B74/100
DARBOY SANITARY DIST 1 — Water Quality Report 2026
Serving 13,024 people · Wisconsin
Water Source
Groundwater
County
—
System ID
WI4450117
Violations
4
Contaminant Test Results
3 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 2.25 mg/L | 1.30 mg/L | Over Limit |
strontium | 4866.35 µg/L | — | Above Goal |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Violation related to Turbidity
When: October 17, 2024 – February 6, 2025Rule: Ground Water 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 DARBOY SANITARY DIST 1
Is DARBOY SANITARY DIST 1 water safe to drink?
DARBOY SANITARY DIST 1 water receives a grade of B (74/100), which is considered good. Out of 67 contaminants tested, 1 exceed EPA legal limits. 3 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has DARBOY SANITARY DIST 1 detected?
67 contaminants were tested in DARBOY SANITARY DIST 1's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile), strontium. 1 exceed EPA legal limits (MCLs). 3 exceed EPA health goals (MCLGs).
Does DARBOY SANITARY DIST 1 have any EPA violations?
Yes, DARBOY SANITARY DIST 1 has 4 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, MR, MCL. 2 are health-based violations.
How many people does DARBOY SANITARY DIST 1 serve?
DARBOY SANITARY DIST 1 serves approximately 13,024 people, Wisconsin. The system provides water to 1 community: Appleton.
What type of water does DARBOY SANITARY DIST 1 provide?
DARBOY SANITARY DIST 1 sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is WI4450117.
How does DARBOY SANITARY DIST 1 compare to other utilities in Wisconsin?
DARBOY SANITARY DIST 1 scores 74/100 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.