Manganese

City of La Habra

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

235

Samples

Samples exceeding legal limit (MCL)

Samples exceeding
health guidelines

Testing results - average by year

Year	Average result	Samples taken	Detections	Range of results
2013	N/A	0	0	N/A
2014	12.1 ppb	36	16	ND - 32.0 ppb
2015	13.0 ppb	38	16	ND - 35.0 ppb
2016	17.3 ppb	40	23	ND - 44.0 ppb
2017	16.6 ppb	39	20	ND - 45.0 ppb
2018	20.2 ppb	35	17	ND - 81.0 ppb
2019	13.2 ppb	47	21	ND - 51.0 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
2014-01-16	3761-028-1250	25.0 ppb
2014-01-16	3761-029-1259	ND
2014-01-16	3761-030-1304	ND
2014-02-20	3761-028-1321	27.0 ppb
2014-02-20	3761-029-1336	ND
2014-02-20	3761-030-1341	ND
2014-03-20	3761-028-1329	27.0 ppb
2014-03-20	3761-029-1339	ND
2014-03-20	3761-030-1346	ND
2014-04-14	3761-028-1415	28.0 ppb
2014-04-14	3761-029-1434	ND
2014-04-14	3761-030-1441	ND
2014-05-19	3761-028-1401	28.0 ppb
2014-05-19	3761-029-1413	ND
2014-05-19	3761-030-1420	ND
2014-06-16	3761-028-1359	27.0 ppb
2014-06-16	3761-029-1408	ND
2014-06-16	3761-030-1414	ND
2014-07-21	3761-028-1431	27.0 ppb
2014-07-21	3761-029-1441	ND
2014-07-21	3761-030-1446	ND
2014-08-21	3761-028-1136	28.0 ppb
2014-08-21	3761-029-1152	ND
2014-08-21	3761-030-1157	ND
2014-09-04	3761-004-1124	22.0 ppb
2014-09-04	3761-028-1151	29.0 ppb
2014-09-04	3761-031-1055	32.0 ppb
2014-09-17	3761-028-1007	30.0 ppb
2014-09-17	3761-029-1028	ND
2014-09-17	3761-030-1022	ND
2014-11-20	3761-028-1258	29.0 ppb
2014-11-20	3761-029-1234	ND
2014-11-20	3761-030-1242	21.0 ppb
2014-12-04	3761-028-1328	29.0 ppb
2014-12-04	3761-029-1339	ND
2014-12-04	3761-030-1353	27.0 ppb
2015-01-22	3761-028-1143	33.0 ppb
2015-01-22	3761-029-1158	ND
2015-01-22	3761-030-1203	ND
2015-02-18	3761-028-1026	28.0 ppb
2015-02-18	3761-029-1041	ND
2015-02-18	3761-030-1045	ND
2015-03-16	3761-028-1458	32.0 ppb
2015-03-16	3761-029-1502	ND
2015-03-16	3761-030-1505	ND
2015-04-20	3761-028-1453	28.0 ppb
2015-04-20	3761-029-1505	ND
2015-04-20	3761-030-1510	ND
2015-05-21	3761-028-1125	28.0 ppb
2015-05-21	3761-029-1115	ND
2015-05-21	3761-030-1139	ND
2015-06-22	3761-028-1415	29.0 ppb
2015-06-22	3761-029-1425	ND
2015-06-22	3761-030-1430	ND
2015-07-23	3761-028-1500	35.0 ppb
2015-07-23	3761-029-1446	ND
2015-07-23	3761-030-1448	ND
2015-07-27	3761-028-1240	30.0 ppb
2015-07-27	3761-031-1230	31.0 ppb
2015-08-20	3761-028-1328	29.0 ppb
2015-08-20	3761-029-1335	ND
2015-08-20	3761-030-1338	ND
2015-09-21	3761-004-1400	ND
2015-09-21	3761-028-1515	35.0 ppb
2015-09-21	3761-031-1450	33.0 ppb
2015-09-23	3761-028-1205	30.0 ppb
2015-09-23	3761-029-1215	ND
