A80/100
CROSS PLAINS WATERWORKS — Water Quality Report 2026
Serving 4,100 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1130219
Violations
5
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
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 15, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2024 – August 15, 2024Enforcement: 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 CROSS PLAINS WATERWORKS
Is CROSS PLAINS WATERWORKS water safe to drink?
CROSS PLAINS WATERWORKS water receives a grade of A (80/100), 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 CROSS PLAINS WATERWORKS detected?
31 contaminants were tested in CROSS PLAINS WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CROSS PLAINS WATERWORKS have any EPA violations?
Yes, CROSS PLAINS WATERWORKS has 5 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MCL. 3 are health-based violations.
How many people does CROSS PLAINS WATERWORKS serve?
CROSS PLAINS WATERWORKS serves approximately 4,100 people, Wisconsin. The system provides water to 1 community: Cross Plains.
What type of water does CROSS PLAINS WATERWORKS provide?
CROSS PLAINS WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1130219.
How does CROSS PLAINS WATERWORKS compare to other utilities in Wisconsin?
CROSS PLAINS WATERWORKS scores 80/100 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.