B71/100
SPARTA WATERWORKS — Water Quality Report 2026
Serving 10,025 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI6420297
Violations
10
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.43 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2010.
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 SPARTA WATERWORKS
Is SPARTA WATERWORKS water safe to drink?
SPARTA WATERWORKS water receives a grade of B (71/100), which is considered good. Out of 32 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has SPARTA WATERWORKS detected?
32 contaminants were tested in SPARTA WATERWORKS's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does SPARTA WATERWORKS have any EPA violations?
Yes, SPARTA WATERWORKS has 10 EPA violation(s) on record, with the most recent in 2010. Violation types include MCL, MR, Other. 2 are health-based violations.
How many people does SPARTA WATERWORKS serve?
SPARTA WATERWORKS serves approximately 10,025 people, Wisconsin. The system provides water to 1 community: Sparta.
What type of water does SPARTA WATERWORKS provide?
SPARTA WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI6420297.
How does SPARTA WATERWORKS compare to other utilities in Wisconsin?
SPARTA WATERWORKS scores 71/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Wisconsin state page for a full comparison of water systems.