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PUBLIC WATER SYSTEM REPORT
Is Twin Arrows Navajo Casino Internal Water Safe to Drink in 2026?
Jurisdiction NN · PWSID NN0400821 · Ground water
Population served
25
Cities served
Twin Arrows Navajo Casino Internal
State / jurisdiction
Jurisdiction NN (NN)
PWSID
NN0400821
B-
TAP WATER GRADE
Fair
Model score 70/88 from violations, PFAS profile, and monitoring signals — not a laboratory test of your faucet.
93 violation record(s) in the latest EPA SDWA quarterly snapshot
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.).
Official Consumer Confidence Report (CCR)
📋 The official 2026 CCR for Twin Arrows Navajo Casino Internal has not yet been published on WaterCheckup.
Are you the water operator for Twin Arrows Navajo Casino Internal? Publish your official CCR here for free — your customers are already finding this page.
Residents: Your public water system is required by EPA to publish an annual CCR by July 1st each year. Contact Twin Arrows Navajo Casino Internaldirectly to request a copy, or check the EPA's national CCR portal at cfpub.epa.gov/ccr.
VIOLATIONS HISTORY (FEDERAL SNAPSHOT)
EPA’s national SDWA quarterly files associate 93 violation-related records with this system in the same reporting quarter as the public water system snapshot used on WaterCheckup. This is not a complete historical docket — see ECHO and SDWIS for full compliance context.
Based on Twin Arrows Navajo Casino Internal's monitoring and violation profile, here are vetted filtration options — same picks framework as our city reports.
Certified Filter Recommendations
Matched to what's actually in your water
TOP PICKS FOR TWIN ARROWS NAVAJO CASINO INTERNAL
⚠ EPA violations / contaminants in monitoring data
WHY THIS FOR TWIN ARROWS NAVAJO CASINO INTERNAL · Chosen for Twin Arrows Navajo Casino Internal because the latest federal SDWA snapshot lists substantial violation activity. Certified reverse osmosis provides the broadest residential barrier for households that want margin beyond legal compliance.
Get water quality alerts for Twin Arrows Navajo Casino Internal
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