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Emmet, WI Tap Water Quality 2026

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

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

Main Utility: Watertown Waterworks PWSID: WI1280044 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 11.00 ppb, 73% of the action level and no violations are open. No PFAS was detected.

A

Emmet earns an A for water quality

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

Lead: 11.00 ppb — 73% of the federal action level
PFAS tested, none detected
2 violations since 2015, 0 health-based
No violations currently open
Emmet's lead level vs. all Wisconsin community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 11.00 ppb — 73% of the federal action level
✓ Lower lead than 4% of Wisconsin utilities
Population Served
372
~8708 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
73% of EPA action level
11.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 11.00 ppb, 73% 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 2024 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2024 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 Watertown Waterworks
PWSID WI1280044
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 372
Service connections 8,708
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Emmet tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 11.00 ppb, 73% of the action level.
Does Emmet water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Emmet? ▼
Watertown Waterworks (PWSID WI1280044). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2025-09-23. No significant deficiencies were recorded.

What Should Emmet 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.

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