Manganese

Baton Rouge Water Company

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

453

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	1.76 ppb	68	4	ND - 40.0 ppb
2015	19.8 ppb	40	40	3.50 ppb - 82.0 ppb
2016	34.5 ppb	94	94	4.60 ppb - 490.0 ppb
2017	31.2 ppb	78	72	ND - 460.0 ppb
2018	15.6 ppb	36	18	ND - 120.0 ppb
2019	22.5 ppb	136	122	ND - 120.0 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
2014-01-13	AD88253	ND
2014-01-13	AD88258	ND
2014-01-13	AD88263	ND
2014-01-13	AD88268	ND
2014-01-13	AD88273	ND
2014-01-13	AD88253	ND
2014-01-13	AD88258	ND
2014-01-13	AD88263	ND
2014-01-13	AD88268	ND
2014-01-13	AD88273	ND
2014-05-05	AD91105	ND
2014-05-05	AD91110	ND
2014-05-05	AD91115	ND
2014-05-05	AD91120	ND
2014-05-05	AD91125	ND
2014-05-05	AD91105	ND
2014-05-05	AD91110	ND
2014-05-05	AD91115	ND
2014-05-05	AD91120	ND
2014-05-05	AD91125	ND
2014-05-12	AD91408	ND
2014-05-12	AD91413	ND
2014-05-12	AD91418	ND
2014-05-12	AD91423	ND
2014-05-12	AD91428	ND
2014-05-12	AD91408	ND
2014-05-12	AD91413	ND
2014-05-12	AD91418	ND
2014-05-12	AD91423	ND
2014-05-12	AD91428	ND
2014-05-19	AD91625	ND
2014-05-19	AD91630	ND
2014-05-19	AD91635	ND
2014-05-19	AD91640	ND
2014-05-19	AD91645	ND
2014-05-19	AD91625	ND
2014-05-19	AD91630	ND
2014-05-19	AD91635	ND
2014-05-19	AD91640	ND
2014-05-19	AD91645	ND
2014-06-09	AD92065	ND
2014-06-09	AD92065	ND
2014-07-14	AD93438	ND
2014-07-14	AD93443	20.0 ppb
2014-07-14	AD93448	ND
2014-07-14	AD93453	ND
2014-07-14	AD93438	ND
2014-07-14	AD93443	20.0 ppb
2014-07-14	AD93448	ND
2014-07-14	AD93453	ND
2014-07-21	AD93983	ND
2014-07-21	AD93988	ND
2014-07-21	AD93993	ND
2014-07-21	AD93998	ND
2014-07-21	AD94003	40.0 ppb
2014-07-21	AD93983	ND
2014-07-21	AD93988	ND
2014-07-21	AD93993	ND
2014-07-21	AD93998	ND
2014-07-21	AD94003	40.0 ppb
2014-08-11	AD95139	ND
2014-08-11	AD95144	ND
2014-08-11	AD95149	ND
2014-08-11	AD95159	ND
2014-08-11	AD95139	ND
2014-08-11	AD95144	ND
2014-08-11	AD95149	ND
2014-08-11	AD95159	ND
2015-03-30	35181845005	82.0 ppb
2015-03-30	35181845005	82.0 ppb
2015-07-06	35196455004	8.70 ppb
2015-07-06	35196455005	12.0 ppb
2015-07-06	35196455004	8.70 ppb
2015-07-06	35196455005	12.0 ppb
2015-08-03	35200997001	12.0 ppb
2015-08-03	35200997002	11.0 ppb
2015-08-03	35200997003	5.60 ppb
2015-08-03	35200997004	6.80 ppb
2015-08-03	35200997005	79.0 ppb
2015-08-03	35200997001	12.0 ppb
2015-08-03	35200997002	11.0 ppb
2015-08-03	35200997003	5.60 ppb
2015-08-03	35200997004	6.80 ppb
2015-08-03	35200997005	79.0 ppb
2015-08-17	35203438001	29.0 ppb
2015-08-17	35203438002	9.10 ppb
2015-08-17	35203438001	29.0 ppb
2015-08-17	35203438002	9.10 ppb
2015-08-31	35205974004	14.0 ppb
2015-08-31	35205974005	6.90 ppb
2015-08-31	35205974004	14.0 ppb
2015-08-31	35205974005	6.90 ppb
2015-11-02	35215110001	65.0 ppb
2015-11-02	35215110002	8.70 ppb
2015-11-02	35215110003	4.40 ppb
