Know Your Environment. Protect Your Health.

Manganese

Hawkins Water Co-cal Water Service (puc)

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.

 

168

Samples

0

Samples exceeding legal limit (MCL)

76

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018222.7 ppb2612ND - 530.0 ppb
2019237.6 ppb2512ND - 540.0 ppb
2020238.5 ppb2615ND - 510.0 ppb
2021265.9 ppb2218ND - 520.0 ppb
2022174.2 ppb3329ND - 570.0 ppb
2023171.8 ppb3622ND - 500.0 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
2018-01-15CA4900546_001_001-201801151300473.6 ppb
2018-01-15CA4900546_003_003-201801151255ND
2018-02-08CA4900546_003_003-201802080930ND
2018-02-08CA4900546_001_001-201802080925522.7 ppb
2018-03-13CA4900546_001_001-201803131350520.0 ppb
2018-03-13CA4900546_003_003-201803131355ND
2018-03-14CA4900546_003_003-201803141250ND
2018-04-12CA4900546_003_003-201804121115ND
2018-04-12CA4900546_001_001-201804121120440.0 ppb
2018-04-12CA4900546_003_003-201804121115ND
2018-05-08CA4900546_003_003-201805081345ND
2018-05-08CA4900546_001_001-201805081340450.8 ppb
2018-06-12CA4900546_001_001-201806121155483.1 ppb
2018-06-12CA4900546_003_003-201806121200ND
2018-07-10CA4900546_003_003-201807101310ND
2018-07-10CA4900546_001_001-201807101315479.2 ppb
2018-08-20CA4900546_001_001-201808201148466.0 ppb
2018-08-20CA4900546_003_003-201808201255ND
2018-09-12CA4900546_001_001-201809121135485.9 ppb
2018-09-12CA4900546_003_003-201809121140ND
2018-10-13CA4900546_003_003-201810131245ND
2018-10-13CA4900546_001_001-201810131235416.6 ppb
2018-11-14CA4900546_003_003-201811141235ND
2018-11-14CA4900546_001_001-201811141230522.2 ppb
2018-12-26CA4900546_001_001-201812261405530.0 ppb
2018-12-26CA4900546_003_003-201812261410ND
2019-01-28CA4900546_003_003-201901281015ND
2019-01-28CA4900546_001_001-201901281017540.0 ppb
2019-02-25CA4900546_001_001-201902251335450.0 ppb
2019-02-25CA4900546_003_003-201902251337ND
2019-03-19CA4900546_003_003-201903191115ND
2019-03-26CA4900546_001_001-201903261215500.0 ppb
2019-03-26CA4900546_003_003-201903261220ND
2019-04-10CA4900546_001_001-201904101210470.0 ppb
2019-04-10CA4900546_003_003-201904101215ND
2019-05-27CA4900546_001_001-201905271335500.0 ppb
2019-05-27CA4900546_003_003-201905271340ND
2019-06-24CA4900546_001_001-201906241040470.0 ppb
2019-06-24CA4900546_003_003-201906241045ND
2019-07-14CA4900546_003_003-201907141240ND
2019-07-14CA4900546_001_001-201907141245490.0 ppb
2019-08-12CA4900546_001_001-201908121105520.0 ppb
2019-08-12CA4900546_003_003-201908121110ND
2019-09-24CA4900546_001_001-201909241130460.0 ppb
2019-09-24CA4900546_003_003-201909241125ND
2019-10-06CA4900546_001_001-201910060805520.0 ppb
2019-10-06CA4900546_003_003-201910060810ND
2019-11-24CA4900546_001_001-201911240835500.0 ppb
2019-11-24CA4900546_003_003-201911240830ND
2019-12-15CA4900546_003_003-201912150820ND
2019-12-15CA4900546_001_001-201912150815520.0 ppb
2020-01-23CA4900546_001_001-202001231355510.0 ppb
2020-01-23CA4900546_003_003-202001231400ND
2020-02-16CA4900546_001_001-202002160800500.0 ppb
2020-02-16CA4900546_003_003-202002160805ND
2020-03-18CA4900546_001_001-202003181305480.0 ppb
2020-03-18CA4900546_003_003-202003181310ND
2020-04-06CA4900546_001_001-202004061100440.0 ppb
2020-04-06CA4900546_003_003-202004061110ND
2020-05-29CA4900546_001_001-202005291240460.0 ppb
2020-05-29CA4900546_003_003-202005291245ND
2020-06-08CA4900546_001_001-202006081415470.0 ppb
