A88/100
CHEROKEE RWS- MILL CREEK SUBSYSTEM — Water Quality Report 2026
Serving 1,451 people · Iowa
Water Source
Groundwater
County
—
System ID
IA1800900
Violations
9
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.012 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2015.
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 CHEROKEE RWS- MILL CREEK SUBSYSTEM
Is CHEROKEE RWS- MILL CREEK SUBSYSTEM water safe to drink?
CHEROKEE RWS- MILL CREEK SUBSYSTEM water receives a grade of A (88/100), 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 CHEROKEE RWS- MILL CREEK SUBSYSTEM detected?
1 contaminants were tested in CHEROKEE RWS- MILL CREEK SUBSYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CHEROKEE RWS- MILL CREEK SUBSYSTEM have any EPA violations?
Yes, CHEROKEE RWS- MILL CREEK SUBSYSTEM has 9 EPA violation(s) on record, with the most recent in 2015. Violation types include MR.
How many people does CHEROKEE RWS- MILL CREEK SUBSYSTEM serve?
CHEROKEE RWS- MILL CREEK SUBSYSTEM serves approximately 1,451 people, Iowa. The system provides water to 1 community: Cherokee.
What type of water does CHEROKEE RWS- MILL CREEK SUBSYSTEM provide?
CHEROKEE RWS- MILL CREEK SUBSYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA1800900.
How does CHEROKEE RWS- MILL CREEK SUBSYSTEM compare to other utilities in Iowa?
CHEROKEE RWS- MILL CREEK SUBSYSTEM scores 88/100 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.