Know Your Environment. Protect Your Health.

Chlorite

City of Giddings

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.

 

432

Samples

0

Samples exceeding legal limit (MCL)

157

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201867.7 ppb7228ND - 580.0 ppb
201937.3 ppb7232ND - 242.0 ppb
202045.0 ppb7240ND - 566.0 ppb
202135.0 ppb7259ND - 71.8 ppb
202257.9 ppb7260ND - 203.0 ppb
202359.9 ppb7260ND - 164.0 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
2018-01-1718-0118-4227.0 ppb
2018-01-1718-0118-5198.0 ppb
2018-01-1718-0118-6199.0 ppb
2018-01-1718-0118-7ND
2018-01-1718-0118-8ND
2018-01-1718-0118-9ND
2018-02-0718-0208-1ND
2018-02-0718-0208-250.0 ppb
2018-02-0718-0208-3ND
2018-02-0718-0208-4ND
2018-02-0718-0208-5ND
2018-02-0718-0208-6ND
2018-03-0718-0308-2884.0 ppb
2018-03-0718-0308-29131.0 ppb
2018-03-0718-0308-3025.0 ppb
2018-03-0718-0308-31ND
2018-03-0718-0308-32ND
2018-03-0718-0308-33ND
2018-04-1118-0412-1ND
2018-04-1118-0412-2ND
2018-04-1118-0412-3ND
2018-04-1118-0412-4580.0 ppb
2018-04-1118-0412-5500.0 ppb
2018-04-1118-0412-6400.0 ppb
2018-05-0918-0510-1344.0 ppb
2018-05-0918-0510-2347.0 ppb
2018-05-0918-0510-3332.0 ppb
2018-05-0918-0510-4ND
2018-05-0918-0510-5ND
2018-05-0918-0510-6ND
2018-06-1118-0612-4ND
2018-06-1118-0612-5ND
2018-06-1118-0612-620.0 ppb
2018-06-1118-0612-7ND
2018-06-1118-0612-8ND
2018-06-1118-0612-9ND
2018-07-1018-0711-1333.0 ppb
2018-07-1018-0711-2217.0 ppb
2018-07-1018-0711-3248.0 ppb
2018-07-1018-0711-4ND
2018-07-1018-0711-5ND
2018-07-1018-0711-6ND
2018-08-0618-0807-463.0 ppb
2018-08-0618-0807-565.0 ppb
2018-08-0618-0807-661.0 ppb
2018-08-0618-0807-7ND
2018-08-0618-0807-8ND
2018-08-0618-0807-9ND
2018-09-1718-0918-1ND
2018-09-1718-0918-2ND
2018-09-1718-0918-3ND
2018-09-1718-0918-4ND
2018-09-1718-0918-5ND
2018-09-1718-0918-6ND
2018-10-0318-1004-146.0 ppb
2018-10-0318-1004-240.0 ppb
2018-10-0318-1004-354.0 ppb
2018-10-0318-1004-4ND
2018-10-0318-1004-5ND
2018-10-0318-1004-6ND
2018-11-0818-1109-2ND
2018-11-0818-1109-3ND
2018-11-0818-1109-4ND
2018-11-0818-1109-5ND
2018-11-0818-1109-6ND
2018-11-0818-1109-7ND
2018-12-1318-1214-472.0 ppb
2018-12-1318-1214-575.0 ppb
2018-12-1318-1214-672.0 ppb
2018-12-1318-1214-7ND
2018-12-1318-1214-834.0 ppb
2018-12-1318-1214-958.0 ppb
2019-01-1619-0117-1173.0 ppb
2019-01-1619-0117-2207.0 ppb
2019-01-1619-0117-3216.0 ppb
2019-01-1619-0117-4107.0 ppb
2019-01-1619-0117-587.0 ppb
2019-01-1619-0117-639.0 ppb
2019-02-1219-0213-1075.0 ppb
2019-02-1219-0213-11ND
2019-02-1219-0213-1271.0 ppb
2019-02-1219-0213-13ND
2019-02-1219-0213-892.0 ppb
2019-02-1219-0213-974.0 ppb
2019-03-1119-0312-145.0 ppb
2019-03-1119-0312-242.0 ppb
2019-03-1119-0312-343.0 ppb
2019-03-1119-0312-4ND
2019-03-1119-0312-5ND
2019-03-1119-0312-6ND
2019-04-1019-0411-130.0 ppb
2019-04-1019-0411-240.0 ppb
2019-04-1019-0411-324.0 ppb
2019-04-1019-0411-463.0 ppb
