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Sussex, WI Tap Water Quality 2026

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

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

Main Utility: Sussex Village Hall & Water Utility PWSID: WI2680233 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.80 ppb, 19% of the action level and no violations are open. No PFAS was detected.

B

Sussex earns a B for water quality

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

Lead: 2.80 ppb — 19% of the federal action level
PFAS tested, none detected
61 violations since 2015, 47 health-based
No violations currently open
Sussex's lead level vs. all Wisconsin community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.80 ppb — 19% of the federal action level
✓ Lower lead than 40% of Wisconsin utilities
Population Served
11429
~4351 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
61 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
19% of EPA action level
2.80 ppb
Action level: 15 ppb
The 90th-percentile lead result is 2.80 ppb, 19% 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 2023 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2021 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2019 Resolved
Radium-228 MONITORING AND REPORTING — — 2019 Resolved
Radium-226 MONITORING AND REPORTING — — 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.74 PCI/L 5 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 8.13 PCI/L 5 pCi/L 2019 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 15.93 PCI/L 15 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.77 PCI/L 5 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 7.69 PCI/L 5 pCi/L 2019 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 18.93 PCI/L 15 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.9 PCI/L 5 pCi/L 2019 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.35 PCI/L 5 pCi/L 2019 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 20.03 PCI/L 15 pCi/L 2019 Resolved
Public Notice OTHER — — 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.9 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.35 PCI/L 5 pCi/L 2018 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 16.53 PCI/L 15 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.62 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.3 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.15 PCI/L 5 pCi/L 2018 Resolved
Gross Alpha, Excl. Radon and U MCL EXCEEDANCE 15.63 PCI/L 15 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.62 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.73 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.8 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.59 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.78 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.58 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 7.31 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.78 PCI/L 5 pCi/L 2018 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.78 PCI/L 5 pCi/L 2018 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 7.07 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.66 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.78 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.58 PCI/L 5 pCi/L 2017 Resolved
Public Notice OTHER — — 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 7.07 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.51 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.74 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.23 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.55 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.78 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.73 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.84 PCI/L 5 pCi/L 2017 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.01 PCI/L 5 pCi/L 2016 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.94 PCI/L 5 pCi/L 2016 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.6 PCI/L 5 pCi/L 2016 Resolved
Public Notice OTHER — — 2016 Unaddressed
Public Notice OTHER — — 2016 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.94 PCI/L 5 pCi/L 2016 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.6 PCI/L 5 pCi/L 2016 Resolved
Public Notice OTHER — — 2016 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 6.38 PCI/L 5 pCi/L 2016 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 7.17 PCI/L 5 pCi/L 2016 Resolved
Public Notice OTHER — — 2015 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.51 PCI/L 5 pCi/L 2015 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.75 PCI/L 5 pCi/L 2015 Resolved
Combined Radium (-226 and -228) MCL EXCEEDANCE 5.71 PCI/L 5 pCi/L 2015 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

61 violations are on record since 2015, of which 47 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Sussex Village Hall & Water Utility
PWSID WI2680233
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 11,429
Service connections 4,351
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Sussex tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.80 ppb, 19% of the action level.
Does Sussex water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Sussex? ▼
Sussex Village Hall & Water Utility (PWSID WI2680233). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2026-02-26. No significant deficiencies were recorded.

What Should Sussex Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
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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