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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Apple Valley Ranchos Water Company

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

 

159

Samples

0

Samples exceeding legal limit (MCL)

137

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20132.69 ppb24240.420 ppb - 5.40 ppb
20142.55 ppb3733ND - 7.50 ppb
20152.78 ppb8169ND - 7.50 ppb
20161.53 ppb63ND - 4.30 ppb
20173.48 ppb65ND - 7.20 ppb
2018N/A00N/A
20191.74 ppb53ND - 3.70 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
2013-06-05B3F0568-012.80 ppb
2013-06-05B3F0568-053.80 ppb
2013-06-05B3F0568-112.10 ppb
2013-06-05B3F0568-034.40 ppb
2013-06-05B3F0568-090.670 ppb
2013-06-05B3F0568-132.20 ppb
2013-06-05B3F0568-071.80 ppb
2013-06-27B3F2901-052.80 ppb
2013-06-27B3F2901-032.20 ppb
2013-06-27B3F2901-091.70 ppb
2013-06-27B3F2901-010.420 ppb
2013-06-27B3F2901-073.90 ppb
2013-12-13B3L1370-283.50 ppb
2013-12-13B3L1370-164.00 ppb
2013-12-13B3L1370-252.10 ppb
2013-12-13B3L1370-194.30 ppb
2013-12-13B3L1370-130.610 ppb
2013-12-13B3L1370-091.80 ppb
2013-12-13B3L1370-013.90 ppb
2013-12-13B3L1370-055.40 ppb
2013-12-13B3L1370-072.60 ppb
2013-12-13B3L1370-113.80 ppb
2013-12-13B3L1370-221.80 ppb
2013-12-13B3L1370-032.00 ppb
2014-06-19B4F2049-043.30 ppb
2014-06-19B4F2049-011.50 ppb
2014-06-19B4F2049-131.30 ppb
2014-06-19B4F2049-171.40 ppb
2014-06-19B4F2049-191.30 ppb
2014-06-19B4F2049-153.30 ppb
2014-06-19B4F2049-070.800 ppb
2014-06-19B4F2049-101.30 ppb
2014-12-11B4L1471-043.20 ppb
2014-12-11B4L1471-011.80 ppb
2014-12-11B4L1471-181.60 ppb
2014-12-11B4L1471-201.40 ppb
2014-12-11B4L1471-163.00 ppb
2014-12-11B4L1471-241.40 ppb
2014-12-11B4L1471-225.30 ppb
2014-12-11B4L1471-073.30 ppb
2014-12-11B4L1471-130.800 ppb
2014-12-11B4L1471-101.40 ppb
2014-12-174790-002-08004.80 ppb
2014-12-174790-004-1220ND
2014-12-174790-008-09083.60 ppb
2014-12-174790-011-08452.00 ppb
2014-12-174790-013-10383.00 ppb
2014-12-174790-014-12057.50 ppb
2014-12-174790-016-08303.70 ppb
2014-12-174790-017-08355.60 ppb
2014-12-174790-018-10083.70 ppb
2014-12-174790-020-10403.10 ppb
2014-12-174790-021-10304.30 ppb
2014-12-174790-024-0945ND
2014-12-174790-025-10124.20 ppb
2014-12-174790-029-08522.20 ppb
2014-12-174790-030-10203.70 ppb
2014-12-174790-032-08421.60 ppb
2014-12-174790-033-0955ND
2014-12-174790-035-0925ND
2014-12-174790-036-10254.10 ppb
2015-03-104790-002-12054.80 ppb
2015-03-104790-004-0845ND
2015-03-104790-008-09183.60 ppb
2015-03-104790-011-08302.00 ppb
2015-03-104790-013-10122.70 ppb
2015-03-104790-014-12007.50 ppb
2015-03-104790-016-08203.60 ppb
2015-03-104790-017-09025.30 ppb
2015-03-104790-020-10203.80 ppb
2015-03-104790-021-10083.40 ppb
