B62/100
SUMNER WATER SUPPLY — Water Quality Report 2026
Serving 2,030 people · Iowa
Water Source
Groundwater
County
—
System ID
IA0970006
Violations
38
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2008.
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 SUMNER WATER SUPPLY
Is SUMNER WATER SUPPLY water safe to drink?
SUMNER WATER SUPPLY water receives a grade of B (62/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has SUMNER WATER SUPPLY detected?
1 contaminants were tested in SUMNER WATER SUPPLY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does SUMNER WATER SUPPLY have any EPA violations?
Yes, SUMNER WATER SUPPLY has 38 EPA violation(s) on record, with the most recent in 2008. Violation types include MR.
How many people does SUMNER WATER SUPPLY serve?
SUMNER WATER SUPPLY serves approximately 2,030 people, Iowa. The system provides water to 1 community: Sumner.
What type of water does SUMNER WATER SUPPLY provide?
SUMNER WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA0970006.
How does SUMNER WATER SUPPLY compare to other utilities in Iowa?
SUMNER WATER SUPPLY scores 62/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Iowa state page for a full comparison of water systems.