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Wolcott, CT Tap Water Quality 2026

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

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

Main Utility: Aquarion-Greenwich PWSID: CT0570011 Updated: 2026 Q2
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PFAS above the federal limit at 2 of 3 sampling points

Lead was not detected and no violations are open. However, PFAS exceeds the federal limit at 2 of 3 sampling points, running as high as 1.23 times the limit.

C

Wolcott earns a C for water quality

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

Lead: not detected
PFAS above the federal limit at 2 of 3 sampling points
25 violations since 2015, 0 health-based
No violations currently open
Wolcott's lead level vs. all Connecticut community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Connecticut utilities
Population Served
1850
~17060 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
25 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Chlorite MONITORING AND REPORTING — 1.0 mg/L 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2018 Resolved
CARBON, TOTAL MONITORING AND REPORTING — TT 2018 Resolved
Consumer Confidence Rule OTHER — — 2018 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2018 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2018 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2018 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2018 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2018 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2018 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2018 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2018 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2018 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2018 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2018 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2018 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2018 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

25 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 Aquarion-Greenwich
PWSID CT0570011
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 1,850
Service connections 17,060
Systems serving this area 10
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Wolcott tap water safe to drink? ▼
It meets most federal standards, but PFAS exceeds the federal limit at 2 of 3 sampling points. No violations are currently open.
Does Wolcott water have PFAS? ▼
Yes. PFAS exceeds the federal limit at 2 of 3 sampling points, running as high as 1.23 times the limit. Limits are enforced on a running annual average at each sampling point, not on a single sample.
Who supplies water to Wolcott? ▼
Aquarion-Greenwich (PWSID CT0570011), one of 10 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 2023-05-12. Inspectors recorded 1 significant deficiency.

What Should Wolcott Residents Do?

1
Consider a reverse-osmosis filter
Reverse osmosis removes more than 95% of PFAS. Standard carbon pitchers do not.
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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