2015-09-23	3761-030-1230	ND
2015-10-20	3761-028-1010	30.0 ppb
2015-10-20	3761-029-1021	ND
2015-10-20	3761-030-1030	ND
2015-11-23	3761-028-0235	30.0 ppb
2015-11-23	3761-029-0248	ND
2015-11-23	3761-030-0255	32.0 ppb
2016-01-22	3761-028-1045	37.0 ppb
2016-01-22	3761-029-1055	ND
2016-01-22	3761-030-1105	25.0 ppb
2016-02-22	3761-004-1425	37.0 ppb
2016-02-22	3761-028-1152	36.0 ppb
2016-02-22	3761-029-1135	ND
2016-02-22	3761-030-1143	ND
2016-03-21	3761-028-1112	28.0 ppb
2016-03-21	3761-029-1117	ND
2016-03-21	3761-030-1123	ND
2016-04-18	3761-028-1150	28.0 ppb
2016-04-18	3761-029-1205	ND
2016-04-18	3761-030-1215	ND
2016-05-16	3761-028-1110	33.0 ppb
2016-05-16	3761-029-1120	ND
2016-05-16	3761-030-1125	21.0 ppb
2016-06-20	3761-028-1230	31.0 ppb
2016-06-20	3761-029-1237	ND
2016-06-20	3761-030-1245	26.0 ppb
2016-07-18	3761-028-1240	29.0 ppb
2016-07-18	3761-029-1250	ND
2016-07-18	3761-030-1300	ND
2016-08-15	3761-028-1230	33.0 ppb
2016-08-15	3761-029-1235	ND
2016-08-15	3761-030-1240	23.0 ppb
2016-09-16	3761-028-1125	33.0 ppb
2016-09-16	3761-031-1100	36.0 ppb
2016-09-19	3761-028-1056	30.0 ppb
2016-09-19	3761-029-1105	ND
2016-09-19	3761-030-1109	ND
2016-10-04	3761-004-1530	21.0 ppb
2016-10-19	3761-028-1410	34.0 ppb
2016-10-19	3761-029-1418	ND
2016-10-19	3761-030-1423	23.0 ppb
2016-11-21	3761-028-1206	44.0 ppb
2016-11-21	3761-029-1211	ND
2016-11-21	3761-030-1216	23.0 ppb
2016-12-20	3761-028-1438	40.0 ppb
2016-12-20	3761-029-1446	ND
2016-12-20	3761-030-1453	21.0 ppb
2017-01-16	3761-029-1140	ND
2017-01-16	3761-030-1145	ND
2017-01-23	3761-028-0000	40.0 ppb
2017-02-21	3761-028-1310	45.0 ppb
2017-02-21	3761-029-1317	ND
2017-02-21	3761-030-1321	32.0 ppb
2017-03-20	3761-028-1057	37.0 ppb
2017-03-20	3761-029-1106	ND
2017-03-20	3761-030-1113	20.0 ppb
2017-04-17	3761-028-1106	42.0 ppb
2017-04-17	3761-029-1116	ND
2017-04-17	3761-030-1121	ND
2017-05-15	3761-028-1058	35.0 ppb
2017-05-15	3761-029-1105	ND
2017-05-15	3761-030-1108	ND
2017-06-19	3761-028-1133	35.0 ppb
2017-06-19	3761-029-1140	ND
2017-06-19	3761-030-1145	21.0 ppb
2017-07-17	3761-028-1137	30.0 ppb
2017-07-17	3761-029-1144	ND
2017-07-17	3761-030-1150	ND
2017-08-21	3761-028-1046	23.0 ppb
2017-08-21	3761-029-1051	ND
2017-08-21	3761-030-1056	ND
2017-09-18	3761-028-1043	33.0 ppb
2017-09-18	3761-029-1051	ND
2017-09-18	3761-030-1057	ND
2017-09-25	3761-028-1145	36.0 ppb
2017-09-27	3761-031-1435	35.0 ppb
2017-10-16	3761-028-1043	32.0 ppb
2017-10-16	3761-029-1051	ND
2017-10-16	3761-030-1056	ND
2017-11-17	3761-004-1152	20.0 ppb
2017-11-20	3761-028-1136	39.0 ppb
2017-11-20	3761-029-1150	ND
2017-11-20	3761-030-1157	25.0 ppb
