Know Your Environment. Protect Your Health.

Nitrate

Lido-point Lookout 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.

 

184

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20180.00232 ppm251ND - 0.0580 ppm
2019ND330ND
2020ND460ND
2021ND330ND
20220.0218 ppm252ND - 0.470 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

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
2018-02-217043558008ND
2018-02-217043558009ND
2018-03-077044701002-SECND
2018-03-077044701003-SECND
2018-04-107047837002-PRIND
2018-04-107047837003-PRIND
2018-04-177048700001ND
2018-04-1770487000020.0580 ppm
2018-05-087050980002-SECND
2018-05-087050980003-SECND
2018-05-087050980001-SECND
2018-06-147054970002-SECND
2018-06-147054970003-SECND
2018-06-147054970001-SECND
2018-07-107057677003-PRIND
2018-07-107057677003-SEC1ND
2018-07-10705767400ND
2018-07-107057677002-PRIND
2018-07-107057674002ND
2018-08-057060832003-PRIND
2018-08-087060832001-PRIND
2018-08-087060832002-PRIND
2018-10-097067334002-PRIND
2018-10-117067692005ND
2018-10-117067692006ND
2019-01-037075453002-SECND
2019-01-037075453001-SECND
2019-01-037075453003-SECND
2019-01-237077393007ND
2019-01-237077393006ND
2019-02-057078359001-SECND
2019-02-057078359002-SECND
2019-02-057078359003-SECND
2019-03-147082345001-SECND
2019-03-147082345003-SECND
2019-03-147082345002-SECND
2019-04-047084642003-SECND
2019-04-047084642001-SECND
2019-04-047084642002-SECND
2019-04-167085980011ND
2019-04-167085980010ND
2019-05-027087916003-PRIND
2019-05-027087916002-PRIND
2019-05-027087916001-PRIND
2019-06-067092442001ND
2019-06-067092442003ND
2019-06-067092442002ND
2019-07-097096746005ND
2019-07-097096826001-PRIND
2019-07-097096746006ND
2019-08-1370101005001-PRIND
2019-09-1070104356001ND
2019-09-1070104356003-PRIND
2019-10-0970107898001-PRIND
2019-10-0970107898002-PRIND
2019-10-0970107898003-PRIND
2019-10-1770108828006ND
2019-10-1770108828005ND
2020-01-1470118229001-PRIND
2020-01-1470118229002-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
2020-06-0470133344002-SECND
2020-06-0470133344001-PRIND
2020-06-0470133344003ND
2020-06-2970136292001-PRIND
2020-06-2970136292002-PRIND
2020-06-2970136292003-PRIND
2020-07-0270139123002-PRIND
2020-07-1570138292001-SECND
2020-07-1570138292002-PRIND
2020-07-2270139123001ND
2020-08-1470141995001ND
2020-08-1470141995002-PRIND
2020-09-3070147753003 PRIND
2020-09-3070147753002 PRIND
2020-10-0870148839001-PRIND
2020-10-0870148839003-PRIND
2020-10-0870148839002-PRIND
2020-10-0870148839004-PRIND
2020-10-0870148839005-PRIND
2020-11-1270153204001-PRIND
2020-11-1270153204002-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
2021-01-0670158510001-PRIND
2021-01-0670158510003-PRIND
2021-01-0670158510002-PRIND
2021-03-0470164711002-PRIND
2021-03-0470164711001-PRIND
2021-03-0470164711003-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
2021-10-0770190196001ND
2021-11-0470193563002-PRIND
2021-11-0470193563003-PRIND
2021-11-0470193563004-PRIND
2021-11-0470193563001-PRIND
2021-11-0470193563005-PRIND
2022-01-0670200066003-PRIND
2022-01-0670200066002-PRIND
2022-01-0670200066005-PRIND
2022-01-0670200066001-PRIND
2022-01-0670200066004-PRIND
2022-02-0170202576001-PRIND
2022-02-0170202576002-PRIND
2022-02-0170202576003-PRIND
2022-02-0170202576004-PRIND
2022-02-0170202576005-PRIND
2022-05-1170214332002-PRI0.0750 ppm
2022-05-1170214332001-PRIND
2022-06-1470218200002ND
2022-06-2070219069001ND
2022-07-2170223042001ND
2022-07-21702230420020.470 ppm
2022-08-0470224569002-SECND
2022-08-0470224569005ND
2022-08-0470224569003ND
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
2023-04-0570251709005-PRIND
2023-04-0570251709002-PRIND
2023-04-0570251709003-PRIND
2023-04-0570251709001-PRIND
2023-04-0570251709004-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