A86/100
MAPLE BLUFF WATERWORKS — Water Quality Report 2026
Serving 1,342 people · Wisconsin
Water Source
Purchased Groundwater
County
—
System ID
WI1130234
Violations
11
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)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Violation related to Turbidity
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 MAPLE BLUFF WATERWORKS
Is MAPLE BLUFF WATERWORKS water safe to drink?
MAPLE BLUFF WATERWORKS water receives a grade of A (86/100), 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 MAPLE BLUFF WATERWORKS detected?
1 contaminants were tested in MAPLE BLUFF WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MAPLE BLUFF WATERWORKS have any EPA violations?
Yes, MAPLE BLUFF WATERWORKS has 11 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR.
How many people does MAPLE BLUFF WATERWORKS serve?
MAPLE BLUFF WATERWORKS serves approximately 1,342 people, Wisconsin. The system provides water to 1 community: Madison.
What type of water does MAPLE BLUFF WATERWORKS provide?
MAPLE BLUFF WATERWORKS sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1130234.
How does MAPLE BLUFF WATERWORKS compare to other utilities in Wisconsin?
MAPLE BLUFF WATERWORKS scores 86/100 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.