Know Your Environment. Protect Your Health.

Chlorite

Evansville

Chlorite is a disinfection byproduct resulting from water treatment with chlorine dioxide. Chlorite decreases hemoglobin levels and causes other hematologic effects. Read More.

Chlorite also forms when chlorine dioxide is used as a bleaching agent for textiles, paper pulp, flour and oils, and from the use of chlorine dioxide in food and packaging.� In 2009, California published a public health goal of 50 parts per billion for chlorite in drinking water. California state scientists reported that chlorite causes red blood cell damage, affects sperm and thyroid function, and may alter behavior and neurodevelopment of rat pups exposed in the womb.

Click here to read more about disinfection byproducts.

 

203

Samples

1

Samples exceeding legal limit (MCL)

135

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018299.0 ppb2726ND - 1,100.0 ppb
2019329.4 ppb3632ND - 990.0 ppb
2020375.7 ppb323214.0 ppb - 840.0 ppb
2021218.3 ppb3625ND - 810.0 ppb
2022181.1 ppb3629ND - 650.0 ppb
2023111.2 ppb3615ND - 630.0 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 50 ppb

The EWG Health Guideline of 50 ppb for chlorite was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against change in blood chemistry.

EPA Maximum Contaminant
Level (MCL): 1,000 ppb

ppb = parts per billion

All test results

Date Lab ID Result
2018-01-223856652870.0 ppb
2018-01-2238566531,100.0 ppb
2018-01-22385665499.0 ppb
2018-02-053865266720.0 ppb
2018-02-053865267950.0 ppb
2018-02-053865268740.0 ppb
2018-03-193893334200.0 ppb
2018-03-193893335420.0 ppb
2018-03-193893336280.0 ppb
2018-07-183993886ND
2018-07-18399388730.0 ppb
2018-07-18399388818.0 ppb
2018-08-15402389018.0 ppb
2018-08-15402389195.0 ppb
2018-08-15402389237.0 ppb
2018-09-17405906939.0 ppb
2018-09-17405907031.0 ppb
2018-09-174059071130.0 ppb
2018-10-01407462435.0 ppb
2018-10-014074625260.0 ppb
2018-10-01407462643.0 ppb
2018-11-13412147642.0 ppb
2018-11-134121477640.0 ppb
2018-11-134121478260.0 ppb
2018-12-10414558025.0 ppb
2018-12-104145581600.0 ppb
2018-12-104145582390.0 ppb
2019-01-094169798210.0 ppb
2019-01-094169799990.0 ppb
2019-01-094169800440.0 ppb
2019-02-194203730190.0 ppb
2019-02-194203731780.0 ppb
2019-02-194203732410.0 ppb
2019-03-114224674ND
2019-03-114224675760.0 ppb
2019-03-114224676360.0 ppb
2019-04-104256560ND
2019-04-104256561480.0 ppb
2019-04-104256562120.0 ppb
2019-05-084287463ND
2019-05-084287464240.0 ppb
2019-05-084287465130.0 ppb
2019-06-054315159ND
2019-06-054315160180.0 ppb
2019-06-054315161130.0 ppb
2019-07-104349622440.0 ppb
2019-07-104349623260.0 ppb
2019-07-104349624100.0 ppb
2019-08-054375865630.0 ppb
2019-08-054375866170.0 ppb
2019-08-05437586780.0 ppb
2019-09-034407989530.0 ppb
2019-09-034407990410.0 ppb
2019-09-034407991190.0 ppb
2019-10-154456311600.0 ppb
2019-10-154456312260.0 ppb
2019-10-154456313190.0 ppb
2019-11-194491436520.0 ppb
2019-11-194491437210.0 ppb
2019-11-194491438300.0 ppb
2019-12-094508048560.0 ppb
2019-12-094508049540.0 ppb
2019-12-094508050450.0 ppb
2020-01-154539884680.0 ppb
2020-01-154539885570.0 ppb
2020-02-114562562840.0 ppb
2020-02-114562563720.0 ppb
2020-02-114562564370.0 ppb
2020-03-104584393700.0 ppb
2020-03-104584394480.0 ppb
2020-03-104584395240.0 ppb
2020-04-154609293680.0 ppb
2020-04-154609294400.0 ppb
2020-04-154609295160.0 ppb
2020-05-124626095660.0 ppb
2020-05-124626097150.0 ppb
2020-06-164650843540.0 ppb
