F0/100
ADOT AIRPORT GRAND CANYON — Water Quality Report 2026
Serving 1,140 people · Arizona
Water Source
Purchased Groundwater
County
—
System ID
AZ0403010
Violations
254
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2022 – March 31, 2022Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About ADOT AIRPORT GRAND CANYON
Is ADOT AIRPORT GRAND CANYON water safe to drink?
ADOT AIRPORT GRAND CANYON water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 254 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ADOT AIRPORT GRAND CANYON detected?
1 contaminants were tested in ADOT AIRPORT GRAND CANYON's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ADOT AIRPORT GRAND CANYON have any EPA violations?
Yes, ADOT AIRPORT GRAND CANYON has 254 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, RPT, Other. 7 are health-based violations.
How many people does ADOT AIRPORT GRAND CANYON serve?
ADOT AIRPORT GRAND CANYON serves approximately 1,140 people, Arizona. The system provides water to 1 community: Tusayan.
What type of water does ADOT AIRPORT GRAND CANYON provide?
ADOT AIRPORT GRAND CANYON sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0403010.
How does ADOT AIRPORT GRAND CANYON compare to other utilities in Arizona?
ADOT AIRPORT GRAND CANYON scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Arizona state page for a full comparison of water systems.