2015-03-104790-024-0950ND
2015-03-104790-025-10254.10 ppb
2015-03-104790-029-10402.00 ppb
2015-03-104790-030-10163.10 ppb
2015-03-104790-032-08351.60 ppb
2015-03-104790-035-0934ND
2015-03-104790-036-10023.80 ppb
2015-03-11B5C1183-135.00 ppb
2015-03-11B5C1183-072.10 ppb
2015-03-11B5C1183-100.310 ppb
2015-03-11B5C1183-043.40 ppb
2015-03-11B5C1183-012.90 ppb
2015-03-11B5C1183-200.320 ppb
2015-03-11B5C1183-223.10 ppb
2015-03-11B5C1183-242.40 ppb
2015-03-11B5C1183-160.730 ppb
2015-03-11B5C1183-182.20 ppb
2015-03-184790-009-09205.10 ppb
2015-04-084790-033-0915ND
2015-05-21B5E2179-041.80 ppb
2015-05-21B5E2179-013.40 ppb
2015-05-294790-009-08303.30 ppb
2015-06-244790-002-12124.90 ppb
2015-06-244790-004-0628ND
2015-06-244790-008-09153.60 ppb
2015-06-244790-009-06553.00 ppb
2015-06-244790-011-06501.70 ppb
2015-06-244790-013-08353.00 ppb
2015-06-244790-014-12056.90 ppb
2015-06-244790-016-06153.60 ppb
2015-06-244790-017-09055.60 ppb
2015-06-244790-020-08484.40 ppb
2015-06-244790-021-08303.60 ppb
2015-06-244790-024-0945ND
2015-06-244790-025-08524.00 ppb
2015-06-244790-029-10152.10 ppb
2015-06-244790-030-08383.80 ppb
2015-06-244790-033-0958ND
2015-06-244790-035-0635ND
2015-06-254790-032-08321.90 ppb
2015-06-254790-036-07024.10 ppb
2015-09-024790-004-0628ND
2015-09-024790-008-07183.90 ppb
2015-09-024790-009-06483.20 ppb
2015-09-024790-011-06521.80 ppb
2015-09-024790-013-08322.90 ppb
2015-09-024790-016-06153.80 ppb
2015-09-024790-017-06405.30 ppb
2015-09-024790-020-08424.40 ppb
2015-09-024790-021-08283.10 ppb
2015-09-024790-024-0800ND
2015-09-024790-025-08504.00 ppb
2015-09-024790-029-09022.00 ppb
2015-09-024790-030-08383.70 ppb
2015-09-024790-032-08151.70 ppb
2015-09-024790-033-0805ND
2015-09-024790-035-0732ND
2015-09-024790-036-07003.70 ppb
2015-09-03B5I0501-075.50 ppb
2015-09-03B5I0501-133.20 ppb
2015-09-03B5I0501-010.330 ppb
2015-09-03B5I0501-103.10 ppb
2015-09-03B5I0501-043.90 ppb
2015-09-03B5I0501-243.30 ppb
2015-09-03B5I0501-223.20 ppb
2015-09-03B5I0501-160.730 ppb
2015-09-03B5I0501-183.20 ppb
2015-09-03B5I0501-200.340 ppb
2015-09-224790-014-09106.00 ppb
2015-12-094790-009-09554.10 ppb
2015-12-094790-033-09481.10 ppb
2016-05-114790-004-0750ND
2016-05-114790-024-0828ND
2016-05-114790-025-06454.30 ppb
2016-05-114790-029-06322.10 ppb
2016-05-114790-030-09252.80 ppb
2016-06-023761-037-1045ND
2017-05-244790-009-09304.70 ppb
2017-05-244790-011-09402.50 ppb
2017-05-244790-014-12307.20 ppb
2017-05-244790-020-10154.20 ppb
2017-05-244790-032-09452.30 ppb
2017-05-244790-033-0825ND
2019-05-224790-004-0905ND
2019-05-224790-024-0952ND
2019-05-224790-025-10403.70 ppb
2019-05-224790-029-10202.00 ppb
2019-05-224790-030-10503.00 ppb