F0/100
NEW LONDON WATERWORKS — Water Quality Report 2026
Serving 7,187 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI4690398
Violations
134
Contaminant Test Results
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 2012.
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 NEW LONDON WATERWORKS
Is NEW LONDON WATERWORKS water safe to drink?
NEW LONDON WATERWORKS water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 134 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has NEW LONDON WATERWORKS detected?
31 contaminants were tested in NEW LONDON WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does NEW LONDON WATERWORKS have any EPA violations?
Yes, NEW LONDON WATERWORKS has 134 EPA violation(s) on record, with the most recent in 2012. Violation types include MR, Other, MCL. 1 are health-based violations.
How many people does NEW LONDON WATERWORKS serve?
NEW LONDON WATERWORKS serves approximately 7,187 people, Wisconsin. The system provides water to 1 community: New London.
What type of water does NEW LONDON WATERWORKS provide?
NEW LONDON WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI4690398.
How does NEW LONDON WATERWORKS compare to other utilities in Wisconsin?
NEW LONDON WATERWORKS scores 0/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.