Nitrate · New York

Nitrate in New York Drinking Water — 38 ZIPs Tested

EPA data analysis for nitrate in New York drinking water systems

ZipCheckup tracks Nitrate in New York drinking water: 38 ZIP codes with detected levels on record. 22 ZIP codes exceed the EPA limit (10 mg/L (as nitrogen)). Nitrate carries a high health-risk designation.

38
ZIPs with Detections
22
ZIPs with Violations
1%
Violation Rate
10 mg/L (as nitrogen)
EPA Limit
High
Health Risk
Reverse Osmosis or Ion Exchange
Best Filter Method

Nitrate Contamination in New York

ZipCheckup analyzed drinking water data across 2,186 ZIP codes in New York for nitrate contamination. 38 ZIP codes have reported nitrate detections, and 22 have EPA violations on record.

The violation rate for nitrate in New York is 1% of all ZIP codes — lower than the national average.

EPA Standard for Nitrate

The EPA maximum contaminant level (MCL) for nitrate is 10 mg/L (as nitrogen), governed by the National Primary Drinking Water Regulations. Water systems that exceed this limit must take corrective action and notify consumers.

Worst ZIP Codes for Nitrate in New York

These ZIP codes reported the highest nitrate levels in New York based on CCR reports and EPA data:

Lowest Nitrate Levels in New York

These ZIP codes had the lowest reported nitrate detections in New York:

Health Effects of Nitrate

How to Remove Nitrate From Drinking Water

The most effective treatment for nitrate removal is Reverse Osmosis or Ion Exchange. Look for filters certified under NSF 53 / NSF 58 standards.

Check Your ZIP Code

Use the ZipCheckup water quality search to see nitrate data for your specific water system in New York.

Worst ZIP Codes for Nitrate in New York

Ranked by highest nitrate detection level.

Rank ZIP Code City Level Detected EPA Limit Status
1 11579 Sea Cliff 11000 ppb 10000 ppb Exceeds
2 11731 East Northport 8100 ppb 10000 ppb Within Limit
3 11740 Greenlawn 8100 ppb 10000 ppb Within Limit
4 11746 Huntington Station 8100 ppb 10000 ppb Within Limit
5 11020 Great Neck 7100 ppb 10000 ppb Within Limit
6 11021 Great Neck 7100 ppb 10000 ppb Within Limit
7 11022 Great Neck 7100 ppb 10000 ppb Within Limit
8 11023 Great Neck 7100 ppb 10000 ppb Within Limit
9 11026 Great Neck 7100 ppb 10000 ppb Within Limit
10 11027 Great Neck 7100 ppb 10000 ppb Within Limit
11 11030 Manhasset 7100 ppb 10000 ppb Within Limit
12 11359 Bayside 7100 ppb 10000 ppb Within Limit
13 11362 Little Neck 7100 ppb 10000 ppb Within Limit
14 11363 Little Neck 7100 ppb 10000 ppb Within Limit
15 11507 Albertson 7100 ppb 10000 ppb Within Limit
16 11803 Plainview 7100 ppb 10000 ppb Within Limit
17 11804 Old Bethpage 7100 ppb 10000 ppb Within Limit
18 11724 Cold Spring Harbor 6600 ppb 10000 ppb Within Limit
19 11743 Huntington 6600 ppb 10000 ppb Within Limit
20 11050 Port Washington 6500 ppb 10000 ppb Within Limit

Lowest Nitrate Levels in New York

ZIP Code City Level Detected
11590 Westbury 5200 ppb
11970 South Jamesport 5600 ppb
11948 Laurel 5600 ppb
11947 Jamesport 5600 ppb
11931 Aquebogue 5600 ppb
11901 Riverhead 5600 ppb
11599 Garden City 5900 ppb
11535 Garden City 5900 ppb
11531 Garden City 5900 ppb
11530 Garden City 5900 ppb
New York Water Quality Overview: See statewide water quality rankings on the New York water quality page.
Learn more about Nitrate: Read the full guide on Nitrate in drinking water.
Home → Contaminants → Nitrate → New York

How to cite this page

APA ZipCheckup. (2026). Nitrate in New York Drinking Water — 38 ZIPs Tested. https://zipcheckup.com/contaminants/nitrates/new-york/
BibTeX 
@misc{zipcheckup-contaminants-nitrates-new-york,
  author = {{ZipCheckup}},
  title  = {{Nitrate in New York Drinking Water — 38 ZIPs Tested}},
  year   = {2026},
  url    = {https://zipcheckup.com/contaminants/nitrates/new-york/}
}

Data as of July 2026.

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