C

Casa Grande, AZ

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️11 health-based violations on record.
0
Water sources
138
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

Arizona Water Co - Pinal Valley

PWSID:
AZ0411009
Source:
Ground water
Serves:
134,432 people

Arizona Water Co - Stanfield

PWSID:
AZ0411012
Source:
Ground water
Serves:
639 people

Awc - Casa Grande West Water Company

PWSID:
AZ0411024
Source:
Ground water
Serves:
943 people

Arizona Water Co - Tierra Grande

PWSID:
AZ0411076
Source:
Ground water
Serves:
1,796 people

Sierra Vista Rv Park

PWSID:
AZ0411383
Source:
Ground water
Serves:
200 people

Picacho Water Company

PWSID:
AZ0411135
Source:
Ground water
Serves:
2,440 people

Gw Santa Cruz Water - Cp Water Co

PWSID:
AZ0411151
Source:
Ground water
Serves:
37 people

Awc - Casa Grande South Water Company

PWSID:
AZ0411061
Source:
Ground water
Serves:
176 people

EPA & DEP violations

Arizona Water Co - Pinal Valley

PWSID AZ041100937 violations

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Aug 20, 2025 · 11 months ago · Source ↗

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityResolved

    EPA SDWIS violation 30004 (code 34) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

    EPA SDWIS · Monitoring violation · Began Aug 20, 2025 · 11 months ago · Source ↗

  • Arsenic — MR violation

    medium severityResolved

    Arsenic MR violation (Resolved).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29976 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29977 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29978 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29979 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29980 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29981 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29982 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29983 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29984 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29985 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29986 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29987 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29988 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29989 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29990 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29991 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29992 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29993 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29994 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29995 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29996 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29997 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29998 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 29999 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 30000 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 30001 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 30002 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityOpen

    EPA SDWIS violation 30003 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityResolved

    EPA SDWIS violation 29948 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Reporting violation — ARIZONA WATER CO - PINAL VALLEY

    low severityResolved

    EPA SDWIS violation 29947 (code 4B) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityResolved

    EPA SDWIS violation 29905 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityResolved

    EPA SDWIS violation 29912 (code 27) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Monitoring violation — ARIZONA WATER CO - PINAL VALLEY

    low severityResolved

    EPA SDWIS violation 29934 (code 03) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

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

  • Other violation — ARIZONA WATER CO - PINAL VALLEY

    low severityResolved

    EPA SDWIS violation 29792 (code 71) at ARIZONA WATER CO - PINAL VALLEY (PWSID AZ0411009).

    EPA SDWIS · Other violation · Began Jul 1, 2002 · 24 years ago · Source ↗

Arizona Water Co - Stanfield

PWSID AZ04110127 violations

  • Reporting violation — ARIZONA WATER CO - STANFIELD

    low severityResolved

    EPA SDWIS violation 2133 (code 4G) at ARIZONA WATER CO - STANFIELD (PWSID AZ0411012).

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

  • Treatment technique violation — ARIZONA WATER CO - STANFIELD

    high severityHealth-basedResolved

    EPA SDWIS violation 2134 (code 2E) at ARIZONA WATER CO - STANFIELD (PWSID AZ0411012).

    EPA SDWIS · Treatment technique violation · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Reporting violation — ARIZONA WATER CO - STANFIELD

    low severityResolved

    EPA SDWIS violation 2132 (code 4B) at ARIZONA WATER CO - STANFIELD (PWSID AZ0411012).

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

  • Monitoring violation — ARIZONA WATER CO - STANFIELD

    low severityResolved

    EPA SDWIS violation 2126 (code 27) at ARIZONA WATER CO - STANFIELD (PWSID AZ0411012).

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

  • Other violation — ARIZONA WATER CO - STANFIELD

    low severityResolved

    EPA SDWIS violation 2082 (code 71) at ARIZONA WATER CO - STANFIELD (PWSID AZ0411012).

