Manganese

City of Bakersfield

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

490

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2014	0.261 ppb	116	98	ND - 8.24 ppb
2015	0.791 ppb	66	38	ND - 24.0 ppb
2016	ND	84	0	ND
2017	ND	69	0	ND
2018	ND	51	0	ND
2019	0.158 ppb	54	6	ND - 5.10 ppb

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
2014-03-03	5810-117-1006	ND
2014-04-07	5810-113-1053	ND
2014-04-08	5810-100-1205	ND
2014-04-14	5810-103-1029	ND
2014-04-23	5810-103-1510	ND
2014-05-05	5701-037-1315	0.129 ppb
2014-05-05	5701-044-1300	0.0300 ppb
2014-05-05	5701-102-1345	0.0180 ppb
2014-05-05	5701-103-1400	0.256 ppb
2014-05-06	5810-011-0930	ND
2014-05-27	5701-037-1355	0.0450 ppb
2014-05-27	5701-044-1340	0.0140 ppb
2014-05-27	5701-102-1410	0.00800 ppb
2014-05-27	5701-103-1430	0.245 ppb
2014-06-02	5701-033-1000	0.00800 ppb
2014-06-02	5701-044-1345	0.0710 ppb
2014-06-02	5701-102-1410	0.0440 ppb
2014-06-02	5701-103-1420	0.210 ppb
2014-06-03	5810-009-0905	ND
2014-06-05	5701-115-1020	0.0430 ppb
2014-06-09	5701-044-1420	0.0170 ppb
2014-06-09	5701-102-1430	0.00500 ppb
2014-06-09	5701-103-1450	0.147 ppb
2014-06-16	5701-044-1400	ND
2014-06-16	5701-102-1420	0.0210 ppb
2014-06-16	5701-103-1445	0.181 ppb
2014-06-16	5810-113-0915	ND
2014-06-23	5701-044-1330	0.0340 ppb
2014-06-23	5701-102-1345	0.133 ppb
2014-06-23	5701-103-1400	0.0490 ppb
2014-06-23	5810-119-1030	ND
2014-06-30	5701-044-1250	0.287 ppb
2014-06-30	5701-102-1315	0.0750 ppb
2014-06-30	5701-103-1330	0.134 ppb
2014-07-02	5806-109-1420	ND
2014-07-07	5701-038-0852	0.197 ppb
2014-07-07	5701-044-1245	0.1000 ppb
2014-07-07	5701-102-1500	0.101 ppb
2014-07-07	5701-103-1315	0.299 ppb
2014-07-08	5701-034-0936	1.49 ppb
2014-07-08	5701-113-1355	0.613 ppb
2014-07-10	5806-034-1326	ND
2014-07-10	5806-108-1045	ND
2014-07-14	5701-044-1330	0.0170 ppb
2014-07-14	5701-102-1350	0.0380 ppb
2014-07-14	5701-103-1415	0.0730 ppb
2014-07-15	5701-109-0940	0.0350 ppb
2014-07-23	5701-044-1425	0.0450 ppb
2014-07-23	5701-102-1410	0.0340 ppb
2014-07-23	5701-103-1350	0.0400 ppb
2014-07-28	5701-037-1440	3.89 ppb
2014-07-28	5701-044-1220	0.0320 ppb
2014-07-28	5701-102-1300	0.0320 ppb
2014-07-28	5701-103-1320	0.167 ppb
2014-08-11	5701-037-1445	1.04 ppb
2014-08-11	5701-044-1420	0.0910 ppb
2014-08-11	5701-102-1310	0.0380 ppb
2014-08-11	5701-103-1325	0.187 ppb
2014-08-18	5701-037-1315	0.640 ppb
2014-08-18	5701-044-1300	0.0450 ppb
2014-08-18	5701-102-1325	0.0510 ppb
2014-08-18	5701-103-1350	0.109 ppb
2014-08-19	5701-003-1358	0.330 ppb
