C49/100
GRIMES WATER SUPPLY — Water Quality Report 2026
Serving 15,392 people · Iowa
Water Source
Groundwater
County
—
System ID
IA7736011
Violations
15
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2021.
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 GRIMES WATER SUPPLY
Is GRIMES WATER SUPPLY water safe to drink?
GRIMES WATER SUPPLY water receives a grade of C (49/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 15 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has GRIMES WATER SUPPLY detected?
31 contaminants were tested in GRIMES WATER SUPPLY's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does GRIMES WATER SUPPLY have any EPA violations?
Yes, GRIMES WATER SUPPLY has 15 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other, MCL. 9 are health-based violations.
How many people does GRIMES WATER SUPPLY serve?
GRIMES WATER SUPPLY serves approximately 15,392 people, Iowa. The system provides water to 1 community: Grimes.
What type of water does GRIMES WATER SUPPLY provide?
GRIMES WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA7736011.
How does GRIMES WATER SUPPLY compare to other utilities in Iowa?
GRIMES WATER SUPPLY scores 49/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Iowa state page for a full comparison of water systems.