F4/100
MIDDLETON CITY OF — Water Quality Report 2026
Serving 13,190 people · Idaho
Water Source
Groundwater
County
—
System ID
ID3140074
Violations
69
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 2018.
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 MIDDLETON CITY OF
Is MIDDLETON CITY OF water safe to drink?
MIDDLETON CITY OF water receives a grade of F (4/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 69 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has MIDDLETON CITY OF detected?
51 contaminants were tested in MIDDLETON CITY OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MIDDLETON CITY OF have any EPA violations?
Yes, MIDDLETON CITY OF has 69 EPA violation(s) on record, with the most recent in 2018. Violation types include MON, MR, MCL. 6 are health-based violations.
How many people does MIDDLETON CITY OF serve?
MIDDLETON CITY OF serves approximately 13,190 people, Idaho.
What type of water does MIDDLETON CITY OF provide?
MIDDLETON CITY OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is ID3140074.
How does MIDDLETON CITY OF compare to other utilities in Idaho?
MIDDLETON CITY OF scores 4/100 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.