2014-08-19	5806-003-1400	ND
2014-08-19	5701-023-1030	0.127 ppb
2014-08-19	5806-023-1037	ND
2014-08-25	5701-034-1338	1.30 ppb
2014-08-25	5701-037-1230	0.625 ppb
2014-08-25	5701-044-1220	0.0910 ppb
2014-08-25	5701-102-1250	0.0900 ppb
2014-08-25	5701-103-1300	0.194 ppb
2014-09-02	5701-037-1320	0.500 ppb
2014-09-02	5701-044-1300	0.0450 ppb
2014-09-02	5701-102-1400	0.0570 ppb
2014-09-02	5701-103-1415	0.342 ppb
2014-09-04	5701-034-1326	1.000 ppb
2014-09-08	5701-037-1320	0.539 ppb
2014-09-08	5701-044-1300	0.0470 ppb
2014-09-08	5701-102-1400	0.0530 ppb
2014-09-08	5701-103-1410	0.115 ppb
2014-09-09	5701-033-1415	0.0120 ppb
2014-09-10	5701-033-1043	0.0110 ppb
2014-09-10	5806-033-1058	ND
2014-09-29	5701-037-1000	0.243 ppb
2014-09-29	5701-044-0945	0.0780 ppb
2014-09-29	5701-046-0925	0.106 ppb
2014-09-29	5701-102-1015	0.00900 ppb
2014-10-06	5701-037-1145	0.296 ppb
2014-10-06	5701-038-1230	0.220 ppb
2014-10-06	5701-044-1130	0.0360 ppb
2014-10-06	5701-046-1055	0.0730 ppb
2014-10-06	5701-102-1200	0.0110 ppb
2014-10-06	5701-109-1130	0.0140 ppb
2014-10-07	5701-113-1129	0.132 ppb
2014-10-13	5701-037-1315	0.252 ppb
2014-10-13	5701-044-1300	0.0430 ppb
2014-10-13	5701-102-1330	1.11 ppb
2014-10-20	5701-037-1415	0.270 ppb
2014-10-20	5701-044-1430	0.0440 ppb
2014-10-20	5701-102-1500	0.0500 ppb
2014-10-27	5701-003-1500	0.200 ppb
2014-10-27	5701-037-1000	8.24 ppb
2014-10-27	5701-044-1015	0.125 ppb
2014-10-27	5701-102-1010	0.106 ppb
2014-10-28	5810-104-1408	ND
2014-11-03	5701-037-1328	0.229 ppb
2014-11-03	5701-044-1430	0.135 ppb
2014-11-03	5701-102-1335	0.0180 ppb
2014-12-08	5701-033-0957	0.0320 ppb
2014-12-08	5701-037-1010	0.234 ppb
2014-12-08	5701-044-1000	0.170 ppb
2014-12-08	5701-102-1020	ND
2014-12-21	5701-037-1058	0.450 ppb
2014-12-21	5701-044-1050	0.0830 ppb
2014-12-21	5701-102-1106	0.0750 ppb
2014-12-29	5701-044-1150	0.0700 ppb
2015-01-12	5701-037-0930	0.167 ppb
2015-01-12	5701-044-0950	0.170 ppb
2015-01-12	5701-102-0940	0.281 ppb
2015-01-12	5701-113-1204	3.69 ppb
2015-01-14	5810-037-0825	ND
2015-01-20	5701-037-1215	0.244 ppb
2015-01-20	5701-044-1205	0.173 ppb
2015-01-20	5701-102-1230	0.0580 ppb
2015-01-26	5701-037-1050	0.102 ppb
2015-01-26	5701-044-1135	0.0640 ppb
2015-01-26	5701-102-1115	0.0530 ppb
2015-01-30	5701-038-0945	0.214 ppb
2015-02-02	5701-037-1110	0.0890 ppb
2015-02-02	5701-038-1037	0.189 ppb
2015-02-02	5701-044-1120	0.135 ppb
2015-02-03	5701-113-1235	1.24 ppb
2015-02-05	5806-017-1125	ND
2015-02-09	5701-102-1030	0.0250 ppb
2015-02-17	5701-102-0830	0.0230 ppb