2015-11-02	35215110001	65.0 ppb
2015-11-02	35215110002	8.70 ppb
2015-11-02	35215110003	4.40 ppb
2015-11-30	35219066001	4.60 ppb
2015-11-30	35219066002	3.50 ppb
2015-11-30	35219066003	19.0 ppb
2015-11-30	35219066004	6.40 ppb
2015-11-30	35219066005	8.10 ppb
2015-11-30	35219066001	4.60 ppb
2015-11-30	35219066002	3.50 ppb
2015-11-30	35219066003	19.0 ppb
2015-11-30	35219066004	6.40 ppb
2015-11-30	35219066005	8.10 ppb
2016-01-12	35225030004	81.0 ppb
2016-01-12	35225030005	47.0 ppb
2016-01-12	35225030004	81.0 ppb
2016-01-12	35225030005	47.0 ppb
2016-01-25	35227129001	12.0 ppb
2016-01-25	35227129002	16.0 ppb
2016-01-25	35227129003	18.0 ppb
2016-01-25	35227129004	13.0 ppb
2016-01-25	35227129005	19.0 ppb
2016-01-25	35227129001	12.0 ppb
2016-01-25	35227129002	16.0 ppb
2016-01-25	35227129003	18.0 ppb
2016-01-25	35227129004	13.0 ppb
2016-01-25	35227129005	19.0 ppb
2016-02-29	35232145001	9.10 ppb
2016-02-29	35232145002	13.0 ppb
2016-02-29	35232145003	25.0 ppb
2016-02-29	35232145001	9.10 ppb
2016-02-29	35232145002	13.0 ppb
2016-02-29	35232145003	25.0 ppb
2016-04-11	35239236001	20.0 ppb
2016-04-11	35239236002	13.0 ppb
2016-04-11	35239236003	13.0 ppb
2016-04-11	35239236004	17.0 ppb
2016-04-11	35239236001	20.0 ppb
2016-04-11	35239236002	13.0 ppb
2016-04-11	35239236003	13.0 ppb
2016-04-11	35239236004	17.0 ppb
2016-04-20	35240674001	9.80 ppb
2016-04-20	35240674002	22.0 ppb
2016-04-20	35240674001	9.80 ppb
2016-04-20	35240674002	22.0 ppb
2016-04-27	35241963001	12.0 ppb
2016-04-27	35241963002	16.0 ppb
2016-04-27	35241963003	11.0 ppb
2016-04-27	35241963004	18.0 ppb
2016-04-27	35241963005	15.0 ppb
2016-04-27	35241963001	12.0 ppb
2016-04-27	35241963002	16.0 ppb
2016-04-27	35241963003	11.0 ppb
2016-04-27	35241963004	18.0 ppb
2016-04-27	35241963005	15.0 ppb
2016-05-03	AE06238	90.0 ppb
2016-05-03	AE06242	10.00 ppb
2016-05-03	AE06246	10.00 ppb
2016-05-03	AE06250	10.00 ppb
2016-05-03	AE06254	10.00 ppb
2016-05-03	AE06238	90.0 ppb
2016-05-03	AE06242	10.00 ppb
2016-05-03	AE06246	10.00 ppb
2016-05-03	AE06250	10.00 ppb
2016-05-03	AE06254	10.00 ppb
2016-05-23	AE06385	20.0 ppb
2016-05-23	AE06389	60.0 ppb
2016-05-23	AE06393	10.00 ppb
2016-05-23	AE06397	40.0 ppb
2016-05-23	AE06401	20.0 ppb
2016-05-23	AE06385	20.0 ppb
2016-05-23	AE06389	60.0 ppb
2016-05-23	AE06393	10.00 ppb
2016-05-23	AE06397	40.0 ppb
2016-05-23	AE06401	20.0 ppb
2016-06-08	AE06572	50.0 ppb
2016-06-08	AE06576	10.00 ppb
2016-06-08	AE06588	10.00 ppb
2016-06-08	AE06572	50.0 ppb
2016-06-08	AE06576	10.00 ppb
2016-06-08	AE06588	10.00 ppb
2016-06-15	AE06720	10.00 ppb
2016-06-15	AE06724	10.00 ppb
2016-06-15	AE06728	10.00 ppb
2016-06-15	AE06720	10.00 ppb
2016-06-15	AE06724	10.00 ppb
2016-06-15	AE06728	10.00 ppb
2016-08-22	35261432001	14.0 ppb
2016-08-22	35261432002	490.0 ppb
2016-08-22	35261432001	14.0 ppb
2016-08-22	35261432002	490.0 ppb
