A80/100
SPENCER WATERWORKS — Water Quality Report 2026
Serving 1,848 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI7370108
Violations
13
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 3Unresolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: 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
Frequently Asked Questions About SPENCER WATERWORKS
Is SPENCER WATERWORKS water safe to drink?
SPENCER WATERWORKS water receives a grade of A (80/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SPENCER WATERWORKS detected?
1 contaminants were tested in SPENCER WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SPENCER WATERWORKS have any EPA violations?
Yes, SPENCER WATERWORKS has 13 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, TT, Other. 1 are health-based violations.
How many people does SPENCER WATERWORKS serve?
SPENCER WATERWORKS serves approximately 1,848 people, Wisconsin. The system provides water to 1 community: Spencer.
What type of water does SPENCER WATERWORKS provide?
SPENCER WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI7370108.
How does SPENCER WATERWORKS compare to other utilities in Wisconsin?
SPENCER WATERWORKS scores 80/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Wisconsin state page for a full comparison of water systems.