2020-06-164650844200.0 ppb
2020-06-16465084570.0 ppb
2020-08-044689271210.0 ppb
2020-08-044689272140.0 ppb
2020-08-04468927340.0 ppb
2020-08-174701466420.0 ppb
2020-08-174701467180.0 ppb
2020-08-17470146819.0 ppb
2020-09-154726368530.0 ppb
2020-09-154726369200.0 ppb
2020-10-134749831170.0 ppb
2020-10-134749832330.0 ppb
2020-10-134749833730.0 ppb
2020-11-174778617530.0 ppb
2020-11-174778618270.0 ppb
2020-12-084793016580.0 ppb
2020-12-084793017200.0 ppb
2020-12-08479301814.0 ppb
2021-01-194816911810.0 ppb
2021-01-194816912630.0 ppb
2021-01-194816913190.0 ppb
2021-02-084830120370.0 ppb
2021-02-084830121310.0 ppb
2021-02-08483012283.0 ppb
2021-03-104852397610.0 ppb
2021-03-104852398470.0 ppb
2021-03-104852399130.0 ppb
2021-04-124874876530.0 ppb
2021-04-12487487766.0 ppb
2021-04-12487487834.0 ppb
2021-05-194907091440.0 ppb
2021-05-194907092280.0 ppb
2021-05-19490709385.0 ppb
2021-06-084923889490.0 ppb
2021-06-084923890240.0 ppb
2021-06-08492389180.0 ppb
2021-07-19495907761.0 ppb
2021-07-19495907851.0 ppb
2021-07-194959079ND
2021-08-244995141480.0 ppb
2021-08-244995142490.0 ppb
2021-08-24499514388.0 ppb
2021-09-21810-3017-1ND
2021-09-21810-3017-2ND
2021-09-21810-3017-3ND
2021-10-25810-5814-1ND
2021-10-25810-5814-2ND
2021-10-25810-5814-3ND
2021-11-16810-7780-1ND
2021-11-16810-7780-2ND
2021-11-16810-7780-3ND
2021-12-13810-9911-1630.0 ppb
2021-12-13810-9911-2210.0 ppb
2021-12-13810-9911-3ND
2022-01-10810-11720-1580.0 ppb
2022-01-10810-11720-285.0 ppb
2022-01-10810-11720-367.0 ppb
2022-02-14810-14927-1270.0 ppb
2022-02-14810-14927-2160.0 ppb
2022-02-14810-14927-366.0 ppb
2022-03-22810-18655-1280.0 ppb
2022-03-22810-18655-2150.0 ppb
2022-03-22810-18655-315.0 ppb
2022-04-12810-20728-1310.0 ppb
2022-04-12810-20728-2220.0 ppb
2022-04-12810-20728-3ND
2022-05-16810-24858-1560.0 ppb
2022-05-16810-24858-2330.0 ppb
2022-05-16810-24858-314.0 ppb
2022-06-07810-26940-1300.0 ppb
2022-06-07810-26940-2170.0 ppb
2022-06-07810-26940-340.0 ppb
2022-07-19810-31128-1240.0 ppb
2022-07-19810-31128-243.0 ppb
2022-07-19810-31128-3ND
2022-08-10810-33597-189.0 ppb
2022-08-10810-33597-232.0 ppb
2022-08-10810-33597-3ND
2022-09-14810-37535-1420.0 ppb
2022-09-14810-37535-2180.0 ppb
2022-09-14810-37535-3ND
2022-10-11810-41050-1650.0 ppb
2022-10-11810-41050-2410.0 ppb
2022-10-11810-41050-3270.0 ppb
2022-11-16810-45002-1ND
2022-11-16810-45002-2260.0 ppb
2022-11-16810-45002-3280.0 ppb
2022-12-07810-46884-1ND
2022-12-07810-46884-2ND
2022-12-07810-46884-327.0 ppb
2023-01-17810-50558-1ND
2023-01-17810-50558-2ND
2023-01-17810-50558-3ND
2023-02-22810-54561-1ND
2023-02-22810-54561-2ND
2023-02-22810-54561-3ND
2023-03-21810-57260-1630.0 ppb
2023-03-21810-57260-2370.0 ppb
2023-03-21810-57260-3ND
2023-04-17810-60043-1590.0 ppb
2023-04-17810-60043-2110.0 ppb
2023-04-17810-60043-311.0 ppb
2023-05-16810-63662-1380.0 ppb
2023-05-16810-63662-2530.0 ppb
2023-05-16810-63662-321.0 ppb
2023-06-07810-65706-1270.0 ppb
2023-06-07810-65706-2220.0 ppb
2023-06-07810-65706-339.0 ppb
2023-07-24810-71006-1260.0 ppb
2023-07-24810-71006-2180.0 ppb
2023-07-24810-71006-3ND
2023-08-23810-75136-1ND
2023-08-23810-75136-2ND
2023-08-23810-75136-3ND
2023-09-20810-78490-1ND
2023-09-20810-78490-2ND
2023-09-20810-78490-3ND
2023-10-23810-82452-1ND
2023-10-23810-82452-2ND
2023-10-23810-82452-3ND
2023-11-15810-85503-1380.0 ppb
2023-11-15810-85503-2ND
2023-11-15810-85503-3ND
2023-12-12810-87767-1ND
2023-12-12810-87767-2ND
2023-12-12810-87767-312.0 ppb