2015-03-02	5701-037-1140	0.385 ppb
2015-03-02	5701-038-1425	0.188 ppb
2015-03-02	5701-044-1130	0.0910 ppb
2015-03-02	5701-102-1150	0.0230 ppb
2015-03-17	5806-010-1106	ND
2015-03-17	5806-019-1425	ND
2015-03-17	5806-043-1300	ND
2015-04-06	5701-037-1440	0.158 ppb
2015-04-06	5701-044-1415	0.0570 ppb
2015-04-06	5806-044-1420	ND
2015-04-06	5701-103-1450	0.712 ppb
2015-04-07	5701-038-1108	0.258 ppb
2015-04-22	5806-102-1335	ND
2015-05-04	5701-113-1222	2.55 ppb
2015-05-29	5701-126-1451	0.559 ppb
2015-06-02	5701-033-1030	0.0400 ppb
2015-06-09	5701-115-1200	0.506 ppb
2015-06-15	5701-109-1120	0.0650 ppb
2015-06-25	5806-013-0900	ND
2015-06-30	5701-043-1030	0.270 ppb
2015-07-01	5806-126-1441	ND
2015-07-01	5806-127-1113	ND
2015-07-07	5701-043-0830	0.155 ppb
2015-07-16	5701-043-0915	0.295 ppb
2015-07-16	5806-050-0832	ND
2015-07-22	5806-118-0925	ND
2015-07-26	5701-043-1440	0.0540 ppb
2015-08-05	5701-113-1350	1.61 ppb
2015-08-06	5701-043-0900	0.275 ppb
2015-08-26	5806-016-1510	ND
2015-09-02	5701-043-1020	ND
2015-09-06	5701-037-0830	ND
2015-09-06	5701-044-0950	ND
2015-09-06	5701-102-0915	ND
2015-09-06	5701-103-0930	ND
2015-09-08	5701-115-1130	ND
2015-09-16	5806-014-0955	ND
2015-10-14	5701-109-0850	ND
2015-11-02	5701-113-1105	ND
2015-11-30	5701-043-0900	ND
2015-12-07	5806-041-1330	13.0 ppb
2015-12-07	5806-045-1240	ND
2015-12-07	5806-049-1146	ND
2015-12-14	5806-012-1315	24.0 ppb
2015-12-21	5806-020-0918	ND
2015-12-22	5806-038-1205	ND
2015-12-29	5701-104-1430	ND
2016-01-12	5701-109-1110	ND
2016-01-31	5701-037-1037	ND
2016-01-31	5701-044-0812	ND
2016-01-31	5701-102-1043	ND
2016-01-31	5701-103-1049	ND
2016-02-01	5701-104-1330	ND
2016-02-01	5701-113-1205	ND
2016-02-24	5806-039-1110	ND
2016-03-06	5701-037-1012	ND
2016-03-06	5701-044-0825	ND
2016-03-06	5701-102-0805	ND
2016-03-07	5806-025-0950	ND
2016-03-07	5806-027-1220	ND
2016-03-14	5701-043-1318	ND
2016-03-17	5806-012-1541	ND
2016-03-17	5701-020-1131	ND
2016-03-17	5806-020-1131	ND
2016-03-24	5806-018-0903	ND
2016-03-28	5806-041-1128	ND
2016-04-01	5806-104-1125	ND
2016-04-04	5806-139-1226	ND
2016-04-21	5701-139-1441	ND
2016-04-26	5701-139-1012	ND
2016-05-02	5701-113-0959	ND
2016-05-08	5701-037-0719	ND
2016-05-08	5701-044-0709	ND
2016-05-08	5701-102-0731	ND
2016-05-08	5701-103-1005	ND
2016-05-15	5701-037-0921	ND
2016-05-15	5701-044-0912	ND
2016-05-15	5701-102-0927	ND
2016-05-15	5701-103-0933	ND
2016-05-16	5701-126-1410	ND
2016-05-22	5701-037-0902	ND
2016-05-22	5701-044-0855	ND
2016-05-22	5701-102-0906	ND