    EPA SDWIS · Other violation · Began Jul 1, 2010 · 16 years ago · Source ↗

  • Other violation — ARIZONA WATER CO - STANFIELD

    low severityResolved

    EPA SDWIS violation 2081 (code 71) at ARIZONA WATER CO - STANFIELD (PWSID AZ0411012).

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

  • Other violation — ARIZONA WATER CO - STANFIELD

    low severityResolved

    EPA SDWIS violation 2080 (code 71) at ARIZONA WATER CO - STANFIELD (PWSID AZ0411012).

    EPA SDWIS · Other violation · Began Jul 1, 2002 · 24 years ago · Source ↗

Awc - Casa Grande West Water Company

PWSID AZ041102443 violations

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15099 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15097 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Reporting violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15094 (code 4B) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Reporting violation · Began Jul 1, 2019 · 7 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15090 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2019 · 7 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15089 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15086 (code 03) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15085 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2017 · 8 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15087 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2017 · 8 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15088 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2017 · 8 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15077 (code 3A) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Jun 1, 2017 · 9 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15078 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Apr 1, 2017 · 9 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15076 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2016 · 9 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15081 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2016 · 9 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15082 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2016 · 9 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15073 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15066 (code 03) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Apr 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15058 (code 03) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15065 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15069 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15070 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15053 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15062 (code 27) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15057 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Other violation · Began Jul 1, 2015 · 11 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 15005 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2014 · 11 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14987 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2013 · 12 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14977 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2012 · 13 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14978 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Other violation · Began Jul 1, 2012 · 14 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14958 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2010 · 15 years ago · Source ↗

  • MCL exceedance — AWC - CASA GRANDE WEST WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 15059 (code 02) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · MCL exceedance · Began Oct 1, 2010 · 15 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14948 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2009 · 16 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14984 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14914 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2007 · 18 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14911 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14913 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2006 · 19 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14906 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Other violation · Began Jul 1, 2006 · 20 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14905 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2005 · 20 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14405 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Other violation · Began Jul 1, 2005 · 21 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14505 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2004 · 21 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14606 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

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

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 12804 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2003 · 22 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14305 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Other violation · Began Jul 1, 2003 · 23 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 12703 (code 52) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2002 · 23 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE WEST WATER COMPANY

    low severityResolved

    EPA SDWIS violation 14982 (code 71) at AWC - CASA GRANDE WEST WATER COMPANY (PWSID AZ0411024).

    EPA SDWIS · Other violation · Began Jul 1, 2002 · 24 years ago · Source ↗

Arizona Water Co - Tierra Grande

PWSID AZ04110766 violations

  • Reporting violation — ARIZONA WATER CO - TIERRA GRANDE

    low severityResolved

    EPA SDWIS violation 969 (code 4G) at ARIZONA WATER CO - TIERRA GRANDE (PWSID AZ0411076).

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

  • Treatment technique violation — ARIZONA WATER CO - TIERRA GRANDE

    high severityHealth-basedResolved

    EPA SDWIS violation 970 (code 2E) at ARIZONA WATER CO - TIERRA GRANDE (PWSID AZ0411076).

    EPA SDWIS · Treatment technique violation · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Reporting violation — ARIZONA WATER CO - TIERRA GRANDE

    low severityResolved

    EPA SDWIS violation 968 (code 4B) at ARIZONA WATER CO - TIERRA GRANDE (PWSID AZ0411076).

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

  • Monitoring violation — ARIZONA WATER CO - TIERRA GRANDE

    low severityResolved

    EPA SDWIS violation 963 (code 27) at ARIZONA WATER CO - TIERRA GRANDE (PWSID AZ0411076).

