F6/100
RANDOLPH WATER DEPT — Water Quality Report 2026
Serving 1,800 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI1110125
Violations
63
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
7
Violations (last 5yr)
5
Unresolved
5
Health-Related
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: January 1, 2025 – March 31, 2025Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: October 1, 2024 – December 31, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
When: July 1, 2024 – September 30, 2024Enforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 2Unresolved
Exceeded the Maximum Contaminant Level (running average)
TIER 3Resolved
Monitoring / Reporting Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: January 1, 2024 – January 8, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: May 1, 2023 – May 31, 2023Rule: Total Coliform RuleEnforcement: 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 RANDOLPH WATER DEPT
Is RANDOLPH WATER DEPT water safe to drink?
RANDOLPH WATER DEPT water receives a grade of F (6/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 63 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has RANDOLPH WATER DEPT detected?
1 contaminants were tested in RANDOLPH WATER DEPT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does RANDOLPH WATER DEPT have any EPA violations?
Yes, RANDOLPH WATER DEPT has 63 EPA violation(s) on record, with the most recent in 2025. Violation types include MCL, MR, MON. 7 are health-based violations.
How many people does RANDOLPH WATER DEPT serve?
RANDOLPH WATER DEPT serves approximately 1,800 people, Wisconsin. The system provides water to 1 community: Randolph.
What type of water does RANDOLPH WATER DEPT provide?
RANDOLPH WATER DEPT sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI1110125.
How does RANDOLPH WATER DEPT compare to other utilities in Wisconsin?
RANDOLPH WATER DEPT scores 6/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our Wisconsin state page for a full comparison of water systems.