2016-05-22	5701-103-0920	ND
2016-05-23	5701-012-1549	ND
2016-05-24	5701-041-1016	ND
2016-05-24	5701-041-1017	ND
2016-06-03	5701-139-1300	ND
2016-06-05	5701-037-0945	ND
2016-06-05	5701-044-0925	ND
2016-06-05	5701-102-1015	ND
2016-06-05	5701-103-1030	ND
2016-06-06	5701-043-1100	ND
2016-06-14	5806-021-1120	ND
2016-06-21	5701-020-1441	ND
2016-06-27	5701-004-1224	ND
2016-06-27	5806-004-1234	ND
2016-07-03	5701-037-1030	ND
2016-07-03	5701-044-1125	ND
2016-07-03	5701-102-1045	ND
2016-07-03	5701-103-1105	ND
2016-07-21	5701-139-0921	ND
2016-08-02	5701-113-1434	ND
2016-08-14	5701-037-1045	ND
2016-08-14	5701-044-1140	ND
2016-08-14	5701-102-1055	ND
2016-08-14	5701-103-1130	ND
2016-08-15	5806-008-1102	ND
2016-08-16	5806-042-0900	ND
2016-08-29	5806-022-1115	ND
2016-09-01	5701-043-1010	ND
2016-09-26	5701-012-1236	ND
2016-09-26	5701-041-1545	ND
2016-09-27	5806-030-1400	ND
2016-09-28	5806-007-1010	ND
2016-09-28	5806-031-0920	ND
2016-09-29	5701-020-1345	ND
2016-09-29	5701-020-1347	ND
2016-10-09	5701-037-0950	ND
2016-10-09	5701-044-0930	ND
2016-10-09	5701-102-0940	ND
2016-10-09	5701-103-0945	ND
2016-10-27	5806-047-1232	ND
2016-10-31	5806-046-1209	ND
2016-11-01	5806-035-1147	ND
2016-11-14	5701-113-1100	ND
2016-12-06	5701-020-1322	ND
2016-12-06	5701-020-1323	ND
2016-12-06	5701-041-1519	ND
2016-12-07	5701-043-1030	ND
2016-12-09	5701-012-1512	ND
2017-01-04	5701-037-0940	ND
2017-01-04	5701-044-1030	ND
2017-01-04	5701-102-1000	ND
2017-01-04	5701-103-1020	ND
2017-01-09	5701-109-1315	ND
2017-01-18	5701-037-1130	ND
2017-01-18	5701-044-1120	ND
2017-01-18	5701-102-1140	ND
2017-01-18	5701-103-1150	ND
2017-01-25	5701-037-1031	ND
2017-01-25	5701-044-1018	ND
2017-01-25	5701-102-1041	ND
2017-01-25	5701-103-1055	ND
2017-02-02	5701-139-1127	ND
2017-02-08	5701-037-1030	ND
2017-02-08	5701-044-1015	ND
2017-02-08	5701-102-1100	ND
2017-02-08	5701-103-1110	ND
2017-02-09	5701-113-1400	ND
2017-02-15	5701-037-0945	ND
2017-02-15	5701-044-0935	ND
2017-02-15	5701-102-0955	ND
2017-02-15	5701-103-1010	ND
2017-02-15	5701-126-1505	ND
2017-03-02	5701-043-1000	ND
2017-03-17	5806-117-0955	ND
2017-04-10	5806-100-1005	ND
2017-04-12	5806-103-1105	ND
2017-04-13	5806-119-1435	ND
2017-05-09	5806-011-1120	ND
2017-05-18	5701-144-1547	ND
2017-05-18	5701-144-1634	ND
2017-06-08	5701-043-1030	ND
2017-06-09	5806-009-0840	ND
2017-06-19	5701-037-0944	ND
2017-06-19	5701-044-0934	ND
2017-06-19	5701-102-1021	ND
2017-06-19	5701-103-0959	ND
2017-06-22	5701-139-0944	ND
2017-06-26	5701-037-1015	ND
2017-06-26	5701-044-1025	ND
