B66/100
CLARENCE WATER SUPPLY — Water Quality Report 2026
Serving 1,039 people · Iowa
Water Source
Groundwater
County
—
System ID
IA1630028
Violations
19
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2017.
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 CLARENCE WATER SUPPLY
Is CLARENCE WATER SUPPLY water safe to drink?
CLARENCE WATER SUPPLY water receives a grade of B (66/100), which is considered good. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CLARENCE WATER SUPPLY detected?
1 contaminants were tested in CLARENCE WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CLARENCE WATER SUPPLY have any EPA violations?
Yes, CLARENCE WATER SUPPLY has 19 EPA violation(s) on record, with the most recent in 2017. Violation types include MON, MR, MCL. 3 are health-based violations.
How many people does CLARENCE WATER SUPPLY serve?
CLARENCE WATER SUPPLY serves approximately 1,039 people, Iowa. The system provides water to 1 community: Clarence.
What type of water does CLARENCE WATER SUPPLY provide?
CLARENCE WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA1630028.
How does CLARENCE WATER SUPPLY compare to other utilities in Iowa?
CLARENCE WATER SUPPLY scores 66/100 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.