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Two Rivers, WI Tap Water Quality 2026

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

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

Main Utility: Two Rivers Waterworks PWSID: WI4360436 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 13.00 ppb, 87% of the action level and no violations are open. No PFAS was detected.

B

Two Rivers earns a B for water quality

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

Lead: 13.00 ppb — 87% of the federal action level
PFAS tested, none detected
71 violations since 2015, 1 health-based
No violations currently open
Two Rivers's lead level vs. all Wisconsin community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 13.00 ppb — 87% of the federal action level
✓ Lower lead than 3% of Wisconsin utilities
Population Served
11229
~4174 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
71 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
87% of EPA action level
13.00 ppb
Action level: 15 ppb
The 90th-percentile lead result is 13.00 ppb, 87% 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
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Resolved
LEAD AND COPPER RULE REVISIONS TREATMENT TECHNIQUE — — 2024 Resolved
Public Notice OTHER — — 2024 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2021 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2021 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2017 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2017 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2017 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2017 Resolved
Fluoride MONITORING AND REPORTING — 4.0 mg/L 2017 Resolved
Nickel MONITORING AND REPORTING — — 2017 Resolved
Nitrate-Nitrite MONITORING AND REPORTING — — 2017 Resolved
Nitrite MONITORING AND REPORTING — 1 mg/L 2017 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2017 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2017 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2017 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
2,3,7,8-TCDD MONITORING AND REPORTING — 0.00000003 mg/L 2017 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2017 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2017 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2017 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2017 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2017 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2017 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2017 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2017 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2017 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2017 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2017 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2017 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2017 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2017 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2017 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
LASSO MONITORING AND REPORTING — — 2017 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2017 Resolved
Aldicarb MONITORING AND REPORTING — — 2017 Resolved
Aldicarb sulfoxide MONITORING AND REPORTING — — 2017 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2017 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2017 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2017 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2017 Resolved
Endothall MONITORING AND REPORTING — 0.1 mg/L 2017 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2017 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2017 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
Aldicarb sulfone MONITORING AND REPORTING — — 2017 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2017 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2017 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2017 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2017 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2017 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2017 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2017 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

71 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Two Rivers Waterworks
PWSID WI4360436
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 11,229
Service connections 4,174
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Two Rivers tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 13.00 ppb, 87% of the action level.
Does Two Rivers water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Two Rivers? ▼
Two Rivers Waterworks (PWSID WI4360436). Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2023-10-10. No significant deficiencies were recorded.

What Should Two 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.

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