B73/100
OREGON WATERWORKS — Water Quality Report 2026
Serving 11,200 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1130251
Violations
12
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 OREGON WATERWORKS
Is OREGON WATERWORKS water safe to drink?
OREGON WATERWORKS water receives a grade of B (73/100), which is considered good. 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 OREGON WATERWORKS detected?
31 contaminants were tested in OREGON WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does OREGON WATERWORKS have any EPA violations?
Yes, OREGON WATERWORKS has 12 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, MCL. 3 are health-based violations.
How many people does OREGON WATERWORKS serve?
OREGON WATERWORKS serves approximately 11,200 people, Wisconsin. The system provides water to 1 community: Oregon.
What type of water does OREGON WATERWORKS provide?
OREGON WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1130251.
How does OREGON WATERWORKS compare to other utilities in Wisconsin?
OREGON WATERWORKS scores 73/100 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.