C

Columbia, SC

B40/100

Contamination score

Higher = more contaminated vs. other cities.

⚠️3 health-based violations on record.
0
Water sources
20
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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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

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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

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Public water systems

Columbia City Of (Sc4010001)

PWSID:
SC4010001
Source:
Surface water
Serves:
354,068 people

Winsor Valley MHP (Sc4060008)

PWSID:
SC4060008
Source:
Ground water
Serves:
68 people

Pine Valley Community (Sc4060024)

PWSID:
SC4060024
Source:
Ground water
Serves:
21 people

Lakewood MHP (Sc4060032)

PWSID:
SC4060032
Source:
Ground water
Serves:
110 people

Silver Hill Manuf Home Comm. (Sc4060019)

PWSID:
SC4060019
Source:
Ground water
Serves:
180 people

Sandy Hill MHP (Sc4060064)

PWSID:
SC4060064
Source:
Ground water
Serves:
81 people

Freeway MHP (Sc4060005)

PWSID:
SC4060005
Source:
Ground water
Serves:
135 people

Cresthaven MHP (Sc4060001)

PWSID:
SC4060001
Source:
Ground water
Serves:
37 people

Palmetto Park (4060006)

PWSID:
SC4060006
Source:
Ground water
Serves:
132 people

Bay Capital Water Works (Sc4050031)

PWSID:
SC4050031
Source:
Ground water
Serves:
647 people

Bgwc Charleswood S/D (4050008)

PWSID:
SC4050008
Source:
Surface water
Serves:
484 people

Bgwc Farrowwood Estates (Sc4050012)

PWSID:
SC4050012
Source:
Surface water
Serves:
356 people

Bgwc Washington Heights (Sc4050013)

PWSID:
SC4050013
Source:
Surface water
Serves:
190 people

EPA & DEP violations

Columbia City Of (Sc4010001)

PWSID SC40100012 violations

  • Chlorite — MCL violation

    high severityHealth-basedResolved

    Chlorite MCL violation (Resolved).

    EPA SDWIS · MCL · Began Dec 1, 2024 · 1 year ago · Source ↗

  • Revised Total Coliform Rule — MCL violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule MCL violation (Resolved).

    EPA SDWIS · MCL · Began Apr 1, 2021 · 5 years ago · Source ↗

City-wide

18 violations

  • Revised Total Coliform Rule — MCL violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule MCL violation (Resolved).

    EPA SDWIS · MCL · Began Oct 1, 2025 · 10 months ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

    EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 1, 2025 · 10 months ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 1, 2023 · 2 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 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 ↗

  • Surface Water Treatment Rule — MR violation

    medium severityResolved

    Surface Water Treatment Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2022 · 4 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Jun 1, 2022 · 4 years ago · Source ↗

  • Chlorine — MR violation

    medium severityResolved

    Chlorine MR violation (Resolved).

    EPA SDWIS · MR · Began Apr 1, 2022 · 4 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 1, 2021 · 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 ↗

  • 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 Oct 1, 2020 · 5 years ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Feb 15, 2020 · 6 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Dec 1, 2019 · 6 years ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Nov 7, 2019 · 6 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Nov 1, 2019 · 6 years ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 8, 2019 · 6 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.