2016-08-30	35263152001	43.0 ppb
2016-08-30	35263152001	43.0 ppb
2016-09-14	35265890005	47.0 ppb
2016-09-14	35265890005	47.0 ppb
2016-09-20	35267198001	130.0 ppb
2016-09-20	35267198002	13.0 ppb
2016-09-20	35267198003	31.0 ppb
2016-09-20	35267198004	43.0 ppb
2016-09-20	35267198005	4.60 ppb
2016-09-20	35267198001	130.0 ppb
2016-09-20	35267198002	13.0 ppb
2016-09-20	35267198003	31.0 ppb
2016-09-20	35267198004	43.0 ppb
2016-09-20	35267198005	4.60 ppb
2016-10-05	35270134001	8.30 ppb
2016-10-05	35270134001	8.30 ppb
2017-01-17	AE12841	20.0 ppb
2017-01-17	AE12845	20.0 ppb
2017-01-17	AE12849	30.0 ppb
2017-01-17	AE12853	10.00 ppb
2017-01-17	AE12857	20.0 ppb
2017-01-17	AE12841	20.0 ppb
2017-01-17	AE12845	20.0 ppb
2017-01-17	AE12849	30.0 ppb
2017-01-17	AE12853	10.00 ppb
2017-01-17	AE12857	20.0 ppb
2017-01-23	AE12874	10.00 ppb
2017-01-23	AE12874	10.00 ppb
2017-04-24	AE13858	10.00 ppb
2017-04-24	AE13862	30.0 ppb
2017-04-24	AE13874	10.00 ppb
2017-04-24	AE13858	10.00 ppb
2017-04-24	AE13862	30.0 ppb
2017-04-24	AE13874	10.00 ppb
2017-05-15	AE14135	10.00 ppb
2017-05-15	AE14139	20.0 ppb
2017-05-15	AE14143	10.00 ppb
2017-05-15	AE14147	10.00 ppb
2017-05-15	AE14151	10.00 ppb
2017-05-15	AE14135	10.00 ppb
2017-05-15	AE14139	20.0 ppb
2017-05-15	AE14143	10.00 ppb
2017-05-15	AE14147	10.00 ppb
2017-05-15	AE14151	10.00 ppb
2017-05-23	35314374006	17.0 ppb
2017-05-23	35314374007	460.0 ppb
2017-05-23	AE14197	10.00 ppb
2017-05-23	AE14201	10.00 ppb
2017-05-23	AE14205	ND
2017-05-23	AE14209	ND
2017-05-23	35314374006	17.0 ppb
2017-05-23	35314374007	460.0 ppb
2017-05-23	AE14197	10.00 ppb
2017-05-23	AE14201	10.00 ppb
2017-05-23	AE14205	ND
2017-05-23	AE14209	ND
2017-06-05	AE14286	40.0 ppb
2017-06-05	AE14298	10.00 ppb
2017-06-05	AE14302	10.00 ppb
2017-06-05	AE14286	40.0 ppb
2017-06-05	AE14298	10.00 ppb
2017-06-05	AE14302	10.00 ppb
2017-06-19	AE14874	50.0 ppb
2017-06-19	AE14878	10.00 ppb
2017-06-19	AE14874	50.0 ppb
2017-06-19	AE14878	10.00 ppb
2017-06-27	AE15200	10.00 ppb
2017-06-27	AE15204	20.0 ppb
2017-06-27	AE15208	20.0 ppb
2017-06-27	AE15212	70.0 ppb
2017-06-27	AE15216	20.0 ppb
2017-06-27	AE15200	10.00 ppb
2017-06-27	AE15204	20.0 ppb
2017-06-27	AE15208	20.0 ppb
2017-06-27	AE15212	70.0 ppb
2017-06-27	AE15216	20.0 ppb
2017-07-18	AE15711	30.0 ppb
2017-07-18	AE15715	30.0 ppb
2017-07-18	AE15719	ND
2017-07-18	AE15723	10.00 ppb
2017-07-18	AE15711	30.0 ppb
2017-07-18	AE15715	30.0 ppb
2017-07-18	AE15719	ND
2017-07-18	AE15723	10.00 ppb
2017-07-25	AE15923	30.0 ppb
2017-07-25	AE15927	10.00 ppb
2017-07-25	AE15923	30.0 ppb
2017-07-25	AE15927	10.00 ppb
2017-08-02	AE16226	110.0 ppb
2017-08-02	AE16226	110.0 ppb
2017-11-28	AE20078	10.00 ppb
2017-11-28	AE20078	10.00 ppb
2017-12-05	AE20103	10.00 ppb
2017-12-05	AE20103	10.00 ppb
2018-04-17	AE21372	ND
2018-04-17	AE21375	ND
2018-04-17	AE21372	ND
2018-04-17	AE21375	ND
