F0/100
MARANA MUNICIPAL - MARANA — Water Quality Report 2026
Serving 15,162 people · Arizona
Water Source
Groundwater
County
—
System ID
AZ0410150
Violations
152
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
PFHxS | 0.021 µg/L | 0.010 µg/L | Over Limit |
PFOS | 0.018 µg/L | 0.004 µg/L | Over Limit |
PFOA | 0.006 µg/L | 0.004 µg/L | Over Limit |
EPA Violation History
2
Violations (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: October 1, 2023 – December 31, 2023Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
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: July 1, 2021 – September 30, 2021Rule: 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 MARANA MUNICIPAL - MARANA
Is MARANA MUNICIPAL - MARANA water safe to drink?
MARANA MUNICIPAL - MARANA water receives a grade of F (0/100), which is considered failing. 3 contaminant(s) exceed EPA legal limits and 152 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MARANA MUNICIPAL - MARANA detected?
31 contaminants were tested in MARANA MUNICIPAL - MARANA's water. Notable contaminants include PFOS, PFHxS, PFOA. 3 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does MARANA MUNICIPAL - MARANA have any EPA violations?
Yes, MARANA MUNICIPAL - MARANA has 152 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does MARANA MUNICIPAL - MARANA serve?
MARANA MUNICIPAL - MARANA serves approximately 15,162 people, Arizona. The system provides water to 1 community: Marana.
What type of water does MARANA MUNICIPAL - MARANA provide?
MARANA MUNICIPAL - MARANA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0410150.
How does MARANA MUNICIPAL - MARANA compare to other utilities in Arizona?
MARANA MUNICIPAL - MARANA 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.