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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Sunnyslope County Water District

Chromium (hexavalent) is a carcinogen that commonly contaminates American drinking water. Chromium (hexavalent) in drinking water may be due to industrial pollution or natural occurrences in mineral deposits and groundwater. Read more about chromium (hexavalent).

MORE ABOUT THIS CONTAMINANT

 

212

Samples

0

Samples exceeding legal limit (MCL)

212

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20135.38 ppb11110.0540 ppb - 14.0 ppb
20146.62 ppb21210.0620 ppb - 13.0 ppb
201510.3 ppb21213.60 ppb - 16.0 ppb
20168.14 ppb68682.90 ppb - 16.0 ppb
20177.99 ppb76762.30 ppb - 14.0 ppb
20187.83 ppb10102.60 ppb - 13.0 ppb
20198.82 ppb552.20 ppb - 13.0 ppb

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 0.02 ppb

The EWG Health Guideline of 0.02 ppb for chromium (hexavalent) 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 cancer.

ppb = parts per billion

All test results

Date Lab ID Result
2013-08-06A3G0994-15A8.90 ppb
2013-08-06A3G0994-17A2.20 ppb
2013-08-06A3G0994-13A0.0860 ppb
2013-08-06A3G0994-09A0.0540 ppb
2013-08-06A3G0994-07A6.90 ppb
2013-08-06A3G0994-11A3.30 ppb
2013-08-06A3G0994-01A8.80 ppb
2013-08-06A3G0994-05A7.10 ppb
2013-08-06A3G0994-03A7.80 ppb
2013-11-05A3J1480-03A14.0 ppb
2013-11-05A3J1480-01A0.0660 ppb
2014-02-04A4A1421-11A7.90 ppb
2014-02-04A4A1421-13A3.10 ppb
2014-02-04A4A1422-03A0.130 ppb
2014-02-04A4A1422-01A0.1000 ppb
2014-02-04A4A1421-07A7.40 ppb
2014-02-04A4A1421-09A3.30 ppb
2014-02-04A4A1421-03A11.0 ppb
2014-02-04A4A1421-01A8.80 ppb
2014-02-04A4A1421-05A12.0 ppb
2014-05-06A4D1729-03A0.210 ppb
2014-05-06A4D1729-01A0.0620 ppb
2014-06-105810-002-10307.60 ppb
2014-06-105810-003-101513.0 ppb
2014-06-105810-007-10008.80 ppb
2014-06-105810-009-10389.20 ppb
2014-06-105810-016-10103.70 ppb
2014-11-125810-002-12537.90 ppb
2014-11-125810-003-123013.0 ppb
2014-11-125810-007-12108.70 ppb
2014-11-125810-009-13049.50 ppb
2014-11-125810-016-13153.60 ppb
2015-02-045810-003-123513.0 ppb
2015-05-115810-003-113513.0 ppb
2015-06-165810-003-094513.0 ppb
2015-06-165810-016-09354.10 ppb
2015-06-235810-003-091014.0 ppb
2015-06-235810-016-09003.80 ppb
2015-06-305810-003-091513.0 ppb
2015-06-305810-016-09003.80 ppb
2015-08-195810-003-070013.0 ppb
2015-10-085810-003-064013.0 ppb
2015-10-085810-016-06303.60 ppb
2015-11-055810-003-074312.0 ppb
2015-11-055810-016-07103.60 ppb
2015-11-195810-002-08007.10 ppb
2015-11-195810-007-07458.20 ppb
2015-11-195810-009-081016.0 ppb
2015-12-025810-003-070013.0 ppb
2015-12-025810-016-06403.70 ppb
2015-12-155810-009-071516.0 ppb
2015-12-215810-009-071515.0 ppb
2015-12-285810-009-071514.0 ppb
2016-01-075810-003-070012.0 ppb
2016-01-075810-016-06003.30 ppb
2016-02-045810-003-071012.0 ppb
2016-02-045810-009-072015.0 ppb
2016-02-045810-016-06402.90 ppb
2016-03-035810-003-070013.0 ppb
2016-03-035810-016-06303.30 ppb
2016-03-035810-018-06557.50 ppb
2016-03-095810-018-07007.10 ppb
2016-03-165810-018-06557.20 ppb
2016-03-245810-018-06556.70 ppb
2016-03-305810-018-09437.40 ppb
2016-04-065810-003-070514.0 ppb
2016-04-065810-016-06353.50 ppb
2016-04-065810-018-07008.30 ppb
2016-04-135810-018-07007.60 ppb
2016-04-205810-018-07007.90 ppb
2016-04-265810-018-07008.30 ppb
2016-05-035810-003-070513.0 ppb
2016-05-035810-009-064015.0 ppb
2016-05-035810-016-06153.00 ppb
2016-05-035810-018-07007.70 ppb
2016-05-115810-018-07008.20 ppb
2016-05-195810-018-07008.50 ppb
2016-05-245810-018-07007.30 ppb
2016-06-025810-018-07156.30 ppb
2016-06-085810-003-072015.0 ppb
2016-06-085810-016-06103.70 ppb
2016-06-085810-018-07108.40 ppb
2016-06-155810-018-07008.70 ppb
2016-06-225810-018-07057.90 ppb
2016-06-285810-018-07008.60 ppb
2016-07-075810-003-072513.0 ppb
2016-07-075810-016-06253.30 ppb
2016-07-075810-018-07057.60 ppb
2016-07-125810-018-07007.50 ppb
2016-07-205810-018-07058.50 ppb
