F0/100
Grand Canyon West — Water Quality Report 2026
Serving 3,120 people · Arizona
Water Source
Groundwater
County
—
System ID
090400101
Violations
132
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Other non-health-based violation
When: December 10, 2023 – July 8, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 10, 2022 – July 8, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – December 31, 2022Rule: Ground Water RuleEnforcement: 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 Grand Canyon West
Is Grand Canyon West water safe to drink?
Grand Canyon West water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 132 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has Grand Canyon West detected?
1 contaminants were tested in Grand Canyon West's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does Grand Canyon West have any EPA violations?
Yes, Grand Canyon West has 132 EPA violation(s) on record, with the most recent in 2023. Violation types include TT, MR, Other. 15 are health-based violations.
How many people does Grand Canyon West serve?
Grand Canyon West serves approximately 3,120 people, Arizona.
What type of water does Grand Canyon West provide?
Grand Canyon West sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is 090400101.
How does Grand Canyon West compare to other utilities in Arizona?
Grand Canyon West 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.