2019-04-1019-0411-537.0 ppb
2019-04-1019-0411-6ND
2019-05-1419-0515-131.0 ppb
2019-05-1419-0515-2ND
2019-05-1419-0515-3ND
2019-05-1419-0515-4ND
2019-05-1419-0515-5ND
2019-05-1419-0515-6ND
2019-06-1119-0612-121.0 ppb
2019-06-1119-0612-219.0 ppb
2019-06-1119-0612-326.0 ppb
2019-06-1119-0612-420.0 ppb
2019-06-1119-0612-5ND
2019-06-1119-0612-622.0 ppb
2019-07-0919-0710-18ND
2019-07-0919-0710-19ND
2019-07-0919-0710-2029.0 ppb
2019-07-0919-0710-21ND
2019-07-0919-0710-22ND
2019-07-0919-0710-23ND
2019-08-1219-0813-1ND
2019-08-1219-0813-283.0 ppb
2019-08-1219-0813-3ND
2019-08-1219-0813-425.0 ppb
2019-08-1219-0813-5ND
2019-08-1219-0813-6ND
2019-09-1119-0913-10ND
2019-09-1119-0913-11ND
2019-09-1119-0913-12ND
2019-09-1119-0913-7ND
2019-09-1119-0913-8ND
2019-09-1119-0913-9ND
2019-10-0719-1008-1ND
2019-10-0719-1008-2ND
2019-10-0719-1008-3ND
2019-10-0719-1008-4ND
2019-10-0719-1008-5ND
2019-10-0719-1008-6ND
2019-11-1219-1113-1242.0 ppb
2019-11-1219-1113-2229.0 ppb
2019-11-1219-1113-3202.0 ppb
2019-11-1219-1113-4ND
2019-11-1219-1113-5166.0 ppb
2019-11-1219-1113-6109.0 ppb
2019-12-1019-1211-1ND
2019-12-1019-1211-2ND
2019-12-1019-1211-3ND
2019-12-1019-1211-4ND
2019-12-1019-1211-5ND
2019-12-1019-1211-6ND
2020-01-0820--0109-120.0 ppb
2020-01-0820--0109-218.0 ppb
2020-01-0820--0109-325.0 ppb
2020-01-0820--0109-4ND
2020-01-0820--0109-5ND
2020-01-0820--0109-6ND
2020-02-2420-0225-1059.0 ppb
2020-02-2420-0225-11205.0 ppb
2020-02-2420-0225-6417.0 ppb
2020-02-2420-0225-7566.0 ppb
2020-02-2420-0225-8560.0 ppb
2020-02-2420-0225-9ND
2020-03-0920-0310-1625.0 ppb
2020-03-0920-0310-1716.0 ppb
2020-03-0920-0310-1832.0 ppb
2020-03-0920-0310-19ND
2020-03-0920-0310-20ND
2020-03-0920-0310-21ND
2020-04-1420-0415-118.0 ppb
2020-04-1420-0415-235.0 ppb
2020-04-1420-0415-3ND
2020-04-1420-0415-425.0 ppb
2020-04-1420-0415-5ND
2020-04-1420-0415-635.0 ppb
2020-05-0520-0506-1ND
2020-05-0520-0506-2ND
2020-05-0520-0506-3ND
2020-05-0520-0506-4ND
2020-05-0520-0506-5ND
2020-05-0520-0506-6ND
2020-06-1120-0612-142.0 ppb
2020-06-1120-0612-229.0 ppb
2020-06-1120-0612-348.0 ppb
2020-06-1120-0612-4ND
2020-06-1120-0612-5ND
2020-06-1120-0612-6ND
2020-07-0620-0707-137.0 ppb
2020-07-0620-0707-235.0 ppb
2020-07-0620-0707-336.0 ppb
2020-07-0620-0707-4ND
2020-07-0620-0707-5ND
2020-07-0620-0707-6ND
2020-08-1120-0812-141.0 ppb
2020-08-1120-0812-228.0 ppb
2020-08-1120-0812-335.0 ppb
2020-08-1120-0812-4ND
2020-08-1120-0812-5ND
2020-08-1120-0812-6ND
2020-09-1520-0916-175.0 ppb
2020-09-1520-0916-276.0 ppb
2020-09-1520-0916-370.0 ppb
2020-09-1520-0916-474.0 ppb
2020-09-1520-0916-599.0 ppb
2020-09-1520-0916-688.0 ppb
2020-10-0620-1007-147.0 ppb
2020-10-0620-1007-244.0 ppb
2020-10-0620-1007-340.0 ppb
2020-10-0620-1007-449.0 ppb
2020-10-0620-1007-524.0 ppb
2020-10-0620-1007-6ND
2020-11-0920-1110-146.0 ppb
2020-11-0920-1110-228.0 ppb
2020-11-0920-1110-345.0 ppb
2020-11-0920-1110-4ND