2016-07-255810-018-07056.80 ppb
2016-08-045810-003-071513.0 ppb
2016-08-045810-009-081516.0 ppb
2016-08-045810-016-05503.30 ppb
2016-08-045810-018-07057.80 ppb
2016-08-115810-018-07058.00 ppb
2016-08-175810-018-07107.00 ppb
2016-08-225810-018-07057.80 ppb
2016-09-015810-018-07059.10 ppb
2016-09-085810-003-071514.0 ppb
2016-09-085810-016-07254.10 ppb
2016-09-085810-018-07058.40 ppb
2016-09-135810-018-07058.00 ppb
2016-09-205810-018-07059.00 ppb
2016-09-265810-018-07058.50 ppb
2016-10-065810-016-07153.90 ppb
2016-10-065810-018-07303.90 ppb
2016-10-135810-018-07304.00 ppb
2016-10-205810-018-07304.00 ppb
2016-10-255810-003-073012.0 ppb
2016-10-255810-018-07207.10 ppb
2016-11-095810-018-07207.80 ppb
2016-11-155810-018-07207.80 ppb
2016-11-215810-018-07207.60 ppb
2016-12-015810-018-07207.80 ppb
2016-12-085810-003-071014.0 ppb
2016-12-085810-016-07003.80 ppb
2016-12-085810-018-07207.70 ppb
2016-12-135810-018-07207.90 ppb
2016-12-195810-018-07207.30 ppb
2016-12-275810-018-07207.90 ppb
2017-01-055810-003-072314.0 ppb
2017-01-055810-016-07354.00 ppb
2017-01-055810-018-07208.10 ppb
2017-01-095810-018-07207.40 ppb
2017-01-175810-018-07207.90 ppb
2017-01-185810-003-070014.0 ppb
2017-01-185810-016-07403.90 ppb
2017-01-235810-018-07057.00 ppb
2017-02-015810-003-071514.0 ppb
2017-02-015810-009-081513.0 ppb
2017-02-015810-016-06403.00 ppb
2017-02-015810-018-07107.60 ppb
2017-02-075810-018-07107.70 ppb
2017-02-135810-018-07237.50 ppb
2017-02-215810-018-07106.50 ppb
2017-03-015810-003-071512.0 ppb
2017-03-015810-016-06302.30 ppb
2017-03-015810-018-07055.90 ppb
2017-03-065810-018-07106.50 ppb
2017-03-135810-018-07156.60 ppb
2017-03-205810-018-07106.80 ppb
2017-03-275810-018-07056.40 ppb
2017-04-055810-003-070013.0 ppb
2017-04-055810-016-06403.50 ppb
2017-04-055810-018-07107.40 ppb
2017-04-105810-018-07106.90 ppb
2017-04-175810-018-07056.40 ppb
2017-04-245810-018-07056.60 ppb
2017-05-035810-003-071014.0 ppb
2017-05-035810-009-08205.70 ppb
2017-05-035810-016-06353.80 ppb
2017-05-035810-018-07007.40 ppb
2017-05-085810-018-07107.20 ppb
2017-05-155810-018-07107.40 ppb
2017-05-225810-018-07107.60 ppb
2017-06-015810-003-065014.0 ppb
2017-06-015810-016-06354.10 ppb
2017-06-015810-018-07057.80 ppb
2017-06-055810-018-07107.80 ppb
2017-06-135810-018-07058.10 ppb
2017-06-195810-018-07007.80 ppb
2017-06-265810-018-07108.00 ppb
2017-07-065810-003-071514.0 ppb
2017-07-065810-016-06354.10 ppb
2017-07-065810-018-07108.10 ppb
2017-07-115810-018-07107.90 ppb
2017-07-175810-018-07107.70 ppb
2017-07-245810-018-07107.90 ppb
2017-08-025810-003-071514.0 ppb
2017-08-025810-009-08208.30 ppb
2017-08-025810-016-06404.10 ppb
2017-08-025810-018-07107.80 ppb
2017-08-085810-018-07108.40 ppb
2017-08-155810-018-07108.00 ppb
2017-08-215810-018-07108.30 ppb
2017-08-285810-018-07158.10 ppb
2017-09-075810-003-065514.0 ppb
2017-09-075810-016-06404.00 ppb
2017-09-075810-018-07107.80 ppb
2017-09-115810-018-07107.80 ppb
2017-09-185810-018-07108.20 ppb
2017-09-255810-018-07107.70 ppb
2017-10-045810-003-072014.0 ppb
2017-10-045810-016-06404.00 ppb
2017-10-045810-018-07108.10 ppb
2017-10-095810-018-07108.00 ppb
2017-10-165810-018-07108.00 ppb
2017-10-235810-018-07107.60 ppb
2017-11-025810-002-08258.80 ppb
2017-11-025810-003-071014.0 ppb
2017-11-025810-007-06459.80 ppb
2017-11-025810-009-08155.70 ppb
2017-11-025810-016-07203.90 ppb
2017-11-025810-018-07008.00 ppb
2017-11-075810-018-07007.40 ppb
2017-11-135810-018-07007.30 ppb
2018-01-095810-002-08108.10 ppb
2018-01-095810-007-07459.40 ppb
2018-01-095810-009-08206.10 ppb
2018-01-095810-016-07303.60 ppb
2018-01-175810-003-070011.0 ppb
2018-11-085810-002-08108.80 ppb
2018-11-085810-003-072013.0 ppb
2018-11-085810-007-07009.50 ppb
2018-11-085810-009-08206.20 ppb
2018-11-085810-016-07102.60 ppb
2019-11-205810-002-083513.0 ppb
2019-11-205810-003-071513.0 ppb
2019-11-205810-007-07109.20 ppb
2019-11-205810-009-08156.70 ppb
2019-11-205810-016-07002.20 ppb