Katherine, 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
Katherine Landing Dwtp
- PWSID:
- AZ0408701
- Source:
- Surface water
- Serves:
- 1,300 people
EPA & DEP violations
Katherine Landing Dwtp
PWSID AZ040870120 violationsChlorine — MR violation
medium severityArchivedChlorine MR violation (Archived).
EPA SDWIS · MR · Began Jan 1, 2026 · 7 months ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2025 · 10 months ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began May 1, 2025 · 1 year ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2025 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Jan 31, 2025 · 1 year ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2025 · 1 year ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Dec 2, 2024 · 1 year ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2024 · 1 year ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2024 · 2 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Jun 30, 2024 · 2 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Jun 1, 2024 · 2 years ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began May 1, 2024 · 2 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Apr 12, 2024 · 2 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Apr 1, 2024 · 2 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Apr 1, 2024 · 2 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Mar 1, 2024 · 2 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Feb 1, 2024 · 2 years ago · Source ↗
Public Notice — Other violation
medium severityResolvedPublic Notice Other violation (Resolved).
EPA SDWIS · Other · Began Jan 2, 2024 · 2 years ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MCL violation
high severityHealth-basedResolvedTotal Haloacetic Acids (HAA5) MCL violation (Resolved).
EPA SDWIS · MCL · Began Jan 1, 2024 · 2 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.