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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

Linda County Water District

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

 

46

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND60ND
2015ND50ND
2016ND60ND
2017ND100ND
2018ND140ND
2019ND50ND

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
2014-06-117473-015-0849ND
2014-06-117473-011-0831ND
2014-06-117473-009-0810ND
2014-06-117473-007-0818ND
2014-06-117473-002-0900ND
2014-06-117473-001-0902ND
2015-06-107473-001-0910ND
2015-06-107473-002-0912ND
2015-06-107473-015-0943ND
2015-06-107473-011-0900ND
2015-06-107473-009-0814ND
2016-06-157473-001-0907ND
2016-06-157473-015-0845ND
2016-06-157473-011-0830ND
2016-06-157473-009-0802ND
2016-06-157473-007-0745ND
2016-06-157473-002-0909ND
2017-06-147473-001-0903ND
2017-06-147473-015-0841ND
2017-06-147473-009-0912ND
2017-06-147473-002-0901ND
2017-06-147473-011-0831ND
2017-08-097473-007-1155ND
2017-08-097473-001-1030ND
2017-08-097473-015-1110ND
2017-08-097473-002-1044ND
2017-08-097473-009-1145ND
2018-08-297473-009-1350ND
2018-08-297473-011-1402ND
2018-08-297473-015-1412ND
2018-08-297473-008-1340ND
2018-09-057473-002-0000ND
2018-09-057473-001-0000ND
2018-09-057473-001-0805ND
2018-09-057473-002-0810ND
2018-10-177473-002-0940ND
2018-10-177473-011-0915ND
2018-10-177473-015-0900ND
2018-10-177473-001-0940ND
2018-10-177473-009-0845ND
2018-10-177473-007-0850ND
2019-09-257473-011-0930ND
2019-09-257473-015-0941ND
2019-09-257473-001-1025ND
2019-09-257473-009-0907ND
2019-09-257473-002-1025ND