2017-12-18	3761-028-1153	36.0 ppb
2017-12-18	3761-029-1157	ND
2017-12-18	3761-030-1203	30.0 ppb
2018-01-16	3761-028-1425	38.0 ppb
2018-01-16	3761-029-1402	ND
2018-01-16	3761-030-1407	ND
2018-02-05	3761-028-1248	36.0 ppb
2018-02-05	3761-029-1253	ND
2018-02-05	3761-030-1258	81.0 ppb
2018-03-19	3761-004-1338	41.0 ppb
2018-03-19	3761-028-1038	44.0 ppb
2018-03-19	3761-029-1049	ND
2018-03-19	3761-030-1053	62.0 ppb
2018-04-16	3761-004-1325	21.0 ppb
2018-04-16	3761-028-1044	34.0 ppb
2018-04-16	3761-029-1051	ND
2018-04-16	3761-030-1056	ND
2018-05-30	3761-028-0958	38.0 ppb
2018-05-30	3761-029-1012	ND
2018-05-30	3761-030-1016	ND
2018-06-18	3761-029-1148	ND
2018-06-18	3761-030-1143	41.0 ppb
2018-07-16	3761-028-1133	38.0 ppb
2018-07-16	3761-029-1141	ND
2018-07-16	3761-030-1146	ND
2018-09-14	3761-004-1140	ND
2018-09-14	3761-028-1111	35.0 ppb
2018-09-14	3761-031-1042	36.0 ppb
2018-09-17	3761-028-1337	32.0 ppb
2018-09-17	3761-029-1345	ND
2018-09-17	3761-030-1349	ND
2018-11-19	3761-028-1121	35.0 ppb
2018-11-19	3761-029-1131	ND
2018-11-19	3761-030-1137	ND
2018-12-19	3761-004-1025	ND
2018-12-19	3761-028-0949	37.0 ppb
2018-12-19	3761-029-1001	ND
2018-12-19	3761-030-1005	57.0 ppb
2019-01-15	3761-004-1105	30.0 ppb
2019-01-15	3761-028-1130	36.0 ppb
2019-01-15	3761-029-1143	ND
2019-01-15	3761-030-1138	30.0 ppb
2019-02-25	3761-004-1156	20.0 ppb
2019-02-25	3761-029-1132	ND
2019-02-25	3761-030-1137	ND
2019-03-19	3761-004-1307	ND
2019-03-19	3761-029-1229	ND
2019-03-19	3761-030-1234	ND
2019-03-29	201903290352	ND
2019-03-29	201903290353	8.50 ppb
2019-03-29	201903290354	18.0 ppb
2019-04-15	3761-028-1113	35.0 ppb
2019-04-15	3761-029-1058	ND
2019-04-15	3761-030-1103	ND
2019-05-20	3761-029-1132	ND
2019-05-20	3761-030-1127	ND
2019-06-17	3761-028-1153	51.0 ppb
2019-06-17	3761-029-1142	ND
2019-06-17	3761-030-1148	ND
2019-06-26	201906260251	ND
2019-07-15	3761-028-1056	33.0 ppb
2019-07-15	3761-029-1105	ND
2019-07-15	3761-030-1110	ND
2019-08-26	3761-028-1134	32.0 ppb
2019-08-26	3761-029-1142	ND
2019-08-26	3761-030-1146	ND
2019-09-11	3761-004-1140	26.0 ppb
2019-09-11	3761-028-1025	29.0 ppb
2019-09-11	3761-031-1100	23.0 ppb
2019-09-16	3761-004-1405	37.0 ppb
2019-09-16	3761-028-1136	32.0 ppb
2019-09-16	3761-029-1059	ND
2019-09-16	3761-030-1107	ND
2019-09-27	201909270297	ND
2019-09-27	201909270250	10.00 ppb
2019-09-27	201909270281	34.0 ppb
2019-10-21	3761-004-1217	34.0 ppb
2019-10-21	3761-028-1142	32.0 ppb
2019-10-21	3761-029-1120	ND
2019-10-21	3761-030-1127	ND
2019-11-18	3761-004-1206	41.0 ppb
2019-11-18	3761-028-1108	28.0 ppb
2019-11-18	3761-029-1114	ND
2019-11-18	3761-030-1119	ND
2019-12-26	201912260157	ND