Manganese

Coachella Valley Water District: Cove Community

Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.

MORE ABOUT THIS CONTAMINANT

211

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Range of results
2014	ND	29	ND
2015	ND	33	ND
2016	ND	24	ND
2017	ND	29	ND
2018	ND	29	ND
2019	ND	25	ND

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 100 ppb

The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date	Lab ID	Result
2014-05-05	4790-279-1225	ND
2014-06-18	4790-022-0855	ND
2014-06-18	4790-118-0756	ND
2014-06-18	4790-154-0843	ND
2014-06-18	4790-164-0743	ND
2014-06-18	4790-169-0946	ND
2014-06-18	4790-201-1108	ND
2014-06-18	4790-220-0900	ND
2014-06-18	4790-249-0826	ND
2014-07-01	4790-011-0759	ND
2014-07-01	4790-170-0853	ND
2014-07-01	4790-179-1045	ND
2014-07-01	4790-202-1002	ND
2014-07-01	4790-206-0844	ND
2014-07-01	4790-219-1216	ND
2014-07-01	4790-221-1112	ND
2014-07-01	4790-257-0753	ND
2014-07-08	4790-020-0811	ND
2014-07-08	4790-084-0900	ND
2014-07-08	4790-167-0954	ND
2014-07-08	4790-168-0934	ND
2014-07-08	4790-176-0826	ND
2014-07-08	4790-199-0745	ND
2014-07-29	4790-088-1027	ND
2014-07-29	4790-117-0936	ND
2014-07-29	4790-223-0854	ND
2014-09-09	4790-271-1106	ND
2014-09-11	4790-261-1036	ND
2014-11-20	4790-273-0945	ND
2015-06-23	4790-105-1005	ND
2015-06-23	4790-131-0805	ND
2015-06-23	4790-143-0830	ND
2015-06-23	4790-174-0730	ND
2015-06-23	4790-203-0930	ND
2015-06-23	4790-222-0845	ND
2015-06-25	4790-130-0832	ND
2015-06-25	4790-146-0735	ND
2015-06-25	4790-173-1000	ND
2015-06-25	4790-175-0752	ND
2015-06-25	4790-198-0825	ND
2015-06-25	4790-200-0922	ND
2015-06-25	4790-205-0923	ND
2015-07-08	4790-106-0955	ND
2015-07-08	4790-135-0915	ND
2015-07-08	4790-172-1052	ND
2015-07-08	4790-177-0915	ND
2015-07-08	4790-178-0825	ND
2015-07-08	4790-209-1014	ND
2015-07-16	4790-073-0813	ND
2015-07-16	4790-079-0905	ND
2015-07-16	4790-207-0841	ND
2015-07-16	4790-210-0952	ND
2015-07-16	4790-214-0753	ND
2015-07-21	4790-109-0840	ND
2015-07-21	4790-145-0920	ND
2015-07-21	4790-158-1000	ND
2015-07-21	4790-182-1101	ND
2015-07-21	4790-215-0928	ND
2015-07-28	4790-134-0945	ND
2015-07-28	4790-159-1046	ND
2015-09-30	4790-194-1030	ND
2015-09-30	4790-204-0945	ND
2016-07-12	9590-031-0848	ND
2016-07-12	9590-032-0922	ND
2016-07-12	9590-080-0954	ND
2016-07-12	9590-129-0941	ND
2016-07-12	9590-166-0905	ND
2016-07-12	9590-196-0805	ND
2016-07-12	9590-212-1309	ND
2016-07-12	9590-216-0755	ND
2016-07-19	9590-023-0900	ND
2016-07-19	9590-029-1009	ND
2016-07-19	9590-041-1033	ND
2016-07-19	9590-128-0914	ND
2016-07-19	9590-132-1113	ND
2016-07-19	9590-160-1030	ND
2016-07-19	9590-218-1112	ND
2016-08-09	9590-024-0900	ND
2016-08-09	9590-042-0915	ND
2016-08-09	9590-136-1020	ND
2016-08-09	9590-155-0920	ND
2016-08-09	9590-217-0840	ND
2016-08-11	9590-025-0907	ND
2016-08-11	9590-030-0952	ND
2016-08-11	9590-125-0950	ND
2016-08-11	9590-165-0845	ND
2017-01-23	9590-224-1045	ND
2017-06-13	9590-011-0941	ND
2017-06-13	9590-117-1020	ND
2017-06-13	9590-130-0920	ND
2017-06-13	9590-154-0820	ND
2017-06-13	9590-164-0900	ND
2017-06-13	9590-223-1154	ND
2017-06-14	9590-118-0921	ND
2017-06-14	9590-179-0840	ND
2017-06-14	9590-201-0950	ND
2017-06-14	9590-206-1045	ND
