B63/100
GREENPORT WATER DISTRICT — Water Quality Report 2026
Serving 2,050 people · New York
Water Source
Purchased Groundwater
County
—
System ID
NY5103703
Violations
14
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
1
Violation (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Failed to issue ongoing public notification
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
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 GREENPORT WATER DISTRICT
Is GREENPORT WATER DISTRICT water safe to drink?
GREENPORT WATER DISTRICT water receives a grade of B (63/100), 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 GREENPORT WATER DISTRICT detected?
1 contaminants were tested in GREENPORT WATER DISTRICT's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does GREENPORT WATER DISTRICT have any EPA violations?
Yes, GREENPORT WATER DISTRICT has 14 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MON, Other. 5 are health-based violations.
How many people does GREENPORT WATER DISTRICT serve?
GREENPORT WATER DISTRICT serves approximately 2,050 people, New York. The system provides water to 1 community: Southold (T).
What type of water does GREENPORT WATER DISTRICT provide?
GREENPORT WATER DISTRICT sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NY5103703.
How does GREENPORT WATER DISTRICT compare to other utilities in New York?
GREENPORT WATER DISTRICT scores 63/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our New York state page for a full comparison of water systems.