Is Mariano Lake Community School - BIA Water Safe to Drink in 2026?
Arizona · PWSID 093534012 · Ground water
Population served
267
Cities served
Mariano Lake Boarding School
State / jurisdiction
Arizona (AZ)
PWSID
093534012
A
TAP WATER GRADE
Good
Model score 85/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
No major violations flagged in the latest federal quarterly snapshot
Water operator? Publish your official 2027 CCR here — residents already find this page. Claim free →
CONTAMINANTS — EPA UCMR5 MONITORING
No UCMR5 PFAS detects on file for this PWS in our bundled national dataset — the system may be smaller than UCMR5 thresholds, had non-detects, or results are not yet linked to this ID. Your retailer Annual Water Quality Report lists other regulated contaminants (chlorine, DBPs, nitrates, etc.).
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 0 violation-related records with this system in the same reporting quarter as the utility snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on Mariano Lake Community School - BIA's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
WHY THIS FOR MARIANO LAKE COMMUNITY SCHOOL - BIA · Chosen for Mariano Lake Community School - BIA because groundwater supplies can carry nitrates, arsenic, and localized contamination. RO is the strongest barrier for sensitive households.
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