H

Holly, CO

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️23 health-based violations on record.
0
Water sources
44
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

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

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Public water systems

HOLLY TOWN OF

PWSID:
CO0150600
Source:
Ground water
Serves:
800 people

EPA & DEP violations

HOLLY TOWN OF

PWSID CO015060044 violations

  • Other violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008647 (code 76) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Other violation · Began Oct 31, 2025 · 9 months ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008646 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

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

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008644 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2025 · 1 year ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008637 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2025 · 1 year ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008638 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2025 · 1 year ago · Source ↗

  • Other violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008633 (code 75) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Other violation · Began Jan 23, 2025 · 1 year ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008631 (code 66) at HOLLY TOWN OF (PWSID CO0150600).

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

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008635 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2025 · 1 year ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008636 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2025 · 1 year ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008629 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

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

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008630 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

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

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008626 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2024 · 2 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008627 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2024 · 2 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008623 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2024 · 2 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008624 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2024 · 2 years ago · Source ↗

  • Other violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008620 (code 75) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Other violation · Began Mar 11, 2024 · 2 years ago · Source ↗

  • Other violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008617 (code 75) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Other violation · Began Feb 17, 2024 · 2 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008618 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2024 · 2 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008619 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jan 1, 2024 · 2 years ago · Source ↗

  • Other violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008610 (code 75) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Other violation · Began Nov 17, 2023 · 2 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008613 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

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

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008614 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

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

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008615 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

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

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008616 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

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

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedOpen

    EPA SDWIS violation 1008608 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2023 · 3 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityOpen

    EPA SDWIS violation 1008607 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

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

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008604 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2022 · 3 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008605 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2022 · 3 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008606 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2022 · 3 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008546 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008547 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2022 · 4 years ago · Source ↗

  • Other violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008541 (code 75) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Other violation · Began Aug 10, 2021 · 4 years ago · Source ↗

  • Treatment technique violation — HOLLY TOWN OF

    high severityHealth-basedResolved

    EPA SDWIS violation 1008538 (code 12) at HOLLY TOWN OF (PWSID CO0150600).

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

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008539 (code 03) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2021 · 5 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedResolved

    EPA SDWIS violation 1008524 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

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

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedResolved

    EPA SDWIS violation 1008522 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2020 · 6 years ago · Source ↗

  • Other violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008520 (code 76) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Other violation · Began Mar 30, 2020 · 6 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedResolved

    EPA SDWIS violation 1008515 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2017 · 8 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedResolved

    EPA SDWIS violation 1008514 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Jul 1, 2017 · 9 years ago · Source ↗

  • MCL exceedance — HOLLY TOWN OF

    high severityHealth-basedResolved

    EPA SDWIS violation 1008513 (code 02) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · MCL exceedance · Began Apr 1, 2017 · 9 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008512 (code 66) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Dec 31, 2016 · 9 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008510 (code 27) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2015 · 10 years ago · Source ↗

  • Monitoring violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008509 (code 30) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Monitoring violation · Began Apr 1, 2008 · 18 years ago · Source ↗

  • Other violation — HOLLY TOWN OF

    low severityResolved

    EPA SDWIS violation 1008407 (code 71) at HOLLY TOWN OF (PWSID CO0150600).

    EPA SDWIS · Other violation · Began Jul 1, 2007 · 19 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.