Know Your Environment. Protect Your Health.

Nitrate and nitrite

Lido-point Lookout Water District

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.

 

137

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.00483 ppm121ND - 0.0580 ppm
2019ND230ND
2020ND290ND
2021ND320ND
20220.00495 ppm191ND - 0.0940 ppm
2023ND220ND

ppm = parts per million

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.14 ppm

The EWG 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
2018-02-217043558008ND
2018-02-217043558009ND
2018-04-177048700001ND
2018-04-1770487000020.0580 ppm
2018-05-087050980001-SECND
2018-05-087050980002-SECND
2018-05-087050980003-SECND
2018-06-147054970002-SECND
2018-06-147054970001-SECND
2018-06-147054970003-SECND
2018-07-107057674002ND
2018-07-10705767400ND
2019-01-037075453003-SECND
2019-01-037075453002-SECND
2019-01-037075453001-SECND
2019-01-237077393007ND
2019-01-237077393006ND
2019-02-057078359003-SECND
2019-02-057078359001-SECND
2019-02-057078359002-SECND
2019-03-147082345001-SECND
2019-03-147082345003-SECND
2019-03-147082345002-SECND
2019-04-047084642003-SECND
2019-04-047084642002-SECND
2019-04-047084642001-SECND
2019-04-167085980010ND
2019-04-167085980011ND
2019-05-027087916003-PRIND
2019-05-027087916001-PRIND
2019-05-027087916002-PRIND
2019-07-097096746006ND
2019-07-097096746005ND
2019-10-1770108828006ND
2019-10-1770108828005ND
2020-01-1470118229002-PRIND
2020-01-1470118229001-PRIND
2020-01-1470118229003-PRIND
2020-02-0570120620001-PRIND
2020-02-0570120620003-PRIND
2020-02-0570120620002-PRIND
2020-02-2670123102002ND
2020-02-2670123102001ND
2020-03-0470123875003-PRIND
2020-03-0470123875001-PRIND
2020-03-0470123875002-PRIND
2020-04-0270126829001-PRIND
2020-04-0270126829002-PRIND
2020-04-0270126829003-PRIND
2020-04-2370129041002ND
2020-04-2370129041001ND
2020-05-0570130002003-PRIND
2020-05-0570130002001-PRIND
2020-05-0570130002002-PRIND
2020-09-3070147753003 PRIND
2020-09-3070147753002 PRIND
2020-11-1270153204002-PRIND
2020-11-1270153204001-PRIND
2020-11-1270153204003-PRIND
2020-12-0370155408003-PRIND
2020-12-0370155408001-PRIND
2020-12-0370155408002-PRIND
2020-12-1570156696002-PRIND
2020-12-1570156696001-PRIND
2021-01-0670158510003-PRIND
2021-01-0670158510002-PRIND
2021-01-0670158510001-PRIND
2021-03-0470164711003-PRIND
2021-03-0470164711002-PRIND
2021-03-0470164711001-PRIND
2021-04-0870168399002-PRIND
2021-04-0870168399003-PRIND
2021-04-0870168399001-PRIND
2021-05-0570171749002-PRIND
2021-05-0570171749001-PRIND
2021-05-0570171749003-PRIND
2021-05-2570174340007-PRIND
2021-06-0370175492001-PRIND
2021-06-0370175492003-PRIND
2021-06-0370175544005ND
2021-06-0370175492002-PRIND
2021-07-1570181428001-PRIND
2021-07-1570180616003-PRIND
2021-07-1570181428002-PRIND
2021-07-1570180616001-PRIND
2021-07-1570180616002-PRIND
2021-08-0570183115001-PRIND
2021-08-0570183115002-PRIND
2021-08-0570183117003-PRIND
2021-08-0570183117001-PRIND
2021-08-0570183117002-PRIND
2021-11-0470193563003-PRIND
2021-11-0470193563004-PRIND
2021-11-0470193563001-PRIND
2021-11-0470193563005-PRIND
2021-11-0470193563002-PRIND
2022-01-0670200066003-PRIND
2022-01-0670200066005-PRIND
2022-01-0670200066002-PRIND
2022-01-0670200066001-PRIND
2022-01-0670200066004-PRIND
2022-02-0170202576001-PRIND
2022-02-0170202576002-PRIND
2022-02-0170202576005-PRIND
2022-02-0170202576003-PRIND
2022-02-0170202576004-PRIND
2022-05-1170214332002-PRI0.0940 ppm
2022-05-1170214332001-PRIND
2022-06-1470218200002ND
2022-10-0670232553001-PRIND
2022-10-0670232553003-PRIND
2022-10-0670232553005-PRIND
2022-10-0670232553002-PRIND
2022-11-0370235574002-PRIND
2022-11-0370235574001-PRIND
2023-01-0570242216005-PRIND
2023-01-0570242216001-PRIND
2023-01-0570242216003-PRIND
2023-01-0570242216002-PRIND
2023-01-0570242216004-PRIND
2023-04-0570251709004-PRIND
2023-04-0570251709005-PRIND
2023-04-0570251709002-PRIND
2023-04-0570251709003-PRIND
2023-04-0570251709001-PRIND
2023-05-0370255053004-PRIND
2023-05-0370255053001-PRIND
2023-05-0370255053005-PRIND
2023-07-0570261986001-PRIND
2023-07-0570261986003-PRIND
2023-07-0570261986002-PRIND
2023-07-2670264669002ND
2023-07-2670264669001ND
2023-08-0270265505001-PRIND
2023-08-0270265505002-PRIND
2023-08-0270265505003-PRIND
2023-10-2670275553001-PRIND