C54/100
CHUBBUCK CITY OF — Water Quality Report 2026
Serving 15,842 people · Idaho
Water Source
Groundwater
County
—
System ID
ID6030008
Violations
35
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2011.
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 CHUBBUCK CITY OF
Is CHUBBUCK CITY OF water safe to drink?
CHUBBUCK CITY OF water receives a grade of C (54/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 35 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CHUBBUCK CITY OF detected?
66 contaminants were tested in CHUBBUCK CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CHUBBUCK CITY OF have any EPA violations?
Yes, CHUBBUCK CITY OF has 35 EPA violation(s) on record, with the most recent in 2011. Violation types include MR, MCL. 2 are health-based violations.
How many people does CHUBBUCK CITY OF serve?
CHUBBUCK CITY OF serves approximately 15,842 people, Idaho.
What type of water does CHUBBUCK CITY OF provide?
CHUBBUCK CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ID6030008.
How does CHUBBUCK CITY OF compare to other utilities in Idaho?
CHUBBUCK CITY OF scores 54/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Idaho state page for a full comparison of water systems.