Parker, AZ
Contamination score
Higher = more contaminated vs. other cities.
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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
Cienega Water Company Inc
- PWSID:
- AZ0415002
- Source:
- Ground water
- Serves:
- 108 people
Epcor - Rio Lindo
- PWSID:
- AZ0415040
- Source:
- Surface water
- Serves:
- 79 people
Epcor - Holiday Harbor
- PWSID:
- AZ0415058
- Source:
- Surface water
- Serves:
- 559 people
Epcor - Moovalya Keys
- PWSID:
- AZ0415006
- Source:
- Surface water
- Serves:
- 1,298 people
Epcor - Lakeside
- PWSID:
- AZ0415010
- Source:
- Surface water
- Serves:
- 1,775 people
Epcor - Marina Village
- PWSID:
- AZ0415011
- Source:
- Surface water
- Serves:
- 528 people
Epcor - Parker Dam
- PWSID:
- AZ0415027
- Source:
- Surface water
- Serves:
- 429 people
EPA & DEP violations
City-wide
20 violationsPublic Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Mar 4, 2026 · 5 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Mar 1, 2026 · 5 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Feb 1, 2026 · 6 months ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Dec 1, 2025 · 8 months ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Nov 15, 2025 · 8 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Nov 1, 2025 · 9 months ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Oct 2, 2025 · 10 months ago · Source ↗
Fluoride — MR violation
medium severityResolvedFluoride MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗
Chlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2025 · 10 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Sep 1, 2025 · 11 months ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Sep 1, 2025 · 11 months ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 30, 2025 · 1 year ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityUnaddressedConsumer Confidence Rule Other violation (Unaddressed).
EPA SDWIS · Other · Began Jul 1, 2025 · 1 year ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began May 1, 2025 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Apr 1, 2025 · 1 year ago · Source ↗
Fluoride — MCL violation
high severityHealth-basedArchivedFluoride MCL violation (Archived).
EPA SDWIS · MCL · Began Apr 1, 2025 · 1 year ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2025 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityUnaddressedPublic Notice Other violation (Unaddressed).
EPA SDWIS · Other · Began Jan 16, 2025 · 1 year ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.