N

Naco, AZ

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️4 health-based violations on record.
0
Water sources
29
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.

Critical High Medium Reported claim

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Public water systems

Naco Estates

PWSID:
AZ0402345
Source:
Ground water
Serves:
75 people

Naco Water Co Main

PWSID:
AZ0402024
Source:
Ground water
Serves:
658 people

EPA & DEP violations

Naco Water Co Main

PWSID AZ04020249 violations

  • Monitoring violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6069 (code 66) at NACO WATER CO MAIN (PWSID AZ0402024).

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

  • Monitoring violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6066 (code 27) at NACO WATER CO MAIN (PWSID AZ0402024).

    EPA SDWIS · Monitoring violation · Began Sep 1, 2021 · 4 years ago · Source ↗

  • Monitoring violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6067 (code 27) at NACO WATER CO MAIN (PWSID AZ0402024).

    EPA SDWIS · Monitoring violation · Began Sep 1, 2021 · 4 years ago · Source ↗

  • Monitoring violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6062 (code 52) at NACO WATER CO MAIN (PWSID AZ0402024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2019 · 6 years ago · Source ↗

  • Monitoring violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6061 (code 3A) at NACO WATER CO MAIN (PWSID AZ0402024).

    EPA SDWIS · Monitoring violation · Began Sep 1, 2018 · 7 years ago · Source ↗

  • Monitoring violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6053 (code 27) at NACO WATER CO MAIN (PWSID AZ0402024).

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

  • Other violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6036 (code 71) at NACO WATER CO MAIN (PWSID AZ0402024).

    EPA SDWIS · Other violation · Began Jul 1, 2009 · 17 years ago · Source ↗

  • Other violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6035 (code 71) at NACO WATER CO MAIN (PWSID AZ0402024).

    EPA SDWIS · Other violation · Began Jul 1, 2008 · 18 years ago · Source ↗

  • Other violation — NACO WATER CO MAIN

    low severityResolved

    EPA SDWIS violation 6028 (code 71) at NACO WATER CO MAIN (PWSID AZ0402024).

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

City-wide

20 violations

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Jan 16, 2026 · 6 months ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

    EPA SDWIS · Other · Began Oct 2, 2025 · 10 months ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityUnaddressed

    Consumer Confidence Rule Other violation (Unaddressed).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Dec 20, 2024 · 1 year ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Dec 5, 2024 · 1 year ago · Source ↗

  • LEAD AND COPPER RULE REVISIONS — RPT violation

    medium severityResolved

    LEAD AND COPPER RULE REVISIONS RPT violation (Resolved).

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

  • LEAD AND COPPER RULE REVISIONS — TT violation

    high severityHealth-basedResolved

    LEAD AND COPPER RULE REVISIONS TT violation (Resolved).

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

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Sep 30, 2024 · 1 year ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Jul 11, 2024 · 2 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

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

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedUnaddressed

    Revised Total Coliform Rule TT violation (Unaddressed).

    EPA SDWIS · TT · Began Nov 14, 2022 · 3 years ago · Source ↗

  • Consumer Confidence Rule — Other violation

    medium severityResolved

    Consumer Confidence Rule Other violation (Resolved).

    EPA SDWIS · Other · Began Oct 2, 2022 · 3 years ago · Source ↗

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Sep 11, 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 ↗

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

    EPA SDWIS · MR · Began Sep 1, 2021 · 4 years ago · Source ↗

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

    Total Haloacetic Acids (HAA5) MR violation (Resolved).

    EPA SDWIS · MR · Began Sep 1, 2021 · 4 years ago · Source ↗

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Nov 1, 2020 · 5 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2020 · 5 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityResolved

    Lead and Copper Rule MR violation (Resolved).

    EPA SDWIS · MR · Began Oct 1, 2019 · 6 years ago · Source ↗

  • Revised Total Coliform Rule — MON violation

    medium severityResolved

    Revised Total Coliform Rule MON violation (Resolved).

    EPA SDWIS · MON · Began Sep 1, 2018 · 7 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.