C47/100
New Lisbon Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,526 residents · Wisconsin
What's In New Lisbon's Tap Water?
21
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
1
Health-Related
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – September 24, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
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
NEW LISBON WATERWORKS
Population Served
2,526
Water Source
Groundwater
System ID
WI7290132
Frequently Asked Questions About New Lisbon Water
Is New Lisbon tap water safe to drink?
New Lisbon, Wisconsin tap water receives a grade of C (47/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 38 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in New Lisbon's water?
Of the 21 contaminants tested in New Lisbon'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 New Lisbon have any water quality violations?
Yes, New Lisbon has 38 EPA violation(s) on record, with the most recent in 2024. Violation types include TT, Other, MR. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in New Lisbon?
New Lisbon 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 New Lisbon's tap water come from?
New Lisbon's drinking water is sourced from groundwater and supplied by NEW LISBON WATERWORKS. The system serves approximately 2,526 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is New Lisbon'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. New Lisbon'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 New Lisbon's water compare to other cities in Wisconsin?
New Lisbon's water quality score of 47/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our Wisconsin state page to see how all cities in the state compare.
What should I do if I'm concerned about New Lisbon's water quality?
If you have concerns about New Lisbon'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 (NEW LISBON 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.