B63/100
Fort Atkinson Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 12,390 residents · Wisconsin
What's In Fort Atkinson's Tap Water?
66
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.013 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1996.
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
FORT ATKINSON WATERWORKS
Population Served
12,390
Water Source
Groundwater
System ID
WI1280103
Frequently Asked Questions About Fort Atkinson Water
Is Fort Atkinson tap water safe to drink?
Fort Atkinson, Wisconsin tap water receives a grade of B (63/100), which is considered good. Out of 66 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 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 Fort Atkinson's water?
Of the 66 contaminants tested in Fort Atkinson's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Fort Atkinson have any water quality violations?
Yes, Fort Atkinson has 10 EPA violation(s) on record, with the most recent in 1996. Violation types include MCL, MR. 6 of these are health-based violations, which are the most serious category.
Do I need a water filter in Fort Atkinson?
Fort Atkinson water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Fort Atkinson's tap water come from?
Fort Atkinson's drinking water is sourced from groundwater and supplied by FORT ATKINSON WATERWORKS. The system serves approximately 12,390 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Fort Atkinson'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. Fort Atkinson'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 Fort Atkinson's water compare to other cities in Wisconsin?
Fort Atkinson's water quality score of 63/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Wisconsin state page to see how all cities in the state compare.
What should I do if I'm concerned about Fort Atkinson's water quality?
If you have concerns about Fort Atkinson'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 (FORT ATKINSON WATERWORKS) 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.