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EWG's Tap Water Database — 2021 UPDATE

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Nitrate

City of La Habra

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

 

136

Samples

0

Samples exceeding legal limit (MCL)

21

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
20140.0348 ppm131ND - 0.452 ppm
20150.0121 ppm331ND - 0.400 ppm
20160.215 ppm3715ND - 0.770 ppm
20171.90 ppm11ND - 4.60 ppm
20180.0241 ppm171ND - 0.410 ppm
20190.0240 ppm352ND - 0.420 ppm

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
2014-09-043761-004-1124ND
2014-09-043761-004-1126ND
2014-09-043761-028-11510.452 ppm
2014-09-043761-031-1055ND
2014-09-083761-004-1515ND
2014-10-063761-004-1505ND
2014-10-063761-005-1508ND
2014-10-133761-004-1339ND
2014-10-133761-005-1344ND
2014-12-013761-004-1529ND
2014-12-013761-005-1531ND
2014-12-083761-004-1327ND
2014-12-083761-005-1329ND
2015-01-053761-004-1321ND
2015-01-053761-005-1324ND
2015-01-123761-004-1423ND
2015-01-123761-005-1426ND
2015-02-023761-004-1407ND
2015-02-023761-005-1412ND
2015-02-093761-004-1539ND
2015-02-093761-005-1542ND
2015-03-023761-004-1456ND
2015-03-023761-005-1500ND
2015-03-093761-004-1350ND
2015-03-093761-005-1355ND
2015-04-063761-004-1440ND
2015-04-063761-005-1445ND
2015-04-133761-004-1410ND
2015-04-133761-005-1415ND
2015-09-213761-004-1400ND
2015-09-213761-028-1515ND
2015-09-213761-031-1450ND
2015-10-123761-004-1410ND
2015-10-123761-005-1415ND
2015-11-023761-004-1500ND
2015-11-023761-005-1505ND
2015-11-093761-004-1430ND
2015-11-093761-005-1435ND
2015-12-073761-004-1415ND
2015-12-073761-004-1415ND
2015-12-073761-005-1420ND
2015-12-073761-005-1420ND
2015-12-143761-004-1415ND
2015-12-143761-004-1415ND
2015-12-143761-005-14200.400 ppm
2015-12-143761-005-1420ND
2016-01-043761-004-1045ND
2016-01-043761-005-1050ND
2016-01-113761-004-1413ND
2016-01-113761-005-14170.430 ppm
2016-02-013761-004-1411ND
2016-02-013761-005-1415ND
2016-02-083761-004-1213ND
2016-02-083761-005-12100.420 ppm
2016-03-083761-004-1035ND
2016-03-083761-005-10400.560 ppm
2016-03-143761-004-1435ND
2016-03-143761-005-14400.470 ppm
2016-04-043761-004-1245ND
2016-04-043761-005-12520.540 ppm
2016-04-113761-004-1435ND
2016-04-113761-005-14400.500 ppm
2016-05-023761-004-1540ND
2016-05-023761-005-15450.580 ppm
2016-05-093761-004-1512ND
2016-05-093761-005-15150.560 ppm
2016-06-063761-004-1216ND
2016-06-063761-005-12180.580 ppm
2016-06-133761-004-1435ND
2016-06-133761-005-14400.610 ppm
2016-07-043761-004-1245ND
2016-07-043761-005-12480.520 ppm
2016-07-143761-004-1040ND
2016-07-143761-005-10450.470 ppm
2016-08-023761-004-1025ND
2016-08-023761-005-10300.550 ppm
2016-08-083761-004-1443ND
2016-08-083761-005-14470.410 ppm
2016-09-083761-004-1115ND
2016-09-083761-005-11300.770 ppm
2016-09-163761-028-1125ND
2016-09-163761-031-1100ND
2016-10-043761-004-1530ND
2017-06-011.90 ppm*
2018-02-263761-004-1314ND
2018-02-263761-005-1320ND
2018-03-053761-004-1346ND
2018-03-053761-005-1353ND
2018-03-123761-004-1316ND
2018-03-123761-005-1324ND
2018-04-023761-004-1140ND
2018-04-023761-005-1143ND
2018-04-093761-004-1315ND
2018-04-093761-005-1320ND
2018-09-143761-004-1140ND
2018-09-143761-028-11110.410 ppm
2018-09-143761-031-1042ND
2018-12-173761-004-1335ND
2018-12-173761-005-1342ND
2018-12-233761-004-1210ND
2018-12-233761-005-1215ND
2019-01-073761-004-1405ND
2019-01-073761-005-1413ND
2019-01-233761-004-1345ND
2019-01-233761-005-1350ND
2019-02-043761-004-1446ND
2019-02-043761-005-14520.420 ppm
2019-02-113761-004-1150ND
2019-02-113761-005-11550.420 ppm
2019-03-193761-004-1253ND
2019-03-193761-005-1305ND
2019-04-223761-004-1209ND
2019-04-223761-005-1220ND
2019-04-293761-004-1345ND
2019-04-293761-005-1336ND
2019-05-133761-004-1150ND
2019-05-133761-005-1200ND
2019-08-303761-004-1235ND
2019-08-303761-005-1246ND
2019-09-023761-004-1223ND
2019-09-023761-005-1231ND
2019-09-093761-004-1400ND
2019-09-093761-005-1412ND
2019-09-113761-004-1140ND
2019-09-113761-028-1025ND
2019-09-113761-031-1100ND
2019-10-073761-004-1210ND
2019-10-073761-005-1217ND
2019-10-143761-004-1355ND
2019-10-143761-005-1400ND
2019-11-043761-004-1425ND
2019-11-043761-005-1433ND
2019-11-133761-004-1140ND
2019-11-133761-005-1145ND
2019-12-023761-004-1212ND
2019-12-023761-005-1218ND

* Sample result is taken from the system's CCR report.