2017-06-14	9590-219-1116	ND
2017-06-14	9590-279-1021	ND
2017-07-12	9590-022-0830	ND
2017-07-12	9590-166-1104	ND
2017-07-12	9590-169-1020	ND
2017-07-12	9590-176-0922	ND
2017-08-09	9590-167-1008	ND
2017-08-09	9590-168-1048	ND
2017-08-09	9590-170-0819	ND
2017-08-09	9590-199-1200	ND
2017-08-09	9590-202-0910	ND
2017-08-09	9590-261-0840	ND
2017-08-09	9590-271-0945	ND
2017-08-16	9590-020-1215	ND
2017-08-16	9590-220-0917	ND
2017-08-16	9590-249-0820	ND
2017-08-16	9590-273-1300	ND
2017-08-30	9590-257-0930	ND
2018-03-14	9590-198-1010	ND
2018-04-25	9590-221-0815	ND
2018-06-12	9590-073-0855	ND
2018-06-12	9590-145-0935	ND
2018-06-12	9590-146-0852	ND
2018-06-12	9590-172-1108	ND
2018-06-12	9590-182-1017	ND
2018-06-12	9590-194-1131	ND
2018-06-12	9590-200-1010	ND
2018-06-12	9590-207-0937	ND
2018-06-12	9590-210-0825	ND
2018-06-12	9590-215-0812	ND
2018-06-13	9590-106-0915	ND
2018-06-13	9590-109-0755	ND
2018-06-13	9590-158-1035	ND
2018-06-13	9590-173-0835	ND
2018-06-13	9590-177-1010	ND
2018-06-13	9590-203-0933	ND
2018-06-13	9590-204-1137	ND
2018-06-13	9590-216-1031	ND
2018-06-13	9590-222-0831	ND
2018-06-26	9590-131-1022	ND
2018-06-26	9590-134-1100	ND
2018-06-26	9590-174-0816	ND
2018-06-26	9590-175-0957	ND
2018-06-26	9590-205-0915	ND
2018-06-27	9590-209-1031	ND
2018-06-27	9590-214-0947	ND
2018-12-20	9590-281-1240	ND
2019-04-30	9590-079-1150	ND
2019-05-14	9590-025-0925	ND
2019-05-14	9590-042-0755	ND
2019-05-14	9590-125-1030	ND
2019-05-14	9590-128-0810	ND
2019-05-14	9590-155-0952	ND
2019-05-14	9590-159-0850	ND
2019-05-14	9590-196-1110	ND
2019-05-14	9590-212-0930	ND
2019-05-14	9590-217-0720	ND
2019-05-15	9590-023-1015	ND
2019-05-15	9590-030-0905	ND
2019-05-15	9590-031-0835	ND
2019-05-15	9590-041-0715	ND
2019-05-15	9590-132-1115	ND
2019-05-15	9590-136-1030	ND
2019-05-15	9590-218-1215	ND
2019-05-22	9590-024-1102	ND
2019-05-22	9590-032-0907	ND
2019-05-22	9590-129-1035	ND
2019-05-22	9590-165-0951	ND
2019-05-22	9590-224-0832	ND
2019-05-22	9590-282-0935	ND
2019-12-18	9590-029-1100	ND
2019-12-18	9590-105-1140	ND
2020-02-04	202002041134	ND
2020-02-04	202002041144	ND
2020-02-04	202002041091	ND
2020-02-04	202002041216	1.10 ppb
2020-02-04	202002041198	ND
2020-02-04	202002041250	ND
2020-02-05	202002050785	ND
2020-02-05	202002050749	ND
2020-02-05	202002050708	ND
2020-02-05	202002050717	ND
2020-02-05	202002050745	ND
2020-02-05	202002050774	ND
2020-02-05	202002050759	ND
2020-02-06	202002060414	1.60 ppb
2020-02-06	202002060419	ND
2020-02-06	202002060399	ND
2020-02-06	202002060408	ND
2020-02-06	202002060431	ND
2020-02-06	202002060392	ND
2020-02-12	202002120528	ND
2020-02-18	202002180713	ND
2020-08-04	202008040567	ND
2020-08-04	202008040565	ND
2020-08-04	202008040558	ND
2020-08-04	202008040569	ND
2020-08-04	202008040560	ND
2020-08-04	202008040571	ND
2020-08-04	202008040563	ND
2020-08-04	202008040553	0.510 ppb
2020-08-04	202008040555	ND
2020-08-04	202008040551	ND
2020-08-05	202008051200	0.500 ppb
2020-08-05	202008051206	ND
2020-08-05	202008051185	ND
2020-08-05	202008051180	ND
2020-08-05	202008051188	ND
2020-08-05	202008051198	ND
2020-08-05	202008051183	ND
2020-08-05	202008051215	ND
2020-08-06	202008060413	ND
2020-08-06	202008060415	ND
2020-08-06	202008060408	ND