A86/100
SIBLEY PUBLIC WATER SUPPLY — Water Quality Report 2026
Serving 2,860 people · Iowa
Water Source
Purchased Groundwater
County
—
System ID
IA7245047
Violations
3
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.40 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1993.
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 SIBLEY PUBLIC WATER SUPPLY
Is SIBLEY PUBLIC WATER SUPPLY water safe to drink?
SIBLEY PUBLIC WATER SUPPLY water receives a grade of A (86/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SIBLEY PUBLIC WATER SUPPLY detected?
2 contaminants were tested in SIBLEY PUBLIC WATER SUPPLY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SIBLEY PUBLIC WATER SUPPLY have any EPA violations?
Yes, SIBLEY PUBLIC WATER SUPPLY has 3 EPA violation(s) on record, with the most recent in 1993. Violation types include MR.
How many people does SIBLEY PUBLIC WATER SUPPLY serve?
SIBLEY PUBLIC WATER SUPPLY serves approximately 2,860 people, Iowa. The system provides water to 1 community: Sibley.
What type of water does SIBLEY PUBLIC WATER SUPPLY provide?
SIBLEY PUBLIC WATER SUPPLY sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA7245047.
How does SIBLEY PUBLIC WATER SUPPLY compare to other utilities in Iowa?
SIBLEY PUBLIC WATER SUPPLY scores 86/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Iowa state page for a full comparison of water systems.