2020-11-0920-1110-524.0 ppb
2020-11-0920-1110-625.0 ppb
2020-12-0720-1208-10ND
2020-12-0720-1208-11ND
2020-12-0720-1208-12ND
2020-12-0720-1208-13ND
2020-12-0720-1208-14ND
2020-12-0720-1208-9ND
2021-01-2021-0121-137.0 ppb
2021-01-2021-0121-240.0 ppb
2021-01-2021-0121-344.0 ppb
2021-01-2021-0121-4ND
2021-01-2021-0121-529.0 ppb
2021-01-2021-0121-6ND
2021-02-0921-0210-1050.0 ppb
2021-02-0921-0210-1152.0 ppb
2021-02-0921-0210-1257.0 ppb
2021-02-0921-0210-1341.0 ppb
2021-02-0921-0210-1433.0 ppb
2021-02-0921-0210-1516.0 ppb
2021-03-1621-0317-10ND
2021-03-1621-0317-11ND
2021-03-1621-0317-12ND
2021-03-1621-0317-13ND
2021-03-1621-0317-14ND
2021-03-1621-0317-15ND
2021-04-1221-0413-156.0 ppb
2021-04-1221-0413-253.0 ppb
2021-04-1221-0413-351.0 ppb
2021-04-1221-0413-4ND
2021-04-1221-0413-523.0 ppb
2021-04-1221-0413-615.0 ppb
2021-05-1221-0513-166.0 ppb
2021-05-1221-0513-260.0 ppb
2021-05-1221-0513-354.0 ppb
2021-05-1221-0513-4ND
2021-05-1221-0513-5ND
2021-05-1221-0513-646.0 ppb
2021-06-1621-0617-137.0 ppb
2021-06-1621-0617-249.0 ppb
2021-06-1621-0617-345.0 ppb
2021-06-1621-0617-4ND
2021-06-1621-0617-524.0 ppb
2021-06-1621-0617-615.0 ppb
2021-07-12200459367.0 ppb
2021-07-12200459449.9 ppb
2021-07-12200459571.8 ppb
2021-07-12200459624.6 ppb
2021-07-12200459734.8 ppb
2021-07-12200459834.6 ppb
2021-08-112014412234.8 ppb
2021-08-112014412332.6 ppb
2021-08-112014412436.0 ppb
2021-08-112014412532.8 ppb
2021-08-112014412629.9 ppb
2021-08-112014412732.7 ppb
2021-09-14202387543.8 ppb
2021-09-14202387641.7 ppb
2021-09-14202387747.5 ppb
2021-09-14202387813.5 ppb
2021-09-14202387943.6 ppb
2021-09-142023880ND
2021-10-19203440442.0 ppb
2021-10-19203440545.2 ppb
2021-10-19203440647.9 ppb
2021-10-19203440751.4 ppb
2021-10-19203440852.5 ppb
2021-10-19203440951.5 ppb
2021-11-17204272045.7 ppb
2021-11-17204272143.3 ppb
2021-11-17204272242.3 ppb
2021-11-17204272352.2 ppb
2021-11-17204272443.1 ppb
2021-11-17204272571.4 ppb
2021-12-15205033444.3 ppb
2021-12-15205033541.7 ppb
2021-12-15205033641.5 ppb
2021-12-15205033751.7 ppb
2021-12-15205033854.0 ppb
2021-12-15205033934.9 ppb
2022-01-18205801543.5 ppb
2022-01-18205801645.0 ppb
2022-01-18205801744.5 ppb
2022-01-18205801840.2 ppb
2022-01-18205801927.5 ppb
2022-01-18205802015.7 ppb
2022-02-22206849632.3 ppb
2022-02-22206849735.2 ppb
2022-02-22206849835.9 ppb
2022-02-22206849912.3 ppb
2022-02-22206850034.4 ppb
2022-02-22206850121.8 ppb
2022-03-16207492477.2 ppb
2022-03-16207492563.2 ppb
2022-03-16207492683.1 ppb
2022-03-16207492738.8 ppb
2022-03-16207492866.5 ppb
2022-03-16207492939.6 ppb
2022-04-18208425379.0 ppb
2022-04-18208425453.9 ppb
2022-04-18208425579.9 ppb
2022-04-18208425667.0 ppb
2022-04-18208425769.0 ppb
2022-04-18208425839.6 ppb
2022-05-18209315082.5 ppb
2022-05-18209315182.2 ppb
2022-05-18209315283.0 ppb
2022-05-182093153110.0 ppb
2022-05-18209315483.8 ppb
