Manganese
City of Alexandria Water System
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.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | N/A | 0 | 0 | N/A |
2015 | N/A | 0 | 0 | N/A |
2016 | 8.35 ppb | 72 | 40 | ND - 54.0 ppb |
2017 | 116.3 ppb | 10 | 10 | 5.00 ppb - 450.0 ppb |
2018 | N/A | 0 | 0 | N/A |
2019 | 11.5 ppb | 102 | 64 | ND - 80.0 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 |
---|---|---|
2016-05-10 | 35244408001 | 12.0 ppb |
2016-05-10 | 35244408002 | ND |
2016-05-10 | 35244408003 | 3.70 ppb |
2016-05-10 | 35244408004 | 21.0 ppb |
2016-05-10 | 35244408005 | ND |
2016-05-10 | 35244408001 | 12.0 ppb |
2016-05-10 | 35244408002 | ND |
2016-05-10 | 35244408003 | 3.70 ppb |
2016-05-10 | 35244408004 | 21.0 ppb |
2016-05-10 | 35244408005 | ND |
2016-05-18 | 35245776001 | 8.20 ppb |
2016-05-18 | 35245776002 | ND |
2016-05-18 | 35245776003 | 5.50 ppb |
2016-05-18 | 35245776004 | 7.40 ppb |
2016-05-18 | 35245776005 | ND |
2016-05-18 | 35245776001 | 8.20 ppb |
2016-05-18 | 35245776002 | ND |
2016-05-18 | 35245776003 | 5.50 ppb |
2016-05-18 | 35245776004 | 7.40 ppb |
2016-05-18 | 35245776005 | ND |
2016-05-25 | 35246558001 | 3.60 ppb |
2016-05-25 | 35246558002 | ND |
2016-05-25 | 35246558003 | ND |
2016-05-25 | 35246558004 | ND |
2016-05-25 | 35246558005 | 3.70 ppb |
2016-05-25 | 35246558001 | 3.60 ppb |
2016-05-25 | 35246558002 | ND |
2016-05-25 | 35246558003 | ND |
2016-05-25 | 35246558004 | ND |
2016-05-25 | 35246558005 | 3.70 ppb |
2016-06-06 | 35248060001 | ND |
2016-06-06 | 35248060002 | ND |
2016-06-06 | 35248060003 | 39.0 ppb |
2016-06-06 | 35248060004 | ND |
2016-06-06 | 35248060005 | ND |
2016-06-06 | 35248060001 | ND |
2016-06-06 | 35248060002 | ND |
2016-06-06 | 35248060003 | 39.0 ppb |
2016-06-06 | 35248060004 | ND |
2016-06-06 | 35248060005 | ND |
2016-06-15 | 35250015001 | 7.40 ppb |
2016-06-15 | 35250015002 | ND |
2016-06-15 | 35250015003 | 6.80 ppb |
2016-06-15 | 35250015004 | 13.0 ppb |
2016-06-15 | 35250015005 | ND |
2016-06-15 | 35250015001 | 7.40 ppb |
2016-06-15 | 35250015002 | ND |
2016-06-15 | 35250015003 | 6.80 ppb |
2016-06-15 | 35250015004 | 13.0 ppb |
2016-06-15 | 35250015005 | ND |
2016-07-19 | 35255757001 | 54.0 ppb |
2016-07-19 | 35255757002 | 40.0 ppb |
2016-07-19 | 35255757001 | 54.0 ppb |
2016-07-19 | 35255757002 | 40.0 ppb |
2016-08-09 | 35259194001 | 6.50 ppb |
2016-08-09 | 35259194002 | 10.00 ppb |
2016-08-09 | 35259194003 | ND |
2016-08-09 | 35259194004 | 3.50 ppb |
2016-08-09 | 35259194005 | ND |
2016-08-09 | 35259194001 | 6.50 ppb |
2016-08-09 | 35259194002 | 10.00 ppb |
2016-08-09 | 35259194003 | ND |
2016-08-09 | 35259194004 | 3.50 ppb |
2016-08-09 | 35259194005 | ND |
2016-10-05 | 35271142005 | 23.0 ppb |
2016-10-05 | 35271142005 | 23.0 ppb |
2016-11-09 | 35276653001 | 25.0 ppb |
2016-11-09 | 35276653002 | ND |
2016-11-09 | 35276653001 | 25.0 ppb |
2016-11-09 | 35276653002 | ND |
2016-12-14 | 35283929004 | 7.40 ppb |
2016-12-14 | 35283929004 | 7.40 ppb |
2017-03-08 | 35299871001 | 20.0 ppb |
2017-03-08 | 35299871002 | 450.0 ppb |
2017-03-08 | 35299871001 | 20.0 ppb |
2017-03-08 | 35299871002 | 450.0 ppb |
2017-08-07 | 35329426006 | 99.0 ppb |
2017-08-07 | 35329426006 | 99.0 ppb |
2017-11-02 | 35345825001 | 5.00 ppb |
2017-11-02 | 35345825002 | 7.30 ppb |
2017-11-02 | 35345825001 | 5.00 ppb |
2017-11-02 | 35345825002 | 7.30 ppb |
2019-01-30 | 35445470001 | ND |
2019-01-30 | 35445470002 | 4.80 ppb |
2019-01-30 | 35445470003 | ND |
2019-01-30 | 35445470004 | ND |
2019-01-30 | 35445470005 | 57.0 ppb |
2019-01-30 | 35445470001 | ND |
2019-01-30 | 35445470002 | 4.80 ppb |
2019-01-30 | 35445470003 | ND |