2017-06-26	5701-102-1040	ND
2017-06-26	5701-103-1050	ND
2017-06-26	5701-139-0906	ND
2017-07-06	5806-034-1145	ND
2017-07-06	5806-038-1145	ND
2017-07-06	5806-108-1055	ND
2017-07-10	5806-109-1120	ND
2017-07-17	5701-037-0940	ND
2017-07-17	5701-044-0950	ND
2017-07-17	5701-074-1410	ND
2017-07-17	5701-102-1005	ND
2017-07-17	5701-103-1015	ND
2017-07-18	5701-139-0855	ND
2017-08-10	5806-023-1330	ND
2017-08-14	5701-113-0850	ND
2017-08-15	5701-126-0900	ND
2017-08-30	5806-003-1030	ND
2017-09-14	5810-043-1245	ND
2017-09-19	5701-033-0936	ND
2017-10-11	5806-104-1433	ND
2017-10-18	5701-037-1035	ND
2017-10-18	5701-044-0950	ND
2017-10-18	5701-074-1120	ND
2017-10-18	5701-102-1046	ND
2017-10-18	5701-103-1055	ND
2017-12-05	5806-033-1250	ND
2017-12-07	5701-043-1355	ND
2017-12-14	5701-143-0924	ND
2018-01-23	5806-037-1217	ND
2018-01-29	5806-145-1340	ND
2018-02-05	5701-037-1020	ND
2018-02-05	5701-044-1040	ND
2018-02-05	5701-074-1125	ND
2018-02-05	5701-102-1005	ND
2018-02-05	5701-103-0950	ND
2018-02-05	5701-145-0930	ND
2018-02-06	5701-033-0915	ND
2018-02-13	5701-033-1115	ND
2018-02-14	5701-102-1110	ND
2018-03-08	5810-043-1040	ND
2018-03-12	5806-104-1435	ND
2018-03-13	5701-033-1025	ND
2018-03-14	5806-043-1140	ND
2018-03-14	5806-044-1050	ND
2018-03-14	5806-102-0935	ND
2018-04-09	5701-037-1043	ND
2018-04-09	5701-044-0940	ND
2018-04-09	5701-074-1102	ND
2018-04-09	5701-102-1006	ND
2018-04-09	5701-103-1022	ND
2018-04-09	5701-145-1031	ND
2018-04-10	5701-033-1115	ND
2018-05-08	5806-010-0820	ND
2018-05-16	5806-019-0945	ND
2018-05-29	5806-041-1000	ND
2018-06-06	5701-043-1400	ND
2018-06-12	5806-118-1053	ND
2018-06-25	5701-038-1030	ND
2018-06-25	5701-102-1355	ND
2018-06-25	5701-103-1411	ND
2018-06-27	5806-127-1222	ND
2018-06-28	5806-017-1000	ND
2018-07-24	5806-018-0825	ND
2018-07-24	5701-143-1017	ND
2018-08-13	5701-013-1000	ND
2018-08-15	5701-038-0936	ND
2018-08-15	5701-144-0938	ND
2018-08-16	5806-012-0825	ND
2018-08-21	5806-016-0930	ND
2018-09-11	5806-013-1105	ND
2018-09-11	5701-013-1110	ND
2018-09-11	5701-043-1345	ND
2018-09-13	5806-014-1040	ND
2018-10-30	5806-014-1100	ND
2018-12-04	5810-043-1345	ND
2018-12-12	5806-049-0942	ND
2018-12-19	5806-020-1047	ND
2018-12-20	5810-020-0845	ND
2018-12-20	5806-050-1138	ND
2019-02-12	5806-039-0930	ND
2019-03-07	5701-115-1123	ND
2019-03-18	5810-043-1047	ND
2019-03-19	5806-027-1119	ND
2019-03-25	5806-025-0925	ND
2019-04-02	5701-139-1030	ND
2019-04-25	5701-038-1059	ND
2019-04-25	5701-144-1105	ND
2019-06-05	5810-043-1050	ND
2019-06-13	5806-008-1130	ND