2018-09-20	B1804419-001	120.0 ppb
2018-09-20	B1804419-002	ND
2018-09-20	B1804419-003	ND
2018-09-20	B1804419-004	ND
2018-09-20	B1804419-001	120.0 ppb
2018-09-20	B1804419-002	ND
2018-09-20	B1804419-003	ND
2018-09-20	B1804419-004	ND
2018-09-24	B1804492-001	ND
2018-09-24	B1804492-002	ND
2018-09-24	B1804492-003	20.0 ppb
2018-09-24	B1804492-004	ND
2018-09-24	B1804492-001	ND
2018-09-24	B1804492-002	ND
2018-09-24	B1804492-003	20.0 ppb
2018-09-24	B1804492-004	ND
2018-12-03	B1805681-001	40.0 ppb
2018-12-03	B1805681-002	10.00 ppb
2018-12-03	B1805681-003	10.00 ppb
2018-12-03	B1805681-001	40.0 ppb
2018-12-03	B1805681-002	10.00 ppb
2018-12-03	B1805681-003	10.00 ppb
2018-12-04	B1805718-001	20.0 ppb
2018-12-04	B1805718-002	20.0 ppb
2018-12-04	B1805718-001	20.0 ppb
2018-12-04	B1805718-002	20.0 ppb
2018-12-11	B1805886-001	20.0 ppb
2018-12-11	B1805886-002	20.0 ppb
2018-12-11	B1805886-003	ND
2018-12-11	B1805886-001	20.0 ppb
2018-12-11	B1805886-002	20.0 ppb
2018-12-11	B1805886-003	ND
2019-01-23	B1900320-001	10.00 ppb
2019-01-23	B1900320-002	10.00 ppb
2019-01-23	B1900320-003	10.00 ppb
2019-01-23	B1900320-001	10.00 ppb
2019-01-23	B1900320-002	10.00 ppb
2019-01-23	B1900320-003	10.00 ppb
2019-02-14	B1900648-001	ND
2019-02-14	B1900648-002	20.0 ppb
2019-02-14	B1900648-001	ND
2019-02-14	B1900648-002	20.0 ppb
2019-03-14	B1901011-001	10.00 ppb
2019-03-14	B1901011-002	20.0 ppb
2019-03-14	B1901011-001	10.00 ppb
2019-03-14	B1901011-002	20.0 ppb
2019-03-18	B1901046-001	90.0 ppb
2019-03-18	B1901046-002	10.00 ppb
2019-03-18	B1901046-003	10.00 ppb
2019-03-18	B1901046-004	ND
2019-03-18	B1901046-001	90.0 ppb
2019-03-18	B1901046-002	10.00 ppb
2019-03-18	B1901046-003	10.00 ppb
2019-03-18	B1901046-004	ND
2019-03-25	B1901118-001	ND
2019-03-25	B1901118-001	ND
2019-04-01	35459060012SEA1	13.8 ppb
2019-04-01	35459060011SEA1	55.4 ppb
2019-04-01	35459060010SEA1	11.1 ppb
2019-04-01	35459060009SEA1	86.7 ppb
2019-04-01	35459060008SEA1	11.0 ppb
2019-04-01	35459060007SEA1	11.2 ppb
2019-04-01	35459060006SEA1	11.3 ppb
2019-04-01	35459060005SEA1	31.6 ppb
2019-04-01	35459060004SEA1	9.60 ppb
2019-04-01	35459060003SEA1	44.6 ppb
2019-04-01	35459060002SEA1	9.60 ppb
2019-04-01	35459060001SEA1	9.20 ppb
2019-04-02	35459401011SEA1	13.7 ppb
2019-04-02	35459401010SEA1	9.10 ppb
2019-04-02	35459401009SEA1	9.80 ppb
2019-04-02	35459401008SEA1	7.60 ppb
2019-04-02	35459401007SEA1	22.2 ppb
2019-04-02	35459401006SEA1	12.1 ppb
2019-04-02	35459401005SEA1	8.70 ppb
2019-04-02	35459401004SEA1	76.6 ppb
2019-04-02	35459401003SEA1	33.4 ppb
2019-04-02	35459401002SEA1	11.7 ppb
2019-04-02	35459401001SEA1	23.3 ppb
2019-04-08	35461079014SEA1	12.4 ppb
2019-04-08	35461079012SEA1	16.8 ppb
2019-04-08	35461079011SEA1	26.0 ppb
2019-04-08	35461079008SEA1	31.2 ppb
2019-04-08	35461079007SEA1	8.50 ppb
2019-04-08	35461079006SEA1	5.40 ppb
2019-04-08	35461079003SEA1	9.40 ppb
