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EWG's Tap Water Database — 2019 UPDATE

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Nitrite

City of Garden Grove

Nitrite, closely related to the fertilizer chemical nitrate, comes from urban runoff and from fertilizer applied to agricultural lands to pollute drinking water. Nitrite is significantly more toxic than nitrate. Excessive nitrite in water can cause oxygen deprivation in infants and increase the risk of cancer.

 

121

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND200ND
2013ND200ND
2014ND230ND
2015ND180ND
2016ND180ND
2017ND220ND

ppm = parts per million

State and national drinking water standards and health guidelines

EPA Maximum Contaminant
Level (MCL) 1 ppm

The legal limit for nitrite, established in 1991, was based on the rate of conversion of ingested nitrate into nitrite in adults. This limit may not fully protect against the risk of cancer due to nitrite exposure.

ppm = parts per million

All test results

Date Lab ID Result
2012-01-114417-009-0815ND
2012-01-114417-011-1035ND
2012-01-114417-012-0835ND
2012-01-114417-014-0730ND
2012-01-114417-016-1115ND
2012-01-114417-039-0955ND
2012-01-114417-061-0940ND
2012-04-044417-006-0935ND
2012-04-044417-014-0730ND
2012-04-044417-016-1135ND
2012-04-044417-018-1105ND
2012-04-044417-019-0905ND
2012-04-044417-061-0835ND
2012-06-274417-013-1440ND
2012-07-254417-014-0725ND
2012-07-254417-039-1250ND
2012-07-254417-061-0930ND
2012-10-174417-014-0720ND
2012-10-174417-039-0945ND
2012-10-174417-061-0930ND
2013-01-094417-009-0840ND
2013-01-094417-011-1010ND
2013-01-094417-012-0905ND
2013-01-094417-014-0800ND
2013-01-094417-016-1150ND
2013-01-094417-039-1130ND
2013-01-094417-061-0945ND
2013-04-034417-006-1400ND
2013-04-034417-013-1435ND
2013-04-034417-014-0705ND
2013-04-034417-018-1100ND
2013-04-034417-019-0755ND
2013-04-034417-039-0955ND
2013-04-034417-061-0935ND
2013-07-244417-014-0700ND
2013-07-244417-039-0955ND
2013-07-244417-061-0935ND
2013-10-164417-014-0715ND
2013-10-164417-061-0925ND
2013-12-114417-039-1000ND
2014-01-084417-009-0835ND
2014-01-084417-011-1100ND
2014-01-084417-012-0955ND
2014-01-084417-014-0740ND
2014-01-084417-016-1220ND
2014-01-084417-019-0810ND
2014-01-084417-039-1040ND
2014-01-084417-061-0940ND
2014-01-224417-039-1000ND
2014-01-224417-039-1010ND
2014-04-024417-006-1400ND
2014-04-024417-013-1440ND
2014-04-024417-014-0700ND
2014-04-024417-018-1105ND
2014-04-024417-019-0740ND
2014-04-024417-039-1015ND
2014-04-024417-061-0900ND
2014-07-234417-014-0700ND
2014-07-234417-061-0825ND
2014-09-304417-039-1000ND
2014-10-154417-014-0700ND
2014-10-154417-039-0940ND
2014-10-154417-061-0830ND
2015-01-074417-009-0815ND
2015-01-074417-011-1010ND
2015-01-074417-012-0900ND
2015-01-074417-014-0920ND
2015-01-074417-016-1130ND
2015-01-074417-039-1035ND
2015-03-044417-061-0835ND
2015-04-014417-006-1400ND
2015-04-014417-013-1440ND
2015-04-014417-014-0925ND
2015-04-014417-016-1140ND
2015-04-014417-018-1100ND
2015-04-014417-019-0730ND
2015-04-014417-039-1000ND
2015-07-224417-014-0920ND
2015-07-224417-039-0940ND
2015-10-144417-014-0915ND
2015-10-144417-039-0940ND
2016-01-064417-009-0800ND
2016-01-064417-011-1005ND
2016-01-064417-012-0845ND
2016-01-064417-013-1150ND
2016-01-064417-014-0920ND
2016-01-064417-016-1045ND
2016-01-064417-018-1115ND
2016-01-064417-019-0735ND
2016-01-064417-039-0940ND
2016-01-064417-061-0830ND
2016-04-274417-013-1150ND
2016-04-274417-013-1200ND
2016-04-274417-014-0920ND
2016-04-274417-039-0950ND
2016-07-204417-014-0930ND
2016-07-204417-039-0950ND
2016-10-124417-014-1000ND
2016-10-124417-039-0940ND
2017-02-014417-009-0820ND
2017-02-014417-012-0915ND
2017-02-014417-013-1150ND
2017-02-014417-014-0935ND
2017-02-014417-016-1110ND
2017-02-014417-018-1045ND
2017-02-014417-019-0715ND
2017-02-014417-039-1000ND
2017-02-014417-061-0855ND
2017-03-014417-011-1020ND
2017-03-014417-018-1050ND
2017-03-014417-018-1055ND
2017-04-264417-011-1020ND
2017-04-264417-011-1025ND
2017-04-264417-013-1200ND
2017-04-264417-014-0925ND
2017-04-264417-016-1120ND
2017-04-264417-039-0955ND
2017-07-194417-014-0925ND
2017-07-194417-039-0945ND
2017-10-114417-014-0920ND
2017-10-114417-039-0720ND