A96/100
SHELL ROCK MUNI WATER SUPP — Water Quality Report 2026
Serving 1,269 people · Iowa
Water Source
Groundwater
County
—
System ID
IA1286042
Violations
1
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1992.
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 SHELL ROCK MUNI WATER SUPP
Is SHELL ROCK MUNI WATER SUPP water safe to drink?
SHELL ROCK MUNI WATER SUPP water receives a grade of A (96/100), 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 SHELL ROCK MUNI WATER SUPP detected?
1 contaminants were tested in SHELL ROCK MUNI WATER SUPP's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SHELL ROCK MUNI WATER SUPP have any EPA violations?
Yes, SHELL ROCK MUNI WATER SUPP has 1 EPA violation(s) on record, with the most recent in 1992. Violation types include MR.
How many people does SHELL ROCK MUNI WATER SUPP serve?
SHELL ROCK MUNI WATER SUPP serves approximately 1,269 people, Iowa. The system provides water to 1 community: Shell Rock.
What type of water does SHELL ROCK MUNI WATER SUPP provide?
SHELL ROCK MUNI WATER SUPP sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA1286042.
How does SHELL ROCK MUNI WATER SUPP compare to other utilities in Iowa?
SHELL ROCK MUNI WATER SUPP scores 96/100 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.