A99/100
ARTESIAN NORTHERN SUSSEX REGIONAL — Water Quality Report 2026
Serving 5,511 people · Delaware
Water Source
Groundwater
County
—
System ID
DE0020003
Violations
1
Contaminant Test Results
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 NORTHERN SUSSEX REGIONAL
Is ARTESIAN NORTHERN SUSSEX REGIONAL water safe to drink?
ARTESIAN NORTHERN SUSSEX REGIONAL water receives a grade of A (99/100), which is considered excellent. Out of 51 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has ARTESIAN NORTHERN SUSSEX REGIONAL detected?
51 contaminants were tested in ARTESIAN NORTHERN SUSSEX REGIONAL's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does ARTESIAN NORTHERN SUSSEX REGIONAL have any EPA violations?
Yes, ARTESIAN NORTHERN SUSSEX REGIONAL has 1 EPA violation(s) on record, with the most recent in 2015. Violation types include Other.
How many people does ARTESIAN NORTHERN SUSSEX REGIONAL serve?
ARTESIAN NORTHERN SUSSEX REGIONAL serves approximately 5,511 people, Delaware. The system provides water to 1 community: Lewes.
What type of water does ARTESIAN NORTHERN SUSSEX REGIONAL provide?
ARTESIAN NORTHERN SUSSEX REGIONAL sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is DE0020003.
How does ARTESIAN NORTHERN SUSSEX REGIONAL compare to other utilities in Delaware?
ARTESIAN NORTHERN SUSSEX REGIONAL scores 99/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Delaware state page for a full comparison of water systems.