F0/100
KUNA CITY OF — Water Quality Report 2026
Serving 32,038 people · Idaho
Water Source
Groundwater
County
—
System ID
ID4010085
Violations
377
Contaminant Test Results
EPA Violation History
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
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, 2022 – December 31, 2022Rule: Stage 1 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
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 KUNA CITY OF
Is KUNA CITY OF water safe to drink?
KUNA CITY OF water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 377 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has KUNA CITY OF detected?
66 contaminants were tested in KUNA CITY OF's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does KUNA CITY OF have any EPA violations?
Yes, KUNA CITY OF has 377 EPA violation(s) on record, with the most recent in 2022. Violation types include MR, MCL. 6 are health-based violations.
How many people does KUNA CITY OF serve?
KUNA CITY OF serves approximately 32,038 people, Idaho.
What type of water does KUNA CITY OF provide?
KUNA CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ID4010085.
How does KUNA CITY OF compare to other utilities in Idaho?
KUNA CITY OF scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Idaho state page for a full comparison of water systems.