A93/100
STORM LAKE WATER TREATMENT PLANT — Water Quality Report 2026
Serving 11,431 people · Iowa
Water Source
Groundwater
County
—
System ID
IA1178097
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
chlorate | 281.00 µg/L | — | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 STORM LAKE WATER TREATMENT PLANT
Is STORM LAKE WATER TREATMENT PLANT water safe to drink?
STORM LAKE WATER TREATMENT PLANT water receives a grade of A (93/100), which is considered excellent. Out of 66 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has STORM LAKE WATER TREATMENT PLANT detected?
66 contaminants were tested in STORM LAKE WATER TREATMENT PLANT's water. Notable contaminants include chlorate. No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does STORM LAKE WATER TREATMENT PLANT have any EPA violations?
Yes, STORM LAKE WATER TREATMENT PLANT has 4 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, Other.
How many people does STORM LAKE WATER TREATMENT PLANT serve?
STORM LAKE WATER TREATMENT PLANT serves approximately 11,431 people, Iowa. The system provides water to 1 community: Storm Lake.
What type of water does STORM LAKE WATER TREATMENT PLANT provide?
STORM LAKE WATER TREATMENT PLANT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA1178097.
How does STORM LAKE WATER TREATMENT PLANT compare to other utilities in Iowa?
STORM LAKE WATER TREATMENT PLANT scores 93/100 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.