A81/100
OELWEIN MUNICIPAL WATER WORKS — Water Quality Report 2026
Serving 5,920 people · Iowa
Water Source
Groundwater
County
—
System ID
IA3353088
Violations
8
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.004 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2014.
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 OELWEIN MUNICIPAL WATER WORKS
Is OELWEIN MUNICIPAL WATER WORKS water safe to drink?
OELWEIN MUNICIPAL WATER WORKS water receives a grade of A (81/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has OELWEIN MUNICIPAL WATER WORKS detected?
31 contaminants were tested in OELWEIN MUNICIPAL WATER WORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does OELWEIN MUNICIPAL WATER WORKS have any EPA violations?
Yes, OELWEIN MUNICIPAL WATER WORKS has 8 EPA violation(s) on record, with the most recent in 2014. Violation types include MR, MCL. 2 are health-based violations.
How many people does OELWEIN MUNICIPAL WATER WORKS serve?
OELWEIN MUNICIPAL WATER WORKS serves approximately 5,920 people, Iowa. The system provides water to 1 community: Oelwein.
What type of water does OELWEIN MUNICIPAL WATER WORKS provide?
OELWEIN MUNICIPAL WATER WORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA3353088.
How does OELWEIN MUNICIPAL WATER WORKS compare to other utilities in Iowa?
OELWEIN MUNICIPAL WATER WORKS scores 81/100 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.