A100/100
BROOKHAVEN NATIONAL LABORATORY — Water Quality Report 2026
Serving 3,500 people · New York
Water Source
Groundwater
County
—
System ID
NY5111891
Violations
0
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
This system has a clean compliance history.
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 BROOKHAVEN NATIONAL LABORATORY
Is BROOKHAVEN NATIONAL LABORATORY water safe to drink?
BROOKHAVEN NATIONAL LABORATORY water receives a grade of A (100/100), which is considered excellent. Out of 51 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has BROOKHAVEN NATIONAL LABORATORY detected?
51 contaminants were tested in BROOKHAVEN NATIONAL LABORATORY's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BROOKHAVEN NATIONAL LABORATORY have any EPA violations?
No, BROOKHAVEN NATIONAL LABORATORY has zero EPA violations on record. This indicates consistent compliance with federal drinking water standards.
How many people does BROOKHAVEN NATIONAL LABORATORY serve?
BROOKHAVEN NATIONAL LABORATORY serves approximately 3,500 people, New York. The system provides water to 1 community: Brookhaven (T).
What type of water does BROOKHAVEN NATIONAL LABORATORY provide?
BROOKHAVEN NATIONAL LABORATORY sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NY5111891.
How does BROOKHAVEN NATIONAL LABORATORY compare to other utilities in New York?
BROOKHAVEN NATIONAL LABORATORY scores 100/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our New York state page for a full comparison of water systems.