B75/100
CRANDON WATERWORKS — Water Quality Report 2026
Serving 1,958 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI7210107
Violations
10
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
4
Violations (last 5yr)
2
Unresolved
1
Health-Related
TIER 3Resolved
Reporting violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 17, 2024 – October 23, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved
Treatment technique violation
When: October 17, 2024 – October 23, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved
Disinfection byproduct treatment technique failure
TIER 3Unresolved
Disinfection byproduct treatment technique failure
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 CRANDON WATERWORKS
Is CRANDON WATERWORKS water safe to drink?
CRANDON WATERWORKS water receives a grade of B (75/100), which is considered good. 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 CRANDON WATERWORKS detected?
1 contaminants were tested in CRANDON WATERWORKS's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does CRANDON WATERWORKS have any EPA violations?
Yes, CRANDON WATERWORKS has 10 EPA violation(s) on record, with the most recent in 2024. Violation types include RPT, TT, Other. 3 are health-based violations.
How many people does CRANDON WATERWORKS serve?
CRANDON WATERWORKS serves approximately 1,958 people, Wisconsin. The system provides water to 1 community: Crandon.
What type of water does CRANDON WATERWORKS provide?
CRANDON WATERWORKS sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI7210107.
How does CRANDON WATERWORKS compare to other utilities in Wisconsin?
CRANDON WATERWORKS scores 75/100 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.