A85/100
SHOREWOOD HILLS WATERWORKS — Water Quality Report 2026
Serving 1,670 people · Wisconsin
Water Source
Purchased Groundwater
County
—
System ID
WI1130236
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Violation related to Turbidity
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 12, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 12, 2024Enforcement: Resolving — corrective action underway
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
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 SHOREWOOD HILLS WATERWORKS
Is SHOREWOOD HILLS WATERWORKS water safe to drink?
SHOREWOOD HILLS WATERWORKS water receives a grade of A (85/100), 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 SHOREWOOD HILLS WATERWORKS detected?
1 contaminants were tested in SHOREWOOD HILLS WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SHOREWOOD HILLS WATERWORKS have any EPA violations?
Yes, SHOREWOOD HILLS WATERWORKS has 12 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR.
How many people does SHOREWOOD HILLS WATERWORKS serve?
SHOREWOOD HILLS WATERWORKS serves approximately 1,670 people, Wisconsin. The system provides water to 1 community: Madison.
What type of water does SHOREWOOD HILLS WATERWORKS provide?
SHOREWOOD HILLS WATERWORKS sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1130236.
How does SHOREWOOD HILLS WATERWORKS compare to other utilities in Wisconsin?
SHOREWOOD HILLS WATERWORKS scores 85/100 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.