2019-01-30 | 35445470004 | ND |
2019-01-30 | 35445470005 | 57.0 ppb |
2019-02-06 | 35446987001 | 6.20 ppb |
2019-02-06 | 35446987002 | ND |
2019-02-06 | 35446987003 | ND |
2019-02-06 | 35446987004 | ND |
2019-02-06 | 35446987005 | 11.0 ppb |
2019-02-06 | 35446987001 | 6.20 ppb |
2019-02-06 | 35446987002 | ND |
2019-02-06 | 35446987003 | ND |
2019-02-06 | 35446987004 | ND |
2019-02-06 | 35446987005 | 11.0 ppb |
2019-02-27 | 35451250001 | 14.0 ppb |
2019-02-27 | 35451250002 | 4.60 ppb |
2019-02-27 | 35451250003 | 2.00 ppb |
2019-02-27 | 35451250004 | 24.0 ppb |
2019-02-27 | 35451250005 | 15.0 ppb |
2019-02-27 | 35451250001 | 14.0 ppb |
2019-02-27 | 35451250002 | 4.60 ppb |
2019-02-27 | 35451250003 | 2.00 ppb |
2019-02-27 | 35451250004 | 24.0 ppb |
2019-02-27 | 35451250005 | 15.0 ppb |
2019-03-13 | 35454676001 | ND |
2019-03-13 | 35454676002 | 2.40 ppb |
2019-03-13 | 35454676003 | ND |
2019-03-13 | 35454676004 | 21.0 ppb |
2019-03-13 | 35454676001 | ND |
2019-03-13 | 35454676002 | 2.40 ppb |
2019-03-13 | 35454676003 | ND |
2019-03-13 | 35454676004 | 21.0 ppb |
2019-03-20 | 35456260001 | 1.60 ppb |
2019-03-20 | 35456260002 | 39.0 ppb |
2019-03-20 | 35456260003 | 2.80 ppb |
2019-03-20 | 35456260004 | ND |
2019-03-20 | 35456260005 | 1.70 ppb |
2019-03-20 | 35456260001 | 1.60 ppb |
2019-03-20 | 35456260002 | 39.0 ppb |
2019-03-20 | 35456260003 | 2.80 ppb |
2019-03-20 | 35456260004 | ND |
2019-03-20 | 35456260005 | 1.70 ppb |
2019-03-27 | 35457693001 | ND |
2019-03-27 | 35457693002 | ND |
2019-03-27 | 35457693003 | ND |
2019-03-27 | 35457693004 | 20.0 ppb |
2019-03-27 | 35457693005 | 1.80 ppb |
2019-03-27 | 35457693001 | ND |
2019-03-27 | 35457693002 | ND |
2019-03-27 | 35457693003 | ND |
2019-03-27 | 35457693004 | 20.0 ppb |
2019-03-27 | 35457693005 | 1.80 ppb |
2019-04-10 | 35461050001 | 6.00 ppb |
2019-04-10 | 35461050002 | 2.40 ppb |
2019-04-10 | 35461050003 | 8.30 ppb |
2019-04-10 | 35461050004 | 14.0 ppb |
2019-04-10 | 35461050005 | 3.60 ppb |
2019-04-10 | 35461050001 | 6.00 ppb |
2019-04-10 | 35461050002 | 2.40 ppb |
2019-04-10 | 35461050003 | 8.30 ppb |
2019-04-10 | 35461050004 | 14.0 ppb |
2019-04-10 | 35461050005 | 3.60 ppb |
2019-06-06 | B1902352-001 | 40.0 ppb |
2019-06-06 | B1902352-002 | 80.0 ppb |
2019-06-06 | B1902352-003 | ND |
2019-06-06 | B1902352-001 | 40.0 ppb |
2019-06-06 | B1902352-002 | 80.0 ppb |
2019-06-06 | B1902352-003 | ND |
2019-07-25 | B1903186-001 | ND |
2019-07-25 | B1903188-001 | 80.0 ppb |
2019-07-25 | B1903186-001 | ND |
2019-07-25 | B1903188-001 | 80.0 ppb |
2019-09-11 | B1904050-001 | 10.00 ppb |
2019-09-11 | B1904050-002 | ND |
2019-09-11 | B1904050-003 | ND |
2019-09-11 | B1904050-001 | 10.00 ppb |
2019-09-11 | B1904050-002 | ND |
2019-09-11 | B1904050-003 | ND |
2019-09-19 | 4428871 | 7.04 ppb |
2019-09-19 | 4428891 | 7.58 ppb |
2019-09-19 | 4428933 | 22.0 ppb |
2019-09-19 | 4428856 | 4.25 ppb |
2019-09-24 | 4437097 | 7.14 ppb |
2019-09-24 | 4437144 | 41.1 ppb |
2019-09-25 | 4436838 | 13.5 ppb |
2019-09-26 | 4437331 | 8.74 ppb |
2019-12-04 | B1905453-001 | 50.0 ppb |
2019-12-04 | B1905453-002 | ND |
2019-12-04 | B1905453-003 | 10.00 ppb |
2019-12-04 | B1905453-004 | ND |
2019-12-04 | B1905453-005 | ND |
2019-12-04 | B1905453-001 | 50.0 ppb |
2019-12-04 | B1905453-002 | ND |
2019-12-04 | B1905453-003 | 10.00 ppb |
2019-12-04 | B1905453-004 | ND |
2019-12-04 | B1905453-005 | ND |
2020-03-03 | 4580949 | 11.4 ppb |
2020-03-09 | 4585673 | 12.1 ppb |
2020-03-09 | 4585723 | 3.67 ppb |
2020-03-17 | 4592813 | 22.2 ppb |
2020-03-17 | 4592239 | 21.6 ppb |
2020-03-25 | 4596256 | 1.92 ppb |
2020-03-25 | 4596301 | 6.98 ppb |