A86/100
CLARKSVILLE WATER SUPPLY — Water Quality Report 2026
Serving 1,254 people · Iowa
Water Source
Groundwater
County
—
System ID
IA1228038
Violations
7
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: December 1, 2021 – January 27, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 CLARKSVILLE WATER SUPPLY
Is CLARKSVILLE WATER SUPPLY water safe to drink?
CLARKSVILLE WATER SUPPLY water receives a grade of A (86/100), 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 CLARKSVILLE WATER SUPPLY detected?
31 contaminants were tested in CLARKSVILLE WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CLARKSVILLE WATER SUPPLY have any EPA violations?
Yes, CLARKSVILLE WATER SUPPLY has 7 EPA violation(s) on record, with the most recent in 2021. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does CLARKSVILLE WATER SUPPLY serve?
CLARKSVILLE WATER SUPPLY serves approximately 1,254 people, Iowa. The system provides water to 1 community: Clarksville.
What type of water does CLARKSVILLE WATER SUPPLY provide?
CLARKSVILLE WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA1228038.
How does CLARKSVILLE WATER SUPPLY compare to other utilities in Iowa?
CLARKSVILLE WATER SUPPLY scores 86/100 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.