Chromium (hexavalent)

Jurupa Community Services 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

124

Samples

Samples exceeding legal limit (MCL)

123

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	2.82 ppb	39	39	0.500 ppb - 5.10 ppb
2015	2.89 ppb	22	22	1.20 ppb - 5.20 ppb
2016	3.70 ppb	8	8	1.70 ppb - 5.70 ppb
2017	1.90 ppb	10	10	ND - 4.80 ppb
2018	1.80 ppb	23	23	ND - 5.10 ppb
2019	2.25 ppb	22	21	ND - 5.00 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
2014-03-20	B4C2024-09	0.530 ppb
2014-03-20	B4C2024-11	1.80 ppb
2014-03-20	B4C2024-05	2.70 ppb
2014-03-20	B4C2030-01	3.20 ppb
2014-03-20	B4C2024-07	1.10 ppb
2014-03-20	B4C2024-01	4.40 ppb
2014-03-20	B4C2024-03	4.50 ppb
2014-03-20	B4C2024-13	4.10 ppb
2014-05-06	B4E0520-01	1.20 ppb
2014-08-06	4790-023-1205	3.30 ppb
2014-08-06	4790-025-1120	3.40 ppb
2014-08-12	4790-032-1215	4.70 ppb
2014-08-12	4790-033-1305	4.60 ppb
2014-08-12	4790-040-1245	2.40 ppb
2014-08-13	4790-018-1220	2.10 ppb
2014-08-13	4790-020-1145	4.50 ppb
2014-08-13	4790-021-1125	3.60 ppb
2014-08-13	4790-022-1250	2.40 ppb
2014-08-13	4790-043-1050	5.00 ppb
2014-08-19	4790-016-0905	1.80 ppb
2014-08-19	4790-017-0935	2.70 ppb
2014-08-19	4790-019-0940	2.90 ppb
2014-08-19	4790-024-1130	4.00 ppb
2014-08-19	4790-026-1105	4.10 ppb
2014-08-19	4790-029-1000	1.20 ppb
2014-08-19	4790-031-1120	1.40 ppb
2014-08-19	4790-046-1200	2.40 ppb
2014-08-20	4790-003-1010	2.90 ppb
2014-08-20	4790-034-0845	3.20 ppb
2014-08-20	4790-055-0915	2.00 ppb
2014-09-09	B4I0893-11	0.500 ppb
2014-09-09	B4I0893-15	1.000 ppb
2014-09-09	B4I0893-17	2.60 ppb
2014-09-09	B4I0893-13	2.30 ppb
2014-09-09	B4I0893-03	5.10 ppb
2014-09-09	B4I0893-01	2.70 ppb
2014-09-09	B4I0893-09	1.40 ppb
2014-09-09	B4I0893-07	3.90 ppb
2014-09-09	B4I0893-05	2.20 ppb
2015-06-25	4790-056-1030	4.60 ppb
2015-08-13	4790-018-1035	2.20 ppb
2015-08-13	4790-022-1023	2.60 ppb
2015-08-13	4790-023-1115	3.40 ppb
2015-08-13	4790-025-1240	3.50 ppb
2015-08-13	4790-029-1205	1.80 ppb
2015-08-13	4790-033-1120	5.20 ppb
2015-08-13	4790-043-1105	4.50 ppb
2015-08-18	4790-024-1410	3.10 ppb
2015-08-18	4790-032-1110	4.50 ppb
2015-08-18	4790-040-1225	2.10 ppb
2015-08-19	4790-046-1045	1.90 ppb
2015-08-19	4790-058-1130	1.20 ppb
2015-08-26	4790-019-0900	2.40 ppb
2015-08-26	4790-034-1220	3.30 ppb
2015-08-26	4790-055-1205	2.10 ppb
2015-09-09	4790-016-1015	1.90 ppb
2015-09-09	4790-017-0950	1.60 ppb
2015-09-09	4790-021-1225	2.50 ppb
2015-10-01	4790-020-1130	5.00 ppb
2015-10-21	4790-003-1020	1.70 ppb
2015-10-22	4790-057-1220	2.40 ppb
2016-08-05	4790-029-1120	1.70 ppb
2016-08-05	4790-032-1315	5.70 ppb
2016-08-05	4790-040-1215	3.20 ppb
2016-08-05	4790-046-1245	2.40 ppb
2016-08-05	4790-056-0945	5.20 ppb
2016-08-05	4790-057-0915	3.00 ppb
2016-08-16	4790-056-0950	5.20 ppb
2016-08-16	4790-057-0900	3.20 ppb
2017-06-01		1.90 ppb*
2017-08-03	4790-029-1135	1.30 ppb
2017-08-03	4790-032-1040	4.10 ppb
2017-08-03	4790-040-1110	4.00 ppb
2017-08-03	4790-056-0930	5.40 ppb
2017-08-03	4790-058-1000	1.60 ppb
2017-08-08	4790-025-1025	3.50 ppb
2017-08-09	4790-046-0955	1.80 ppb
2017-08-17	4790-026-1200	3.30 ppb
2017-10-31	4790-057-0920	2.80 ppb
2018-06-01		1.80 ppb*
2018-07-11	4790-017-1035	2.20 ppb
2018-07-11	4790-022-1140	2.40 ppb
2018-07-12	4790-016-1050	2.00 ppb
2018-07-12	4790-018-0945	2.70 ppb
2018-07-17	4790-023-1030	3.60 ppb
2018-07-17	4790-033-0900	4.70 ppb
2018-07-19	4790-003-0835	3.30 ppb
2018-07-19	4790-026-1045	4.20 ppb
2018-08-01	4790-019-0825	3.00 ppb
2018-08-01	4790-020-0925	3.10 ppb
2018-08-01	4790-021-0815	3.70 ppb
2018-08-01	4790-043-0920	5.50 ppb
2018-08-02	4790-024-0940	4.60 ppb
2018-08-02	4790-034-0830	3.40 ppb
2018-08-07	4790-032-0900	4.40 ppb
2018-08-07	4790-040-1000	3.20 ppb
2018-08-22	4790-046-1000	2.40 ppb
2018-08-28	4790-025-0925	4.00 ppb
2018-08-29	4790-057-1000	3.50 ppb
2018-08-30	4790-056-0845	5.10 ppb
2018-09-05	4790-029-1120	3.00 ppb
2018-09-05	4790-046-1035	4.50 ppb
2019-06-01		2.25 ppb*
2019-07-10	4790-029-1115	ND
2019-07-11	4790-046-0900	2.00 ppb
2019-07-23	4790-029-1345	1.70 ppb
2019-07-23	4790-046-1200	2.00 ppb
2019-08-15	9588-018-1230	2.30 ppb
2019-08-15	9588-020-0905	3.80 ppb
2019-08-15	9588-023-1005	3.70 ppb
2019-08-15	9588-025-1155	3.90 ppb
2019-08-15	9588-033-1105	4.30 ppb
2019-08-20	9588-056-1130	5.00 ppb
2019-08-21	9588-003-0920	3.30 ppb
2019-08-21	9588-019-1000	3.40 ppb
2019-08-21	9588-043-1040	5.70 ppb
2019-08-22	9588-016-1020	2.10 ppb
2019-08-22	9588-017-1150	2.40 ppb
2019-08-22	9588-022-1235	2.30 ppb
2019-08-27	9588-057-1150	3.40 ppb
2019-08-28	9588-024-1045	5.10 ppb
2019-08-28	9588-032-1010	3.90 ppb
2019-08-28	9588-034-1220	1.70 ppb
2019-08-28	9588-040-1055	3.10 ppb

* Sample result is taken from the system's CCR report.