Rough Rock, 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
Rough Rock Ntua
- PWSID:
- NN0400396
- Source:
- Ground water
- Serves:
- 455 people
Rough Rock Demonstration School Bia
- PWSID:
- NN0435112
- Source:
- Ground water
- Serves:
- 200 people
EPA & DEP violations
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Apr 1, 2025 · 1 year ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Mar 1, 2025 · 1 year ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Oct 1, 2023 · 2 years ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began Oct 1, 2022 · 3 years ago · Source ↗
Revised Total Coliform Rule — MON violation
medium severityResolvedRevised Total Coliform Rule MON violation (Resolved).
EPA SDWIS · MON · Began Nov 1, 2020 · 5 years ago · Source ↗
Revised Total Coliform Rule — RPT violation
medium severityResolvedRevised Total Coliform Rule RPT violation (Resolved).
EPA SDWIS · RPT · Began May 1, 2020 · 6 years ago · Source ↗
E. COLI — MR violation
medium severityResolvedE. COLI MR violation (Resolved).
EPA SDWIS · MR · Began Aug 1, 2016 · 9 years ago · Source ↗
Revised Total Coliform Rule — Other violation
medium severityResolvedRevised Total Coliform Rule Other violation (Resolved).
EPA SDWIS · Other · Began Apr 1, 2016 · 10 years ago · Source ↗
Revised Total Coliform Rule — Other violation
medium severityResolvedRevised Total Coliform Rule Other violation (Resolved).
EPA SDWIS · Other · Began Apr 1, 2016 · 10 years ago · Source ↗
Stage 2 Disinfectants and Disinfection Byproducts Rule — MR violation
medium severityResolvedStage 2 Disinfectants and Disinfection Byproducts Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
Stage 2 Disinfectants and Disinfection Byproducts Rule — MR violation
medium severityResolvedStage 2 Disinfectants and Disinfection Byproducts Rule MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Dec 1, 2012 · 13 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Dec 1, 2012 · 13 years ago · Source ↗
Coliform (TCR) — MR violation
medium severityResolvedColiform (TCR) MR violation (Resolved).
EPA SDWIS · MR · Began Nov 1, 2012 · 13 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2011 · 15 years ago · Source ↗
Coliform (TCR) — MCL violation
high severityHealth-basedResolvedColiform (TCR) MCL violation (Resolved).
EPA SDWIS · MCL · Began Nov 1, 2010 · 15 years ago · Source ↗
Arsenic — MCL violation
high severityHealth-basedResolvedArsenic MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2010 · 15 years ago · Source ↗
Nitrite — MR violation
medium severityResolvedNitrite MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2010 · 16 years ago · Source ↗
TTHM — MR violation
medium severityResolvedTTHM MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2010 · 16 years ago · Source ↗
Nitrate — MR violation
medium severityResolvedNitrate MR violation (Resolved).
EPA SDWIS · MR · Began Jan 1, 2010 · 16 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.