F16/100
Chippewa Falls Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 13,375 residents · Wisconsin
What's In Chippewa Falls'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) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2022 – July 31, 2022Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
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
CHIPPEWA FALLS WATERWORKS
Population Served
13,375
Water Source
Groundwater
System ID
WI6090456
Frequently Asked Questions About Chippewa Falls Water
Is Chippewa Falls tap water safe to drink?
Chippewa Falls, Wisconsin tap water receives a grade of F (16/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 69 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Chippewa Falls's water?
Of the 66 contaminants tested in Chippewa Falls'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 Chippewa Falls have any water quality violations?
Yes, Chippewa Falls has 69 EPA violation(s) on record, with the most recent in 2022. Violation types include MON, MR, MCL. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Chippewa Falls?
Chippewa Falls 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 Chippewa Falls's tap water come from?
Chippewa Falls's drinking water is sourced from groundwater and supplied by CHIPPEWA FALLS WATERWORKS. The system serves approximately 13,375 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Chippewa Falls'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. Chippewa Falls'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 Chippewa Falls's water compare to other cities in Wisconsin?
Chippewa Falls's water quality score of 16/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our Wisconsin state page to see how all cities in the state compare.
What should I do if I'm concerned about Chippewa Falls's water quality?
If you have concerns about Chippewa Falls'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 (CHIPPEWA FALLS 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.