A92/100
ROCKWELL CITY WATER SUPPLY — Water Quality Report 2026
Serving 2,250 people · Iowa
Water Source
Groundwater
County
—
System ID
IA1376098
Violations
5
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
Surface water treatment technique failure
When: July 1, 2024 – August 27, 2024Enforcement: 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 ROCKWELL CITY WATER SUPPLY
Is ROCKWELL CITY WATER SUPPLY water safe to drink?
ROCKWELL CITY WATER SUPPLY water receives a grade of A (92/100), which is considered excellent. 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 ROCKWELL CITY WATER SUPPLY detected?
1 contaminants were tested in ROCKWELL CITY WATER SUPPLY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ROCKWELL CITY WATER SUPPLY have any EPA violations?
Yes, ROCKWELL CITY WATER SUPPLY has 5 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR.
How many people does ROCKWELL CITY WATER SUPPLY serve?
ROCKWELL CITY WATER SUPPLY serves approximately 2,250 people, Iowa. The system provides water to 1 community: Rockwell City.
What type of water does ROCKWELL CITY WATER SUPPLY provide?
ROCKWELL CITY WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA1376098.
How does ROCKWELL CITY WATER SUPPLY compare to other utilities in Iowa?
ROCKWELL CITY WATER SUPPLY scores 92/100 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.