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EWG's Tap Water Database — 2021 UPDATE

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Chromium (hexavalent)

Soquel Creek 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

 

156

Samples

0

Samples exceeding legal limit (MCL)

58

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20135.65 ppb3828ND - 35.0 ppb
20140.850 ppb63ND - 2.20 ppb
20151.20 ppb2210ND - 6.30 ppb
20160.0577 ppb6617ND - 1.10 ppb
2017ND230ND
2018N/A00N/A
2019ND10ND

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
2013-02-111302269-001C5.20 ppb
2013-02-111302266-001C11.0 ppb
2013-02-111302263-001C19.0 ppb
2013-02-111302271-001C0.160 ppb
2013-02-111302268-001C1.80 ppb
2013-02-111302264-001C21.0 ppb
2013-02-111302267-001C13.0 ppb
2013-02-111302265-001C0.1000 ppb
2013-02-111302270-001C33.0 ppb
2013-02-121302311-001CND
2013-02-121302309-001CND
2013-02-121302312-001C0.0300 ppb
2013-02-121302314-001C0.1000 ppb
2013-02-121302313-001C0.1000 ppb
2013-02-121302310-001C0.0800 ppb
2013-02-131302367-001C0.0400 ppb
2013-02-131302364-001C0.0600 ppb
2013-02-131302366-001CND
2013-02-131302365-001C0.0600 ppb
2013-08-131308448-001C6.90 ppb
2013-08-131308445-001C12.0 ppb
2013-08-131308446-001C17.0 ppb
2013-08-131308444-001C0.170 ppb
2013-08-131308450-001C0.0840 ppb
2013-08-131308451-001CND
2013-08-131308443-001A22.0 ppb
2013-08-131308442-001AND
2013-08-131308447-001C15.0 ppb
2013-08-131308449-001C35.0 ppb
2013-08-141308512-001CND
2013-08-141308513-001CND
2013-08-141308508-001CND
2013-08-141308510-001C0.310 ppb
2013-08-141308509-001A1.50 ppb
2013-08-141308511-001C0.1000 ppb
2013-08-161308580-001CND
2013-08-161308579-001C0.0900 ppb
2013-08-161308578-001CND
2014-10-241644-052-1330ND
2014-11-031644-052-1140ND
2014-11-101644-052-1012ND
2014-11-171644-052-12131.20 ppb
2014-11-241644-052-11381.70 ppb
2014-12-021644-052-12002.20 ppb
2015-01-071644-052-11003.10 ppb
2015-02-041644-052-15253.30 ppb
2015-03-021644-052-11171.70 ppb
2015-04-061644-052-12121.90 ppb
2015-05-071644-052-10111.50 ppb
2015-06-011644-052-08203.10 ppb
2015-06-081644-052-08072.40 ppb
2015-07-011644-052-08231.60 ppb
2015-08-051644-052-08411.50 ppb
2015-09-081644-052-11596.30 ppb
2015-10-061644-052-1406ND
2015-11-041644-052-0923ND
2015-11-101644-052-1412ND
2015-12-021644-052-1310ND
2015-12-151644-052-1220ND
2015-12-151644-052-1230ND
2015-12-171644-052-1220ND
2015-12-171644-052-1230ND
2015-12-231644-052-1130ND
2015-12-231644-052-1140ND
2015-12-241644-052-1202ND
2015-12-241644-052-1212ND
2016-01-061644-052-12300.190 ppb
2016-01-061644-052-12310.140 ppb
2016-01-061644-052-14000.140 ppb
2016-01-061644-052-14010.160 ppb
2016-01-111644-052-13080.190 ppb
2016-01-111644-052-13090.190 ppb
2016-01-111644-052-14120.190 ppb
2016-01-111644-052-14130.160 ppb
2016-01-131644-052-0936ND
2016-01-191644-052-13190.190 ppb
2016-01-191644-052-13200.200 ppb
2016-01-191644-052-14300.160 ppb
2016-01-191644-052-14310.180 ppb
2016-01-201644-052-11030.150 ppb
2016-01-201644-052-11040.130 ppb
2016-01-201644-052-12110.180 ppb
2016-01-201644-052-12120.160 ppb
2016-01-271644-052-1202ND
2016-01-271644-052-1203ND
2016-01-271644-052-1308ND
2016-01-271644-052-1309ND
2016-02-021644-052-1412ND
2016-02-021644-052-1413ND
2016-02-021644-052-1514ND
2016-02-021644-052-1515ND
2016-02-031644-052-1138ND
2016-03-021644-052-1246ND
2016-04-051644-052-1418ND
2016-04-071644-052-1220ND
2016-04-071644-052-1221ND
2016-04-071644-052-1328ND
2016-04-071644-052-1329ND
2016-04-081644-052-1157ND
2016-04-081644-052-1158ND
2016-04-081644-052-1310ND
2016-04-081644-052-1311ND
2016-05-041644-052-0804ND
2016-06-021644-052-11511.10 ppb
2016-06-151644-052-0907ND
2016-06-211644-052-0841ND
2016-06-281644-052-0744ND
2016-07-061644-052-1419ND
2016-07-131644-052-0903ND
2016-07-201644-052-1105ND
2016-07-251644-052-1005ND
2016-08-031644-052-1452ND
2016-08-081644-052-1337ND
2016-08-251644-052-1348ND
2016-08-311644-052-1518ND
2016-09-061644-052-1140ND
2016-09-131644-052-1012ND
2016-09-201644-052-1150ND
2016-09-271644-052-1322ND
2016-10-041644-052-1339ND
2016-10-111644-052-1428ND
2016-10-181644-052-1014ND
2016-10-261644-052-1145ND
2016-11-011644-052-1445ND
2016-11-081644-052-1035ND
2016-11-151644-052-1347ND
2016-11-221644-052-1255ND
2016-11-281644-052-1331ND
2016-12-051644-052-1437ND
2016-12-141644-052-1144ND
2016-12-191644-052-1523ND
2016-12-281644-052-1338ND
2017-01-031644-052-1129ND
2017-01-121644-052-0941ND
2017-01-171644-052-0847ND
2017-01-251644-052-1241ND
2017-01-311644-052-1038ND
2017-02-101644-052-1643ND
2017-02-141644-052-1414ND
2017-02-221644-052-1511ND
2017-03-021644-052-1117ND
2017-03-091644-052-1317ND
2017-03-171644-052-1614ND
2017-03-231644-052-1208ND
2017-03-291644-052-1525ND
2017-04-061644-052-1144ND
2017-05-091644-052-1111ND
2017-05-171644-052-1607ND
2017-06-011644-052-1234ND
2017-07-121644-052-1506ND
2017-08-081644-052-1306ND
2017-09-051644-052-1114ND
2017-10-111644-052-1422ND
2017-11-021644-052-1358ND
2017-12-051644-052-1416ND
2019-12-305810-059-1137ND