C44/100
Red Rock NTUA — Water Quality Report 2026
Serving 1,652 people · Arizona
Water Source
Groundwater
County
—
System ID
NN3500335
Violations
37
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
No violations in the past 5 years
Full EPA compliance since 2020.
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 Red Rock NTUA
Is Red Rock NTUA water safe to drink?
Red Rock NTUA water receives a grade of C (44/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 37 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has Red Rock NTUA detected?
1 contaminants were tested in Red Rock NTUA's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does Red Rock NTUA have any EPA violations?
Yes, Red Rock NTUA has 37 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, Other, MCL. 4 are health-based violations.
How many people does Red Rock NTUA serve?
Red Rock NTUA serves approximately 1,652 people, Arizona. The system provides water to 1 community: Red Rock (South Of Gallup).
What type of water does Red Rock NTUA provide?
Red Rock NTUA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NN3500335.
How does Red Rock NTUA compare to other utilities in Arizona?
Red Rock NTUA scores 44/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Arizona state page for a full comparison of water systems.