A86/100
JEWELL WATER SUPPLY — Water Quality Report 2026
Serving 1,216 people · Iowa
Water Source
Groundwater
County
—
System ID
IA4027010
Violations
3
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 3.10 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.010 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
2
Unresolved
0
Health-Related
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
TIER 3Unresolved
Exceeded the MCL for disinfection byproducts
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 JEWELL WATER SUPPLY
Is JEWELL WATER SUPPLY water safe to drink?
JEWELL WATER SUPPLY water receives a grade of A (86/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has JEWELL WATER SUPPLY detected?
2 contaminants were tested in JEWELL WATER SUPPLY's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does JEWELL WATER SUPPLY have any EPA violations?
Yes, JEWELL WATER SUPPLY has 3 EPA violation(s) on record, with the most recent in 2024. Violation types include MR.
How many people does JEWELL WATER SUPPLY serve?
JEWELL WATER SUPPLY serves approximately 1,216 people, Iowa. The system provides water to 1 community: Jewell.
What type of water does JEWELL WATER SUPPLY provide?
JEWELL WATER SUPPLY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is IA4027010.
How does JEWELL WATER SUPPLY compare to other utilities in Iowa?
JEWELL 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.