A95/100
SHULLSBURG WATERWORKS — Water Quality Report 2026
Serving 1,222 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1330076
Violations
2
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
No violations in the past 5 years
Full EPA compliance since 1998.
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 SHULLSBURG WATERWORKS
Is SHULLSBURG WATERWORKS water safe to drink?
SHULLSBURG WATERWORKS water receives a grade of A (95/100), which is considered excellent. Out of 31 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SHULLSBURG WATERWORKS detected?
31 contaminants were tested in SHULLSBURG WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does SHULLSBURG WATERWORKS have any EPA violations?
Yes, SHULLSBURG WATERWORKS has 2 EPA violation(s) on record, with the most recent in 1998. Violation types include MR.
How many people does SHULLSBURG WATERWORKS serve?
SHULLSBURG WATERWORKS serves approximately 1,222 people, Wisconsin. The system provides water to 1 community: Shullsburg.
What type of water does SHULLSBURG WATERWORKS provide?
SHULLSBURG WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1330076.
How does SHULLSBURG WATERWORKS compare to other utilities in Wisconsin?
SHULLSBURG WATERWORKS scores 95/100 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.