Know Your Environment. Protect Your Health.

Manganese

Aromas 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.

 

126

Samples

0

Samples exceeding legal limit (MCL)

36

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201890.0 ppb209ND - 300.0 ppb
201958.8 ppb218ND - 245.0 ppb
202079.0 ppb2310ND - 309.0 ppb
202166.1 ppb219ND - 263.0 ppb
202265.1 ppb208ND - 259.0 ppb
202365.0 ppb219ND - 226.0 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

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
2018-01-10CA3510004_010_010-201801101030ND
2018-01-10CA3510004_004_004-201801100852300.0 ppb
2018-01-10CA3510004_007_007-201801101035128.0 ppb
2018-02-05CA3510004_010_010-201802050830ND
2018-03-05CA3510004_010_010-201803050752ND
2018-03-05CA3510004_007_007-201803050750100.0 ppb
2018-03-05CA3510004_004_004-201803051020299.0 ppb
2018-04-02CA3510004_004_004-201804021046267.0 ppb
2018-04-02CA3510004_010_010-201804021102ND
2018-06-04CA3510004_010_010-201806040952ND
2018-07-02CA3510004_004_004-201807020915262.0 ppb
2018-07-02CA3510004_007_007-20180702121083.0 ppb
2018-07-02CA3510004_010_010-201807021206ND
2018-08-06CA3510004_010_010-201808061009ND
2018-09-10CA3510004_010_010-201809101120ND
2018-10-01CA3510004_004_004-201810011119246.0 ppb
2018-10-01CA3510004_007_007-201810011211114.0 ppb
2018-10-01CA3510004_010_010-201810011215ND
2018-11-05CA3510004_010_010-201811050825ND
2018-12-03CA3510004_010_010-201812030915ND
2019-01-07CA3510004_007_007-201901070820120.0 ppb
2019-01-07CA3510004_004_004-201901071020226.0 ppb
2019-01-07CA3510004_010_010-201901070825ND
2019-02-05CA3510004_010_010-201902050803ND
2019-03-04CA3510004_010_010-201903041036ND
2019-04-03CA3510004_010_010-201904030955ND
2019-04-03CA3510004_004_004-201904031212188.0 ppb
2019-04-03CA3510004_007_007-20190403094593.0 ppb
2019-05-06CA3510004_010_010-201905061106ND
2019-06-03CA3510004_010_010-201906031131ND
2019-07-01CA3510004_004_004-201907011041245.0 ppb
2019-07-01CA3510004_007_007-20190701130180.0 ppb
2019-07-01CA3510004_011_011-201907010824ND
2019-07-01CA3510004_010_010-201907011309ND
2019-08-05CA3510004_010_010-201908050957ND
2019-09-09CA3510004_010_010-201909090933ND
2019-10-07CA3510004_004_004-201910071120198.0 ppb
2019-10-07CA3510004_007_007-20191007094685.0 ppb
2019-10-07CA3510004_010_010-201910070953ND
2019-11-04CA3510004_010_010-201911041044ND
2019-12-09CA3510004_010_010-201912091035ND
2020-01-06CA3510004_004_004-202001061031219.0 ppb
2020-01-06CA3510004_007_007-202001061214104.0 ppb
2020-01-06CA3510004_010_010-202001061208ND
2020-02-03CA3510004_010_010-202002030918ND
2020-03-04CA3510004_010_010-202003040843ND
2020-04-06CA3510004_010_010-202004061036ND
2020-04-06CA3510004_004_004-202004060915230.0 ppb
2020-04-06CA3510004_007_007-20200406104699.0 ppb
2020-05-04CA3510004_010_010-202005040935ND
2020-06-01CA3510004_010_010-202006010934ND
2020-07-06CA3510004_004_004-202007061154252.0 ppb
2020-07-06CA3510004_010_010-202007060824ND
2020-07-06CA3510004_007_007-202007060818109.0 ppb
2020-08-03CA3510004_010_010-202008031043ND
2020-09-08CA3510004_010_010-202009081059ND
2020-10-05CA3510004_007_007-202010051036104.0 ppb
