States ›Michigan ›St. Joseph County ›Three Rivers

Three Rivers, MI Tap Water Quality 2026

Water quality report for Three Rivers, MI — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Three Rivers's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Three Rivers PWSID: MI0006610 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 12.00 ppb, 80% of the action level and no violations are open. No PFAS was detected.

A

Three Rivers earns an A for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 12.00 ppb — 80% of the federal action level
PFAS tested, none detected
2 violations since 2015, 0 health-based
No violations currently open
Three Rivers's lead level vs. all Michigan community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 12.00 ppb — 80% of the federal action level
✓ Lower lead than 6% of Michigan utilities
Population Served
7811
~2600 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
2 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
80% of EPA action level
12.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 12.00 ppb, 80% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015–2016 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015–2016 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

2 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Three Rivers
PWSID MI0006610
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 7,811
Service connections 2,600
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Three Rivers tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 12.00 ppb, 80% of the action level.
Does Three Rivers water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Three Rivers? ▼
Three Rivers (PWSID MI0006610). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-04-16. No significant deficiencies were recorded.

What Should Three Rivers Residents Do?

1
Consider a filter certified for lead
Look for NSF/ANSI 53 certification for lead reduction.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

Nearby Cities in Michigan

Sturgis, Mi Tap Water Quality 2026 St. Joseph Constantine, Mi Tap Water Quality 2026 St. Joseph White Pigeon, Mi Tap Water Quality 2026 St. Joseph Colon, Mi Tap Water Quality 2026 St. Joseph Lockport, Mi Tap Water Quality 2026 St. Joseph Centreville, Mi Tap Water Quality 2026 St. Joseph