Catalina, AZ
Contamination score
Higher = more contaminated vs. other cities.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.

Public water systems
Cs Los Cerros Water Company Inc
- PWSID:
- AZ0410128
- Source:
- Ground water
- Serves:
- 2,613 people
CORONADO FOREST DRIVE WATER COOP
- PWSID:
- AZ0420475
- Source:
- Ground water
- Serves:
- 30 people
GOODMAN WATER COMPANY
- PWSID:
- AZ0411130
- Source:
- Ground water
- Serves:
- 2,656 people
Gw Ocotillo Water - Catalina
- PWSID:
- AZ0410171
- Source:
- Ground water
- Serves:
- 1,168 people
Lago Del Oro Water Company
- PWSID:
- AZ0411117
- Source:
- Ground water
- Serves:
- 18,132 people
ORCHARD VALLEY MOBILE HOME PARK
- PWSID:
- AZ0420159
- Source:
- Ground water
- Serves:
- 130 people
EPA & DEP violations
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2025 · 8 months ago · Source ↗
LEAD AND COPPER RULE REVISIONS — RPT violation
medium severityUnaddressedLEAD AND COPPER RULE REVISIONS RPT violation (Unaddressed).
EPA SDWIS · RPT · Began Jul 2, 2025 · 11 months ago · Source ↗
Chlorine — MR violation
medium severityResolvedChlorine MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Combined Uranium — MR violation
medium severityResolvedCombined Uranium MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Combined Radium (-226 and -228) — MR violation
medium severityResolvedCombined Radium (-226 and -228) MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Radium-226 — MR violation
medium severityResolvedRadium-226 MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Radium-228 — MR violation
medium severityResolvedRadium-228 MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Gross Alpha, Excl. Radon and U — MR violation
medium severityResolvedGross Alpha, Excl. Radon and U MR violation (Resolved).
EPA SDWIS · MR · Began Jul 1, 2025 · 11 months ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Dec 1, 2024 · 1 year ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Dec 1, 2024 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2024 · 2 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Oct 2, 2023 · 2 years ago · Source ↗
Revised Total Coliform Rule — TT violation
high severityHealth-basedResolvedRevised Total Coliform Rule TT violation (Resolved).
EPA SDWIS · TT · Began Sep 5, 2023 · 2 years ago · Source ↗
E. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Aug 5, 2023 · 2 years ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Aug 1, 2023 · 2 years ago · Source ↗
Revised Total Coliform Rule — Other violation
medium severityResolvedRevised Total Coliform Rule Other violation (Resolved).
EPA SDWIS · Other · Began Aug 1, 2023 · 2 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗
Total Haloacetic Acids (HAA5) — MR violation
medium severityResolvedTotal Haloacetic Acids (HAA5) MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2023 · 3 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.