D33/100
BLAIR WATERWORKS — Water Quality Report 2026
Serving 1,280 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI6620274
Violations
51
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.94 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
1
Health-Related
TIER 2Resolved
Violation related to Nitrite
When: May 2, 2021 – June 8, 2021Rule: Stage 1 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 BLAIR WATERWORKS
Is BLAIR WATERWORKS water safe to drink?
BLAIR WATERWORKS water receives a grade of D (33/100), which is considered poor. 1 contaminant(s) exceed EPA legal limits and 51 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BLAIR WATERWORKS detected?
2 contaminants were tested in BLAIR WATERWORKS's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does BLAIR WATERWORKS have any EPA violations?
Yes, BLAIR WATERWORKS has 51 EPA violation(s) on record, with the most recent in 2021. Violation types include TT, MR, MCL. 2 are health-based violations.
How many people does BLAIR WATERWORKS serve?
BLAIR WATERWORKS serves approximately 1,280 people, Wisconsin. The system provides water to 1 community: Blair.
What type of water does BLAIR WATERWORKS provide?
BLAIR WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI6620274.
How does BLAIR WATERWORKS compare to other utilities in Wisconsin?
BLAIR WATERWORKS scores 33/100 with a grade of D (poor). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.