C

Columbia, CT

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️1 health-based violation on record.
0
Water sources
20
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

Share this with friends & family you care about ❤️

Help someone you love know what's in their water — we'll email them Columbia's report. No sign-ups, no list.

Reported illness & cancer claims

No claims reported yet. Be the first to add one.

Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.

Self-reported issues

No issues reported yet. Be the first to report one.

Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

Get water alerts for Columbia, CT

We'll email you when a new violation, lawsuit, or health report appears for Columbia's water. Free, unsubscribe anytime.

Home water filtration system

Protect your home

Improve Columbia's water

A certified filtration system can remove lead, PFAS, nitrates, and the contaminants flagged on this page. Get a free, no-obligation quote tailored to your home.

What are you interested in?

By submitting you agree to be contacted about water treatment options.

Public water systems

Woodland Terrace

PWSID:
CT0300071
Source:
Ground water
Serves:
27 people

Ctwc - Columbia Heights Div.

PWSID:
CT0300011
Source:
Ground water
Serves:
32 people

Hillside Condominiums

PWSID:
CT0670051
Source:
Ground water
Serves:
96 people

Dartmouth Village Elderly Housing

PWSID:
CT0309051
Source:
Ground water
Serves:
25 people

EPA & DEP violations

City-wide

20 violations

  • LEAD AND COPPER RULE REVISIONS — TT violation

    high severityHealth-basedUnaddressed

    LEAD AND COPPER RULE REVISIONS TT violation (Unaddressed).

    EPA SDWIS · TT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityUnaddressed

    LEAD AND COPPER RULE REVISIONS RPT violation (Unaddressed).

    EPA SDWIS · RPT · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Gross Alpha, Excl. Radon and U — MR violation

    medium severityArchived

    Gross Alpha, Excl. Radon and U MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Combined Radium (-226 and -228) — MR violation

    medium severityArchived

    Combined Radium (-226 and -228) MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Combined Uranium — MR violation

    medium severityArchived

    Combined Uranium MR violation (Archived).

    EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Aug 10, 2022 · 3 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2022 · 4 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 30, 2020 · 5 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Aug 10, 2020 · 5 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Jul 1, 2020 · 6 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Mar 31, 2020 · 6 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2019 · 7 years ago · Source ↗

  • CYANIDE — MR violation

    medium severityResolved

    CYANIDE MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Nickel — MR violation

    medium severityResolved

    Nickel MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Antimony, Total — MR violation

    medium severityResolved

    Antimony, Total MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Thallium, Total — MR violation

    medium severityResolved

    Thallium, Total MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Selenium — MR violation

    medium severityResolved

    Selenium MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Barium — MR violation

    medium severityResolved

    Barium MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Cadmium — MR violation

    medium severityResolved

    Cadmium MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗

  • Arsenic — MR violation

    medium severityResolved

    Arsenic MR violation (Resolved).

    EPA SDWIS · MR · Began Jan 1, 2018 · 8 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.