2022-05-18209315556.1 ppb
2022-06-22210214483.3 ppb
2022-06-22210214582.4 ppb
2022-06-22210214681.8 ppb
2022-06-22210214768.9 ppb
2022-06-22210214872.7 ppb
2022-06-22210214955.7 ppb
2022-07-27211166889.4 ppb
2022-07-27211166994.5 ppb
2022-07-27211167099.8 ppb
2022-07-27211167196.6 ppb
2022-07-27211167268.6 ppb
2022-07-27211167356.1 ppb
2022-08-092115169203.0 ppb
2022-08-092115171194.0 ppb
2022-08-092115172198.0 ppb
2022-08-09211517337.2 ppb
2022-08-092115174126.0 ppb
2022-08-092115175ND
2022-09-13212576089.5 ppb
2022-09-13212576191.2 ppb
2022-09-13212576294.8 ppb
2022-09-132125763ND
2022-09-13212576437.4 ppb
2022-09-13212576544.8 ppb
2022-10-17213584060.6 ppb
2022-10-17213584156.9 ppb
2022-10-17213584258.6 ppb
2022-10-172135843110.0 ppb
2022-10-17213584472.1 ppb
2022-10-17213584520.5 ppb
2022-11-14214430232.1 ppb
2022-11-14214430346.4 ppb
2022-11-142144304ND
2022-11-142144305ND
2022-11-142144306ND
2022-11-142144307ND
2022-12-122152763ND
2022-12-122152765ND
2022-12-122152766ND
2022-12-122152767ND
2022-12-122152768ND
2022-12-122152769ND
2023-01-18216230573.7 ppb
2023-01-18216230674.2 ppb
2023-01-18216230771.8 ppb
2023-01-18216230874.2 ppb
2023-01-18216230972.1 ppb
2023-01-18216231074.8 ppb
2023-02-14217019977.2 ppb
2023-02-14217020179.9 ppb
2023-02-14217020277.8 ppb
2023-02-14217020354.4 ppb
2023-02-14217020488.4 ppb
2023-02-14217020541.5 ppb
2023-03-13217912386.9 ppb
2023-03-13217912485.7 ppb
2023-03-13217912586.4 ppb
2023-03-13217912679.3 ppb
2023-03-13217912787.5 ppb
2023-03-13217912872.5 ppb
2023-04-102186385158.0 ppb
2023-04-102186386141.0 ppb
2023-04-102186387164.0 ppb
2023-04-10218638875.4 ppb
2023-04-102186389105.0 ppb
2023-04-102186390156.0 ppb
2023-05-15219707574.6 ppb
2023-05-15219707673.8 ppb
2023-05-15219707776.4 ppb
2023-05-15219707852.6 ppb
2023-05-15219707960.2 ppb
2023-05-15219708056.6 ppb
2023-06-13220508276.3 ppb
2023-06-13220508376.8 ppb
2023-06-13220508475.5 ppb
2023-06-13220508543.6 ppb
2023-06-13220508642.1 ppb
2023-06-13220508776.9 ppb
2023-07-122213960ND
2023-07-122213961ND
2023-07-122213962ND
2023-07-122213963ND
2023-07-122213964ND
2023-07-122213965ND
2023-08-08222105956.8 ppb
2023-08-08222106054.7 ppb
2023-08-08222106153.1 ppb
2023-08-08222106219.8 ppb
2023-08-08222106330.5 ppb
2023-08-08222106410.5 ppb
2023-09-11223051573.9 ppb
2023-09-11223051675.3 ppb
2023-09-11223051776.2 ppb
2023-09-11223051852.0 ppb
2023-09-11223051963.9 ppb
2023-09-11223052030.3 ppb
2023-10-22224238865.4 ppb
2023-10-22224238966.9 ppb
2023-10-22224239066.6 ppb
2023-10-222242391ND
2023-10-22224239264.0 ppb
2023-10-222242393ND
2023-11-13224805472.1 ppb
2023-11-13224805567.1 ppb
2023-11-13224805673.7 ppb
2023-11-13224805762.7 ppb
2023-11-13224805869.3 ppb
2023-11-13224805966.6 ppb
2023-12-052253707ND
2023-12-052253708ND
2023-12-052253709ND
2023-12-052253710ND
2023-12-05225371156.1 ppb
2023-12-05225371245.2 ppb