Manganese

Big Bend Water District

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

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	ND	12	0	ND
2015	ND	12	0	ND
2016	ND	20	0	ND
2017	0.232 ppb	25	1	ND - 5.80 ppb
2018	1.18 ppb	12	2	ND - 8.40 ppb
2019	ND	12	0	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
2014-01-14	14010204-001	ND
2014-02-11	14020148-001	ND
2014-03-11	14030144-001	ND
2014-04-08	14040111-001	ND
2014-05-06	14050090-001	ND
2014-06-03	14060028-001	ND
2014-07-01	14060585-001	ND
2014-08-12	14080162-001	ND
2014-09-09	14090126-001	ND
2014-10-07	14100106-001	ND
2014-11-04	14110045-001	ND
2014-12-02	14120020-001	ND
2015-01-13	15010168-001	ND
2015-02-10	15020136-001	ND
2015-03-10	15030084-001	ND
2015-04-07	15040094-001	ND
2015-05-05	15050015-001	ND
2015-06-02	15060011-001	ND
2015-07-14	15070255-001	ND
2015-08-11	15080178-001	ND
2015-09-08	15090039-001	ND
2015-10-06	15100055-001	ND
2015-11-03	15110018-001	ND
2015-12-01	15110479-001	ND
2016-01-12	16010138-001	ND
2016-02-09	16020146-001	ND
2016-03-08	16030106-001	ND
2016-04-05	16040060-001	ND
2016-05-03	16050005-001	ND
2016-05-03	S1600958001	ND
2016-05-03	S1600958002	ND
2016-06-14	S1601574001	ND
2016-07-12	S1602352001	ND
2016-07-12	S1602352002	ND
2016-08-09	S1603178002	ND
2016-08-09	S1603178001	ND
2016-09-06	S1604066002	ND
2016-09-06	S1604066001	ND
2016-10-04	S1604718002	ND
2016-10-04	S1604718001	ND
2016-11-01	S1605343001	ND
2016-11-01	S1605343002	ND
2016-12-13	S1606023001	ND
2016-12-13	S1606023002	ND
2017-01-10	S166677001	ND
2017-01-10	S1606677001	ND
2017-01-10	S1606677002	ND
2017-02-07	S1700141001	ND
2017-02-07	S1700141002	ND
2017-03-07	S1701096001	ND
2017-03-07	S1701096002	ND
2017-04-04	S1701670002	ND
2017-04-04	S1701670001	ND
2017-05-03	S1703013001	ND
2017-05-03	S1703013002	ND
2017-06-13	S1703071001	ND
2017-06-13	S1703071002	ND
2017-07-11	S1704152002	ND
2017-07-11	S1704152001	ND
2017-08-07	S1704746002	ND
2017-08-07	S1704746001	ND
2017-09-06	S1705572002	5.80 ppb
2017-09-06	S1705572001	ND
2017-10-03	S1706323002	ND
2017-10-03	S1706323001	ND
2017-11-01	S1707072002	ND
2017-11-01	S1707072001	ND
2017-12-12	S1707755002	ND
2017-12-12	S1707755001	ND
2018-01-09	S1800399001	ND
2018-02-06	S1800457001	ND
2018-03-05	S1801599001	ND
2018-04-10	S1801596001	ND
2018-05-01	S1802946001	ND
2018-06-12	S1802972001	ND
2018-07-19	S1803665001	ND
2018-08-16	S1804478001	ND
2018-09-13	S1805303001	8.40 ppb
2018-10-11	S1806073001	5.80 ppb
2018-11-06	S1806871001	ND
2018-12-06	S1807814001	ND
2019-01-29	S1808795001	ND
2019-02-26	S1809700001	ND
2019-03-26	S1900139001	ND
2019-04-11	S1904699001	ND
2019-05-08	S1907967001	ND
2019-06-05	S1912657001	ND
2019-07-31	S1921465001	ND
2019-08-28	S1925181001	ND
2019-09-26	S1938469001	ND
2019-10-15	S1949831001	ND
2019-11-18	S1957933001	ND
2019-12-17	S1968638001	ND