A88/100
AMHERST WATERWORKS — Water Quality Report 2026
Serving 1,119 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI7500094
Violations
5
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.006 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 – November 1, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – November 1, 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 AMHERST WATERWORKS
Is AMHERST WATERWORKS water safe to drink?
AMHERST WATERWORKS water receives a grade of A (88/100), which is considered excellent. Out of 21 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has AMHERST WATERWORKS detected?
21 contaminants were tested in AMHERST WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does AMHERST WATERWORKS have any EPA violations?
Yes, AMHERST WATERWORKS has 5 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, Other. 1 are health-based violations.
How many people does AMHERST WATERWORKS serve?
AMHERST WATERWORKS serves approximately 1,119 people, Wisconsin. The system provides water to 1 community: Amherst.
What type of water does AMHERST WATERWORKS provide?
AMHERST WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI7500094.
How does AMHERST WATERWORKS compare to other utilities in Wisconsin?
AMHERST WATERWORKS scores 88/100 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.