2019-06-13	5806-021-0822	ND
2019-06-18	5806-020-0900	ND
2019-07-18	5806-046-1121	ND
2019-08-09	A9G0873-04	ND
2019-08-14	A9G0881-04	ND
2019-08-14	A9G1002-04	1.30 ppb
2019-08-15	A9G1066-04	ND
2019-08-15	A9G1067-04	ND
2019-08-16	A9G0998-04	5.10 ppb
2019-08-19	5806-042-1205	ND
2019-08-21	A9G0875-04	0.540 ppb
2019-09-04	A9H1838-04	ND
2019-09-04	A9H1840-01	ND
2019-09-04	A9H1839-04	ND
2019-09-06	A9H2243-01	ND
2019-09-06	A9H2241-01	ND
2019-09-06	A9H2242-01	ND
2019-09-10	5806-007-1131	ND
2019-09-10	5806-030-1020	ND
2019-09-11	5806-035-0820	ND
2019-09-12	5806-031-0925	ND
2019-09-17	5810-043-1512	ND
2019-09-25	5806-022-1230	ND
2019-09-25	5806-115-1250	ND
2019-10-02	A9I0859-01	ND
2019-10-02	A9I0876-04	ND
2019-10-02	A9I0875-01	ND
2019-10-02	A9I0905-04	ND
2019-10-08	A9I0934-01	ND
2019-10-09	A9I0902-04	ND
2019-11-04	A9J1991-01	ND
2019-11-04	A9J1990-01	0.540 ppb
2019-11-14	A9J2000-04	ND
2019-11-19	5806-045-0909	ND
2019-11-19	5806-126-1345	ND
2019-11-20	A9K0510-04	ND
2019-11-21	A9J1825-01	ND
2019-12-04	A9K0508-04	ND
2019-12-06	A9K0484-01	0.490 ppb
2019-12-10	A9K0488-04	0.580 ppb
2019-12-11	A9K0481-04	ND
2019-12-12	A9K0509-04	ND
2019-12-17	5810-043-1230	ND
2019-12-19	5806-047-1507	ND
2020-01-02	A9L0915-04	ND
2020-01-14	A9L0914-04	ND
2020-01-14	A9L0924-04	ND
2020-01-14	A9L0922-01	ND
2020-01-21	A9L0913-04	ND
2020-02-11	ADA1067-04	ND
2020-02-11	ADA1174-04	3.00 ppb
2020-02-11	ADA1175-04	ND
2020-02-11	ADA1206-04	1.50 ppb
2020-02-12	ADA1061-04	4.60 ppb
2020-02-13	ADA1048-04	1.20 ppb
2020-02-18	ADA1043-01	ND
2020-03-06	ADB0678-01	ND
2020-03-06	ADB0679-01	ND
2020-03-06	ADB0789-01	ND
2020-03-06	ADB0838-04	ND
2020-03-12	ADB0835-01	ND
2020-03-13	ADB0790-01	ND
2020-03-16	ADB0677-04	ND
2020-03-16	ADB0837-01	ND
2020-04-01	ADC1158-04	1.40 ppb
2020-04-01	ADC0824-01	ND
2020-04-03	ADC0822-01	ND
2020-04-04	ADC0874-04	ND
2020-04-05	ADC0873-01	ND
2020-04-09	ADC0872-04	ND
2020-04-10	ADD0628-01	2.90 ppb
2020-04-26	ADD2010-01	34.0 ppb
2020-05-05	ADD2011-04	ND
2020-05-07	ADD1359-01	ND
2020-05-11	ADD1362-01	ND
2020-05-12	ADD1810-01	0.600 ppb
2020-05-12	ADD1809-04	ND
2020-05-20	ADC0815-04	ND
2020-05-29	ADD1807-04	ND
2020-06-09	ADE1101-04	ND
2020-06-10	ADE1090-01	0.760 ppb
2020-06-10	ADE1089-04	ND
2020-06-12	ADE1100-01	ND
2020-06-17	ADE1121-04	ND
2020-06-18	ADE1118-04	ND
2020-07-07	ADF0608-04	ND
2020-07-07	ADF0609-04	ND
2020-07-14	ADF0835-04	ND
2020-07-20	ADF0611-04	ND
2020-07-20	ADF0834-01	ND
2020-09-15	ADH0903-04	ND
2020-09-29	ADI1089-04	0.590 ppb
2020-10-14	ADI2600-01	0.710 ppb
2020-11-29	ADK2186-02	ND