2019-04-08	35461079042SEA1	90.9 ppb
2019-04-09	B1901403-001	40.0 ppb
2019-04-09	B1901403-002	20.0 ppb
2019-04-09	B1901403-003	60.0 ppb
2019-04-09	B1901403-001	40.0 ppb
2019-04-09	B1901403-002	20.0 ppb
2019-04-09	B1901403-003	60.0 ppb
2019-04-10	B1901440-001	10.00 ppb
2019-04-10	B1901440-002	20.0 ppb
2019-04-10	B1901440-001	10.00 ppb
2019-04-10	B1901440-002	20.0 ppb
2019-04-15	35462431003SEA1	32.9 ppb
2019-04-15	35462431002SEA1	6.50 ppb
2019-04-24	B1901656-001	ND
2019-04-24	B1901656-002	ND
2019-04-24	B1901656-001	ND
2019-04-24	B1901656-002	ND
2019-04-29	35464817001	9.00 ppb
2019-04-29	35464817002	50.0 ppb
2019-04-29	B1901696-001	10.00 ppb
2019-04-29	B1901696-002	60.0 ppb
2019-04-29	35464817001	9.00 ppb
2019-04-29	35464817002	50.0 ppb
2019-04-29	B1901696-001	10.00 ppb
2019-04-29	B1901696-002	60.0 ppb
2019-05-16	B1902022-001	10.00 ppb
2019-05-16	B1902022-002	ND
2019-05-16	B1902022-001	10.00 ppb
2019-05-16	B1902022-002	ND
2019-06-18	35477001001SEA1	6.40 ppb
2019-08-21	B1903611-001	10.00 ppb
2019-08-21	B1903611-002	10.00 ppb
2019-08-21	B1903611-003	40.0 ppb
2019-08-21	B1903611-001	10.00 ppb
2019-08-21	B1903611-002	10.00 ppb
2019-08-21	B1903611-003	40.0 ppb
2019-10-01	35502479021SEA2	106.0 ppb
2019-10-01	35502479001SEA2	71.1 ppb
2019-10-01	35502479003SEA2	11.1 ppb
2019-10-01	35502479005SEA2	11.5 ppb
2019-10-01	35502479007SEA2	18.9 ppb
2019-10-01	35502479009SEA2	11.3 ppb
2019-10-01	35502479011SEA2	29.7 ppb
2019-10-01	35502479013SEA2	8.40 ppb
2019-10-01	35502479023SEA2	60.8 ppb
2019-10-01	35502479015SEA2	11.8 ppb
2019-10-01	35502479017SEA2	8.40 ppb
2019-10-01	35502479019SEA2	13.3 ppb
2019-10-02	35502547001SEA2	8.00 ppb
2019-10-02	35502547003SEA2	10.7 ppb
2019-10-02	35502547005SEA2	7.20 ppb
2019-10-02	35502547007SEA2	10.8 ppb
2019-10-02	35502547009SEA2	12.0 ppb
2019-10-02	35502547011SEA2	8.20 ppb
2019-10-02	35502547013SEA2	74.3 ppb
2019-10-02	35502547015SEA2	32.3 ppb
2019-10-02	35502547017SEA2	6.60 ppb
2019-10-07	B1904469-001	120.0 ppb
2019-10-07	B1904469-001	120.0 ppb
2019-10-08	35504401001SEA2	8.50 ppb
2019-10-08	35504401003SEA2	7.90 ppb
2019-10-08	35504401005SEA2	26.5 ppb
2019-10-08	35504401013SEA2	42.2 ppb
2019-10-08	35504401007SEA2	3.30 ppb
2019-10-08	35504401011SEA2	3.20 ppb
2019-10-08	35504401009SEA2	53.5 ppb
2019-10-08	35504072018SEA2	13.9 ppb
2019-10-23	35504401015SEA2	15.4 ppb
2019-10-28	B1904779-001	ND
2019-10-28	B1904779-001	ND
2019-11-20	B1905155-001	40.0 ppb
2019-11-20	B1905155-001	40.0 ppb
2019-12-03	B1905405-001	20.0 ppb
2019-12-03	B1905405-002	10.00 ppb
2019-12-03	B1905405-003	20.0 ppb
2019-12-03	B1905405-001	20.0 ppb
2019-12-03	B1905405-002	10.00 ppb
2019-12-03	B1905405-003	20.0 ppb
2019-12-04	B1905437-001	30.0 ppb
2019-12-04	B1905437-002	10.00 ppb
2019-12-04	B1905437-001	30.0 ppb
2019-12-04	B1905437-002	10.00 ppb
2020-02-18	35532405001SEA2	12.5 ppb