B78/100
ARTESIAN WATER COMPANY — Water Quality Report 2026
Serving 231,114 people · Delaware
Water Source
Purchased Surface Water
County
—
System ID
DE0000552
Violations
7
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
No violations in the past 5 years
Full EPA compliance since 2015.
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 ARTESIAN WATER COMPANY
Is ARTESIAN WATER COMPANY water safe to drink?
ARTESIAN WATER COMPANY water receives a grade of B (78/100), which is considered good. Out of 76 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has ARTESIAN WATER COMPANY detected?
76 contaminants were tested in ARTESIAN WATER COMPANY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ARTESIAN WATER COMPANY have any EPA violations?
Yes, ARTESIAN WATER COMPANY has 7 EPA violation(s) on record, with the most recent in 2015. Violation types include Other, MR, MCL. 3 are health-based violations.
How many people does ARTESIAN WATER COMPANY serve?
ARTESIAN WATER COMPANY serves approximately 231,114 people, Delaware. The system provides water to 2 communities: Bear, Hockessin.
What type of water does ARTESIAN WATER COMPANY provide?
ARTESIAN WATER COMPANY sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is DE0000552.
How does ARTESIAN WATER COMPANY compare to other utilities in Delaware?
ARTESIAN WATER COMPANY scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Delaware state page for a full comparison of water systems.