A86/100
Jewell Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,216 residents · Iowa
What's In Jewell's Tap Water?
2
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
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
Water Utility Details
JEWELL WATER SUPPLY
Population Served
1,216
Water Source
Groundwater
System ID
IA4027010
Frequently Asked Questions About Jewell Water
Is Jewell tap water safe to drink?
Jewell, Iowa tap water receives a grade of A (86/100), which is considered excellent. Out of 2 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in Jewell's water?
Of the 2 contaminants tested in Jewell's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Jewell have any water quality violations?
Yes, Jewell has 3 EPA violation(s) on record, with the most recent in 2024. Violation types include MR. None of these are classified as health-based violations.
Do I need a water filter in Jewell?
Based on EPA data, using a water filter in Jewell is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Jewell's tap water come from?
Jewell's drinking water is sourced from groundwater and supplied by JEWELL WATER SUPPLY. The system serves approximately 1,216 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Jewell's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Jewell's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Jewell's water compare to other cities in Iowa?
Jewell's water quality score of 86/100 earns a grade of A, which is considered excellent. This places Jewell among the better-performing water systems in Iowa. Visit our Iowa state page to see how all cities in the state compare.
What should I do if I'm concerned about Jewell's water quality?
If you have concerns about Jewell's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (JEWELL WATER SUPPLY) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.