C

Calhan, CO

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️1 health-based violation on record.
0
Water sources
13
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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Self-reported issues

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Pollution sources & reported claims near your water

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Critical High Medium Reported claim

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Public water systems

CALHAN TOWN OF

PWSID:
CO0121075
Source:
Ground water
Serves:
780 people

EPA & DEP violations

CALHAN TOWN OF

PWSID CO012107513 violations

  • Monitoring violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1871 (code 52) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2026 · 7 months ago · Source ↗

  • Reporting violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1870 (code 4H) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Reporting violation · Began Jul 2, 2025 · 1 year ago · Source ↗

  • Monitoring violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1869 (code 66) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Monitoring violation · Began Apr 1, 2025 · 1 year ago · Source ↗

  • Monitoring violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1868 (code 03) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1866 (code 27) at CALHAN TOWN OF (PWSID CO0121075).

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

  • Monitoring violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1867 (code 27) at CALHAN TOWN OF (PWSID CO0121075).

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

  • Other violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1865 (code 76) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Other violation · Began Mar 12, 2022 · 4 years ago · Source ↗

  • Treatment technique violation — CALHAN TOWN OF

    high severityHealth-basedResolved

    EPA SDWIS violation 1859 (code 12) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Treatment technique violation · Began Apr 1, 2021 · 5 years ago · Source ↗

  • Other violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1856 (code 76) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Other violation · Began Nov 11, 2018 · 7 years ago · Source ↗

  • Other violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1853 (code 09) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Other violation · Began Oct 11, 2018 · 7 years ago · Source ↗

  • Other violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1855 (code 5A) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Other violation · Began Oct 11, 2018 · 7 years ago · Source ↗

  • Monitoring violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 1845 (code 52) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2011 · 14 years ago · Source ↗

  • Other violation — CALHAN TOWN OF

    low severityResolved

    EPA SDWIS violation 104 (code 71) at CALHAN TOWN OF (PWSID CO0121075).

    EPA SDWIS · Other violation · Began Jul 1, 2004 · 22 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

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