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South Hero, VT Tap Water Quality 2026

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

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

Main Utility: South Hero Fire District 4 PWSID: VT0020080 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 3.40 ppb, 23% of the action level and no violations are open. PFAS has never been sampled at this system.

B

South Hero earns a B for water quality

Graded on violations and lead, with state inspection findings. PFAS not tested.

Lead: 3.40 ppb — 23% of the federal action level
PFAS never sampled at this system
69 violations since 2015, 8 health-based
No violations currently open
South Hero's lead level vs. all Vermont community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 3.40 ppb — 23% of the federal action level
✓ Lower lead than 21% of Vermont utilities
Population Served
997
~320 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
69 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
23% of EPA action level
3.40 ppb
Action level: 15 ppb
The 90th-percentile lead result is 3.40 ppb, 23% 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
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2021 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2021 Resolved
Arsenic MONITORING AND REPORTING — 0.010 mg/L 2020 Resolved
Barium MONITORING AND REPORTING — 2 mg/L 2020 Resolved
Cadmium MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Chromium MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
Mercury MONITORING AND REPORTING — 0.002 mg/L 2020 Resolved
Nickel MONITORING AND REPORTING — — 2020 Resolved
Antimony, Total MONITORING AND REPORTING — 0.006 mg/L 2020 Resolved
Beryllium, Total MONITORING AND REPORTING — 0.004 mg/L 2020 Resolved
Thallium, Total MONITORING AND REPORTING — 0.002 mg/L 2020 Resolved
Selenium MONITORING AND REPORTING — 0.05 mg/L 2020 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2020 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2020 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2020 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2020 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2020 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2020 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2020 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2020 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2020 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2020 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2020 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.07 MG/L 0.060 mg/L 2019 Resolved
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2019 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.073 MG/L 0.060 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.083 MG/L 0.080 mg/L 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.069 MG/L 0.060 mg/L 2018 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2018 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.066 MG/L 0.060 mg/L 2018 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2018 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2018 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2018 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2018 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2018 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2018 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2018 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2018 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2018 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2018 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2018 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2018 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2018 Resolved
LASSO MONITORING AND REPORTING — — 2018 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2018 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2018 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2018 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2018 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2018 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2018 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2018 Resolved
Total Polychlorinated Biphenyls (PCB) MONITORING AND REPORTING — 0.0005 mg/L 2018 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2018 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2018 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2018 Resolved
TTHM MCL EXCEEDANCE 0.085 MG/L 0.080 mg/L 2016 Resolved
CYANIDE MONITORING AND REPORTING — 0.2 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 65 UG/L 0.060 mg/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

69 violations are on record since 2015, of which 8 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility South Hero Fire District 4
PWSID VT0020080
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 997
Service connections 320
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is South Hero tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 3.40 ppb, 23% of the action level.
Does South Hero water have PFAS? ▼
This system has never been sampled for PFAS. EPA's national monitoring covered systems serving 3,300 people or more, so no results exist — which is not evidence that none is present.
Who supplies water to South Hero? ▼
South Hero Fire District 4 (PWSID VT0020080), one of 2 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2024-05-21. No significant deficiencies were recorded.

What Should South Hero 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.

Nearby Cities in Vermont

Grand Isle, Vt Tap Water Quality 2026 Grand Isle North Hero, Vt Tap Water Quality 2026 Grand Isle Alburgh, Vt Tap Water Quality 2026 Grand Isle