 7,279 people, with 33 health-based violations on record and 2 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
13Exposure Score
33Health Violations

Quote-Ready Local Facts

  • 15 active public water systems serve 7,279 people in Sweet Grass County.
  • 33 health-based violations are on record, or 453.4 per 100,000 people served.
  • 2 systems have active health-based violations in the current dataset.

Score Breakdown

FactorValuePenalty
Health-based violations per 100,000 people453.460.0 / 60
Systems with active health violations13.3%26.7 / 40

System to Review

The county system with the most health-based violations in this dataset is Greycliff Rest Area Eastbound, with 11 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
Unknown37

Active Health-Violation Systems to Check First

SystemCityPopulationActive Health ViolationsActive Total
Big Timber KoaBig Timber60011
Camp MimanagishHelena5011

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 Montana violation data

Copyable Reporter Summary

WaterViolations.org gives Sweet Grass County, Montana a Drinking Water Violation Exposure Score of 13/100 (F). The county has 15 active public water systems serving 7,279 people, with 33 health-based violations on record and 2 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