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Lisbon, CT Tap Water Quality 2026

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

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

Main Utility: Jewett City Water Company PWSID: CT0580011 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

A

Lisbon earns an A for water quality

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

Lead: not detected
PFAS tested, none detected
27 violations since 2015, 1 health-based
No violations currently open
Lisbon'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
490
~1684 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
27 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
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2023 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2023 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2022 Resolved
Consumer Confidence Rule OTHER — — 2022 Resolved
Chlorine MONITORING AND REPORTING — 4.0 mg/L 2022 Resolved
Surface Water Treatment Rule MONITORING AND REPORTING — — 2022 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2020 Resolved
Total Haloacetic Acids (HAA5) MCL EXCEEDANCE 0.061 MG/L 0.060 mg/L 2018 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2017 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2017–2019 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2017–2019 Resolved
Combined Radium (-226 and -228) MONITORING AND REPORTING — 5 pCi/L 2017–2019 Resolved
Gross Alpha, Excl. Radon and U MONITORING AND REPORTING — 15 pCi/L 2017–2019 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2017–2019 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2017–2019 Resolved
Diquat MONITORING AND REPORTING — 0.02 mg/L 2017–2019 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2017–2019 Resolved
Aldicarb sulfoxide MONITORING AND REPORTING — — 2017–2019 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2017–2019 Resolved
Aldicarb MONITORING AND REPORTING — — 2017–2019 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2017–2019 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2017–2019 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2017–2019 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2017–2019 Resolved
Glyphosate MONITORING AND REPORTING — 0.7 mg/L 2017–2019 Resolved
Aldicarb sulfone MONITORING AND REPORTING — — 2017–2019 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2017–2019 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

27 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 Jewett City Water Company
PWSID CT0580011
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 490
Service connections 1,684
Systems serving this area 5
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Lisbon tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does Lisbon water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Lisbon? ▼
Jewett City Water Company (PWSID CT0580011), one of 5 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 2023-06-28. No significant deficiencies were recorded.

What Should Lisbon 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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