F0/100
PONDEROSA UTILITY CORP — Water Quality Report 2026
Serving 1,585 people · Arizona
Water Source
Groundwater
County
—
System ID
AZ0403018
Violations
79
Contaminant Test Results
EPA Violation History
4
Violations (last 5yr)
0
Unresolved
3
Health-Related
TIER 2Resolved
Violation related to Consumer Confidence Report
When: July 31, 2024 – September 26, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Violation related to Consumer Confidence Report
When: May 17, 2024 – May 22, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Maximum contaminant level violation
When: October 9, 2023 – April 17, 2024Rule: Total Coliform 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: January 1, 2023 – April 26, 2024Rule: 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 PONDEROSA UTILITY CORP
Is PONDEROSA UTILITY CORP water safe to drink?
PONDEROSA UTILITY CORP water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 79 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has PONDEROSA UTILITY CORP detected?
1 contaminants were tested in PONDEROSA UTILITY CORP's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does PONDEROSA UTILITY CORP have any EPA violations?
Yes, PONDEROSA UTILITY CORP has 79 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, MR, Other. 9 are health-based violations.
How many people does PONDEROSA UTILITY CORP serve?
PONDEROSA UTILITY CORP serves approximately 1,585 people, Arizona. The system provides water to 1 community: Flagstaff.
What type of water does PONDEROSA UTILITY CORP provide?
PONDEROSA UTILITY CORP sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is AZ0403018.
How does PONDEROSA UTILITY CORP compare to other utilities in Arizona?
PONDEROSA UTILITY CORP 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.