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EWG's Tap Water Database — 2021 UPDATE

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Nitrate and nitrite

Camp Pendleton (South)

Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. These contaminants can cause oxygen deprivation for infants and increase the risk of cancer. Nitrite is significantly more toxic than nitrate. Click here to read more about nitrate.

MORE ABOUT THIS CONTAMINANT

 

141

Samples

0

Samples exceeding legal limit (MCL)

63

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.260 ppm218ND - 0.960 ppm
20150.272 ppm2411ND - 0.680 ppm
20160.233 ppm207ND - 0.710 ppm
20170.333 ppm238ND - 1.70 ppm
20180.568 ppm2816ND - 2.00 ppm
20190.509 ppm2513ND - 1.80 ppm

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The health guideline of 0.14 parts per million, or ppm, for nitrate and nitrite is based on the equivalent health guideline for nitrate, as defined in a peer-reviewed scientific study by EWG. This guideline represents a one-in-one-million annual cancer risk level.

EPA Maximum Contaminant
Level (MCL) 10 ppm

ppm = parts per million

All test results

Date Lab ID Result
2014-01-279590-039-11000.580 ppm
2014-01-299590-032-1115ND
2014-02-139590-030-1115ND
2014-04-239590-009-09440.630 ppm
2014-04-239590-034-1115ND
2014-04-249590-022-1115ND
2014-04-259590-014-11500.960 ppm
2014-04-259590-036-11150.620 ppm
2014-04-289590-035-12100.830 ppm
2014-05-219590-030-1015ND
2014-05-219590-039-10500.620 ppm
2014-05-239590-049-1030ND
2014-06-119590-043-1140ND
2014-06-129590-044-1220ND
2014-06-249590-037-1100ND
2014-07-099590-049-1030ND
2014-07-149590-039-11200.610 ppm
2014-07-179590-030-1140ND
2014-10-289590-030-1115ND
2014-11-069590-049-1155ND
2014-11-209590-039-12550.620 ppm
2015-01-169590-030-1035ND
2015-01-219590-049-1315ND
2015-01-269590-039-12100.620 ppm
2015-03-139590-043-1336ND
2015-03-139590-044-1310ND
2015-03-169590-020-12200.470 ppm
2015-03-169590-037-1250ND
2015-03-189590-019-1050ND
2015-03-189590-034-1242ND
2015-03-199590-018-08000.460 ppm
2015-03-249590-022-1105ND
2015-04-019590-036-10250.650 ppm
2015-04-099590-014-09450.640 ppm
2015-05-119590-039-11450.650 ppm
2015-05-129590-049-1135ND
2015-05-209590-030-1000ND
2015-07-249590-030-1020ND
2015-07-279590-039-13000.680 ppm
2015-08-139590-035-10460.680 ppm
2015-08-249590-049-1145ND
2015-08-249590-051-12300.530 ppm
2015-10-149590-039-12300.640 ppm
2015-10-149590-049-1120ND
2015-10-159590-030-12150.500 ppm
2016-01-139590-049-1230ND
2016-02-059590-039-11150.660 ppm
2016-02-199590-030-1050ND
2016-04-219590-034-1236ND
2016-04-219590-035-12050.710 ppm
2016-04-269590-022-1105ND
2016-04-269590-037-1220ND
2016-04-279590-019-1248ND
2016-04-289590-043-1145ND
2016-04-289590-044-1102ND
2016-04-299590-014-11300.620 ppm
2016-04-299590-036-10480.670 ppm
2016-05-039590-030-1200ND
2016-05-059590-039-11150.660 ppm
2016-05-059590-051-1045ND
2016-05-129590-020-1130ND
2016-08-039590-039-12000.690 ppm
2016-08-089590-030-1130ND
2016-11-019590-030-1115ND
2016-11-219590-039-13250.640 ppm
2017-01-099590-030-1140ND
2017-02-159590-039-11200.870 ppm
2017-03-079590-036-11100.680 ppm
2017-03-089590-014-11051.10 ppm
2017-03-099590-020-1115ND
2017-03-099590-035-11500.450 ppm
2017-03-099590-051-1230ND
2017-03-179590-019-1146ND
2017-03-179590-034-1240ND
2017-03-179590-037-1115ND
2017-03-239590-022-1250ND
2017-03-309590-043-1135ND
2017-03-309590-044-1115ND
2017-05-109590-039-12150.960 ppm
2017-05-119590-030-1245ND
2017-07-139590-030-1300ND
2017-07-219590-049-1310ND
2017-07-249590-039-10301.50 ppm
2017-11-019590-039-12001.70 ppm
2017-11-179590-032-10450.400 ppm
2017-12-049590-030-1245ND
2017-12-139590-018-0740ND
2017-12-289590-049-1110ND
2018-01-099590-032-1320ND
2018-01-259590-039-11202.00 ppm
2018-02-059590-030-13150.480 ppm
2018-02-089590-014-12352.00 ppm
2018-02-129590-036-13350.590 ppm
2018-02-129590-049-1110ND
2018-02-149590-018-0740ND
2018-03-149590-051-12420.850 ppm
2018-03-159590-020-11300.550 ppm
2018-03-159590-035-12001.000 ppm
2018-03-219590-034-1245ND
2018-03-229590-043-1125ND
2018-03-229590-044-1020ND
2018-03-269590-022-1340ND
2018-03-299590-019-12250.680 ppm
2018-03-299590-037-1302ND
2018-04-249590-039-12202.00 ppm
2018-04-259590-030-13000.620 ppm
2018-05-019590-049-1300ND
2018-05-169590-032-12300.680 ppm
2018-07-239590-039-11451.000 ppm
2018-07-259590-030-1152ND
2018-07-279590-032-0822ND
2018-07-279590-049-0930ND
2018-11-069590-030-12450.440 ppm
2018-11-139590-032-12450.680 ppm
2018-11-139590-049-12300.540 ppm
2018-11-199590-039-11001.80 ppm
2019-01-099590-030-1230ND
2019-01-239590-039-12001.80 ppm
2019-01-289590-032-0945ND
2019-01-289590-049-1040ND
2019-01-309590-020-1052ND
2019-01-319590-034-1100ND
2019-02-219590-014-13201.80 ppm
2019-02-289590-051-1042ND
2019-03-019590-035-11021.60 ppm
2019-03-159590-043-1035ND
2019-03-159590-044-1120ND
2019-03-219590-019-1136ND
2019-03-219590-037-11000.400 ppm
2019-05-079590-032-08350.410 ppm
2019-05-079590-049-1025ND
2019-05-089590-039-12151.80 ppm
2019-05-099590-030-11000.440 ppm
2019-07-249590-039-12001.10 ppm
2019-07-309590-032-0730ND
2019-07-309590-049-0830ND
2019-09-199590-030-06380.490 ppm
2019-10-309590-030-10450.750 ppm
2019-11-129590-039-12201.10 ppm
2019-11-149590-032-07100.560 ppm
2019-11-149590-049-08100.470 ppm