Menu

EWG's Tap Water Database — 2021 UPDATE

Donate

Nitrate

South Farmingdale WD

Nitrate, a fertilizer chemical, frequently contaminates drinking water due to agricultural and urban runoff, and discharges from municipal wastewater treatment plants and septic tanks. Excessive nitrate in water can cause oxygen deprivation in infants and increase the risk of cancer. Click here to read more about nitrate.

MORE ABOUT THIS CONTAMINANT

 

92

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014ND50ND
2015ND130ND
20160.00357 ppm141ND - 0.0500 ppm
20170.0283 ppm181ND - 0.510 ppm
20180.269 ppm172ND - 4.50 ppm
2019ND250ND

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The EWG Health Guideline of 0.14 ppm for nitrate was defined by EWG . This health guideline protects against cancer and harm to fetal growth and development.

EPA Maximum Contaminant
Level (MCL) 10 ppm

The legal limit for nitrate, established in 1962, was developed to protect infants from acute methemoglobinemia, a life-threatening disorder of oxygen transport in the body. This limit does not fully protect against the risk of cancer and harm to the developing fetus.

ppm = parts per million

All test results

Date Lab ID Result
2014-04-151404B59-001-PRIND
2014-05-151405B82-001D-PRIND
2014-05-151405B94-002-PRIND
2014-05-151405B94-001-PRIND
2014-08-141408A32-001-PRIND
2015-03-171503B67-001-PRIND
2015-04-071504418-002-PRIND
2015-04-071504418-001-PRIND
2015-05-041505179-001E-PRIND
2015-05-041505180-001E-PRIND
2015-05-061505344-001E-POCND
2015-05-111505746-001E-PRIND
2015-05-111505746-003E-PRIND
2015-05-121505867-001E-PRIND
2015-05-121505872-001E-PRIND
2015-05-141405A68-002A-PRIND
2015-05-141405A68-001A-PRIND
2015-05-181505C84-001E-PRIND
2016-04-121604A93-002-PRIND
2016-05-031605262-006-PRIND
2016-05-031605268-006-PRIND
2016-05-031605262-002ND
2016-05-031605258-003-SECND
2016-05-031605268-002-PRIND
2016-05-031605262-0050.0500 ppm
2016-05-041605366-006-PRIND
2016-05-041605366-004ND
2016-05-041605366-002ND
2016-05-101605903-004-PRIND
2016-05-101605903-006-PRIND
2016-05-101605903-002-SECND
2016-05-191605H44-001-PRIND
2017-01-09708657001-PRIND
2017-01-16709166001-PRIND
2017-04-187016181001-PRIND
2017-04-247016749001-PRIND
2017-04-247016748001-PRIND
2017-05-027017493004ND
2017-05-027017493006ND
2017-05-027017493007-PRIND
2017-05-027017493002-PRIND
2017-05-027017493001ND
2017-05-197019063001-PRIND
2017-05-237019267001-PRIND
2017-05-2370192670020.510 ppm
2017-05-237019269001-PRIND
2017-05-237019267002-PRIND
2017-06-057020387002-PRIND
2017-06-057020387005-PRIND
2017-06-057020387001-PRIND
2018-04-057047387007-SEC0.0700 ppm
2018-04-057047387001-SECND
2018-04-107047807002ND
2018-05-017050121002-SECND
2018-05-037050398001-PRIND
2018-05-087050856002-SECND
2018-05-087050856003-SECND
2018-05-087050856001-PRIND
2018-05-087050859001-SECND
2018-05-097051129003-SECND
2018-05-097051129002ND
2018-05-157051724005-PRIND
2018-05-157051724002-SECND
2018-05-157051724004-PRIND
2018-05-227052407001-SECND
2018-05-227052407003-SECND
2018-10-237069606001-POCS4.50 ppm
2019-03-207082910001-SECND
2019-03-267083435001-SECND
2019-04-047084616001-SECND
2019-04-047084625001-SECND
2019-04-047084616004-SECND
2019-05-087088706002-PRIND
2019-05-087088706003-PRIND
2019-05-087088694002-PRIND
2019-05-087088700005-PRIND
2019-05-087088700002-PRIND
2019-05-087088694004-PRIND
2019-05-087088706006-PRIND
2019-05-087088700004-PRIND
2019-05-137089290009-PRIND
2019-05-137089290005-PRIND
2019-05-137089290007-PRIND
2019-05-137089290001-PRIND
2019-05-137089290003-PRIND
2019-05-147089463003-PRIND
2019-05-147089463001-PRIND
2019-05-147089463006-PRIND
2019-05-147089463005-PRIND
2019-05-207090144001-PRIND
2019-10-0970107840003-PRIND
2019-10-0970107840001-PRIND