F10/100
CAMBRIDGE WATER & SEWER UTILITY — Water Quality Report 2026
Serving 1,638 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1130074
Violations
63
Contaminant Test Results
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
4
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – October 30, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – October 30, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
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
Frequently Asked Questions About CAMBRIDGE WATER & SEWER UTILITY
Is CAMBRIDGE WATER & SEWER UTILITY water safe to drink?
CAMBRIDGE WATER & SEWER UTILITY water receives a grade of F (10/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 63 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has CAMBRIDGE WATER & SEWER UTILITY detected?
1 contaminants were tested in CAMBRIDGE WATER & SEWER UTILITY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CAMBRIDGE WATER & SEWER UTILITY have any EPA violations?
Yes, CAMBRIDGE WATER & SEWER UTILITY has 63 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, Other. 6 are health-based violations.
How many people does CAMBRIDGE WATER & SEWER UTILITY serve?
CAMBRIDGE WATER & SEWER UTILITY serves approximately 1,638 people, Wisconsin. The system provides water to 1 community: Cambridge.
What type of water does CAMBRIDGE WATER & SEWER UTILITY provide?
CAMBRIDGE WATER & SEWER UTILITY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1130074.
How does CAMBRIDGE WATER & SEWER UTILITY compare to other utilities in Wisconsin?
CAMBRIDGE WATER & SEWER UTILITY scores 10/100 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.