2020-10-05CA3510004_010_010-202010051041ND
2020-10-05CA3510004_004_004-202010051150273.0 ppb
2020-10-26CA3510004_011_011-202010260858ND
2020-10-26CA3510004_004_004-202010261008309.0 ppb
2020-10-26CA3510004_007_007-202010260955117.0 ppb
2020-11-02CA3510004_010_010-202011021033ND
2020-12-07CA3510004_010_010-202012070945ND
2021-01-04CA3510004_004_004-202101041106198.0 ppb
2021-01-04CA3510004_010_010-202101040920ND
2021-01-04CA3510004_007_007-20210104091684.0 ppb
2021-02-01CA3510004_010_010-202102011115ND
2021-03-01CA3510004_010_010-202103010850ND
2021-04-05CA3510004_004_004-202104051036222.0 ppb
2021-04-05CA3510004_010_010-202104051016ND
2021-04-05CA3510004_007_007-20210405101495.0 ppb
2021-05-03CA3510004_010_010-202105030808ND
2021-06-07CA3510004_010_010-202106070918ND
2021-07-12CA3510004_010_010-202107121110ND
2021-07-12CA3510004_004_004-202107121155240.0 ppb
2021-07-12CA3510004_007_007-20210712110592.0 ppb
2021-07-12CA3510004_007_007-20210712110592.0 ppb
2021-08-02CA3510004_010_010-202108020900ND
2021-09-13CA3510004_010_010-202109131158ND
2021-10-04CA3510004_004_004-202110041144263.0 ppb
2021-10-04CA3510004_007_007-202110041115102.0 ppb
2021-10-04CA3510004_010_010-202110041310ND
2021-11-01CA3510004_010_010-202111011010ND
2021-12-06CA3510004_010_010-202112061124ND
2022-01-03CA3510004_004_004-202201031150247.0 ppb
2022-01-03CA3510004_007_007-20220103102193.0 ppb
2022-01-03CA3510004_010_010-202201031025ND
2022-02-07CA3510004_010_010-202202071035ND
2022-03-07CA3510004_010_010-202203071108ND
2022-04-04CA3510004_004_004-202204041120233.0 ppb
2022-04-04CA3510004_007_007-20220404092889.0 ppb
2022-04-04CA3510004_010_010-202204040933ND
2022-05-02CA3510004_010_010-202205021026ND
2022-06-06CA3510004_010_010-202206060935ND
2022-07-11CA3510004_004_004-202207111211259.0 ppb
2022-07-11CA3510004_007_007-20220711093091.0 ppb
2022-07-11CA3510004_010_010-202207110940ND
2022-08-01CA3510004_010_010-202208011100ND
2022-09-12CA3510004_010_010-202209120945ND
2022-10-03CA3510004_004_004-202210031038204.0 ppb
2022-10-03CA3510004_007_007-20221003101086.0 ppb
2022-10-03CA3510004_010_010-202210031014ND
2022-11-07CA3510004_010_010-202211070936ND
2022-12-05CA3510004_010_010-202212050930ND
2023-01-11CA3510004_004_004-202301111114216.0 ppb
2023-01-11CA3510004_007_007-20230111105298.0 ppb
2023-01-11CA3510004_010_010-202301111058ND
2023-02-06CA3510004_010_010-202302061028ND
2023-03-06CA3510004_010_010-202303060941ND
2023-04-03CA3510004_004_004-202304031150210.0 ppb
2023-04-03CA3510004_011_011-202304030850104.0 ppb
2023-04-03CA3510004_010_010-202304030923ND
2023-04-03CA3510004_007_007-20230403092398.0 ppb
2023-05-01CA3510004_010_010-202305010959ND
2023-06-05CA3510004_010_010-202306051034ND
2023-07-03CA3510004_007_007-202307030907101.0 ppb
2023-07-03CA3510004_004_004-202307031033218.0 ppb
2023-07-03CA3510004_010_010-202307030912ND
2023-08-07CA3510004_010_010-202308070933ND
2023-09-11CA3510004_010_010-202309110917ND
2023-10-02CA3510004_004_004-202310021013226.0 ppb
2023-10-02CA3510004_010_010-202310021112ND
2023-10-02CA3510004_007_007-20231002103695.0 ppb
2023-11-06CA3510004_010_010-202311061012ND
2023-12-04CA3510004_010_010-202312041307ND