C55/100
ADAMS WATERWORKS — Water Quality Report 2026
Serving 1,847 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI7010107
Violations
14
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 2, 2025 – August 13, 2025Rule: Ground Water 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
Frequently Asked Questions About ADAMS WATERWORKS
Is ADAMS WATERWORKS water safe to drink?
ADAMS WATERWORKS water receives a grade of C (55/100), which is considered fair. 0 contaminant(s) exceed EPA legal limits and 14 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has ADAMS WATERWORKS detected?
1 contaminants were tested in ADAMS WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ADAMS WATERWORKS have any EPA violations?
Yes, ADAMS WATERWORKS has 14 EPA violation(s) on record, with the most recent in 2025. Violation types include RPT, MR, Other. 7 are health-based violations.
How many people does ADAMS WATERWORKS serve?
ADAMS WATERWORKS serves approximately 1,847 people, Wisconsin. The system provides water to 1 community: Adams.
What type of water does ADAMS WATERWORKS provide?
ADAMS WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI7010107.
How does ADAMS WATERWORKS compare to other utilities in Wisconsin?
ADAMS WATERWORKS scores 55/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Wisconsin state page for a full comparison of water systems.