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

  • Monitoring violation — ARIZONA WATER CO - TIERRA GRANDE

    low severityResolved

    EPA SDWIS violation 934 (code 52) at ARIZONA WATER CO - TIERRA GRANDE (PWSID AZ0411076).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2014 · 11 years ago · Source ↗

  • Other violation — ARIZONA WATER CO - TIERRA GRANDE

    low severityResolved

    EPA SDWIS violation 917 (code 71) at ARIZONA WATER CO - TIERRA GRANDE (PWSID AZ0411076).

    EPA SDWIS · Other violation · Began Jul 1, 2002 · 24 years ago · Source ↗

Awc - Casa Grande South Water Company

PWSID AZ041106127 violations

  • Reporting violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1355 (code 4G) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

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

  • Treatment technique violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    high severityHealth-basedResolved

    EPA SDWIS violation 1356 (code 2E) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Treatment technique violation · Began Oct 17, 2024 · 1 year ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1354 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

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

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1351 (code 66) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Dec 10, 2020 · 5 years ago · Source ↗

  • Reporting violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1350 (code 4B) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

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

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1348 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

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

  • Reporting violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1344 (code 4B) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Reporting violation · Began Jul 1, 2019 · 7 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1342 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2019 · 7 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1339 (code 66) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Nov 3, 2017 · 8 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1335 (code 52) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2017 · 8 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1338 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2017 · 8 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1333 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Apr 1, 2017 · 9 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1331 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2016 · 9 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1328 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Jul 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1325 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Jan 1, 2016 · 10 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1322 (code 27) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

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

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1319 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Other violation · Began Jul 1, 2015 · 11 years ago · Source ↗

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1275 (code 52) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2014 · 11 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1251 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Other violation · Began Jul 1, 2012 · 14 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1258 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

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

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1244 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

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

  • Monitoring violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1233 (code 52) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Monitoring violation · Began Oct 1, 2006 · 19 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1256 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Other violation · Began Jul 1, 2006 · 20 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 1206 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Other violation · Began Jul 1, 2005 · 21 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 805 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

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

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 705 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Other violation · Began Jul 1, 2003 · 23 years ago · Source ↗

  • Other violation — AWC - CASA GRANDE SOUTH WATER COMPANY

    low severityResolved

    EPA SDWIS violation 605 (code 71) at AWC - CASA GRANDE SOUTH WATER COMPANY (PWSID AZ0411061).

    EPA SDWIS · Other violation · Began Jul 1, 2002 · 24 years ago · Source ↗

City-wide

18 violations

  • Lead and Copper Rule — MR violation

    medium severityUnaddressed

    Lead and Copper Rule MR violation (Unaddressed).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Nov 19, 2025 · 8 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 ↗

  • 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 ↗

  • 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 — 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 ↗

  • 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 ↗

  • Total Haloacetic Acids (HAA5) — MR violation

    medium severityResolved

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

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

  • TTHM — MR violation

    medium severityResolved

    TTHM MR violation (Resolved).

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

  • Arsenic — MCL violation

    high severityHealth-basedResolved

    Arsenic MCL violation (Resolved).

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

  • Public Notice — Other violation

    medium severityResolved

    Public Notice Other violation (Resolved).

    EPA SDWIS · Other · Began Mar 31, 2024 · 2 years ago · Source ↗

  • Arsenic — MCL violation

    high severityHealth-basedResolved

    Arsenic MCL violation (Resolved).

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

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedResolved

    Revised Total Coliform Rule TT violation (Resolved).

    EPA SDWIS · TT · Began Dec 10, 2023 · 2 years ago · Source ↗

  • E. COLI — MR violation

    medium severityResolved

    E. COLI MR violation (Resolved).

    EPA SDWIS · MR · Began Nov 23, 2023 · 2 years ago · Source ↗

  • Arsenic — MCL violation

    high severityHealth-basedResolved

    Arsenic MCL violation (Resolved).

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

  • Revised Total Coliform Rule — RPT violation

    medium severityResolved

    Revised Total Coliform Rule RPT violation (Resolved).

    EPA SDWIS · RPT · Began Sep 1, 2023 · 2 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.