2020-06-08CA4900546_003_003-202006081410100.0 ppb
2020-06-25CA4900546_001_001-202006251400490.0 ppb
2020-06-25CA4900546_003_003-202006251410ND
2020-07-20CA4900546_003_003-202007201225ND
2020-07-20CA4900546_001_001-202007201220440.0 ppb
2020-07-20CA4900546_003_003-202007201215ND
2020-08-13CA4900546_003_003-202008130700ND
2020-08-13CA4900546_001_001-202008130700460.0 ppb
2020-08-18CA4900546_001_001-202008181240450.0 ppb
2020-09-22CA4900546_001_001-202009220740490.0 ppb
2020-09-22CA4900546_003_003-20200922073032.0 ppb
2020-10-13CA4900546_001_001-202010131240450.0 ppb
2020-10-13CA4900546_003_003-202010131235ND
2020-11-10CA4900546_001_001-202011101200430.0 ppb
2020-11-10CA4900546_003_003-202011101205ND
2021-01-13CA4900546_003_003-202101131030120.0 ppb
2021-01-13CA4900546_001_001-202101131035490.0 ppb
2021-02-09CA4900546_003_003-202102091145ND
2021-02-09CA4900546_001_001-202102091140480.0 ppb
2021-03-11CA4900546_001_001-202103110750480.0 ppb
2021-03-11CA4900546_003_003-202103110755ND
2021-04-08CA4900546_003_003-202104080745ND
2021-04-08CA4900546_001_001-202104080750440.0 ppb
2021-05-12CA4900546_001_001-202105120810450.0 ppb
2021-05-12CA4900546_003_003-20210512080042.0 ppb
2021-06-08CA4900546_003_003-202106081050ND
2021-06-08CA4900546_001_001-202106081040440.0 ppb
2021-07-05CA4900546_003_003-202107050745430.0 ppb
2021-07-05CA4900546_001_001-202107050750440.0 ppb
2021-09-13CA4900546_001_001-202109130805500.0 ppb
2021-09-13CA4900546_003_003-2021091308102.70 ppb
2021-10-05CA4900546_001_001-202110050815520.0 ppb
2021-10-05CA4900546_003_003-2021100508106.20 ppb
2021-11-03CA4900546_003_003-2021110309506.30 ppb
2021-11-03CA4900546_001_001-202111030940510.0 ppb
2021-12-08CA4900546_001_001-202112080805490.0 ppb
2021-12-08CA4900546_003_003-2021120808103.10 ppb
2022-01-12CA4900546_001_001-20220112075019.0 ppb
2022-01-12CA4900546_003_003-20220112074537.0 ppb
2022-02-08CA4900546_003_003-20220208121414.0 ppb
2022-02-08CA4900546_001_001-202202081220480.0 ppb
2022-03-08CA4900546_001_001-202203080810440.0 ppb
2022-03-08CA4900546_003_003-2022030808152.50 ppb
2022-04-12CA4900546_001_001-202204120815450.0 ppb
2022-04-12CA4900546_003_003-20220412081012.0 ppb
2022-04-12CA4900546_003_003-2022041208107.70 ppb
2022-05-09CA4900546_001_001-202205090815450.0 ppb
2022-05-09CA4900546_003_003-20220509080070.9 ppb
2022-05-09CA4900546_003_003-20220509080012.0 ppb
2022-05-18CA4900546_003_003-2022051808052.80 ppb
2022-05-18CA4900546_001_001-202205180810450.0 ppb
2022-06-13CA4900546_003_003-2022061308152.50 ppb
2022-06-13CA4900546_001_001-202206130810460.0 ppb
2022-06-13CA4900546_003_003-2022061308152.30 ppb
2022-07-12CA4900546_001_001-202207120830460.0 ppb
2022-07-12CA4900546_003_003-2022071208404.90 ppb
2022-07-12CA4900546_003_003-2022071208407.40 ppb
2022-08-09CA4900546_003_003-2022080908207.00 ppb
2022-08-09CA4900546_001_001-202208090815570.0 ppb
2022-08-09CA4900546_003_003-2022080908205.10 ppb
2022-09-13CA4900546_003_003-202209130815ND
2022-09-13CA4900546_001_001-202209130830450.0 ppb
2022-10-05CA4900546_003_003-2022100508109.00 ppb
2022-10-11CA4900546_003_003-202210110900ND
2022-10-11CA4900546_001_001-202210110845440.0 ppb
2022-11-27CA4900546_003_003-202211270740ND
2022-11-27CA4900546_001_001-202211270745420.0 ppb
2022-12-13CA4900546_003_003-2022121308251.000 ppb
2022-12-13CA4900546_001_001-202212130830460.0 ppb
2022-12-13CA4900546_003_003-202212130825ND
2023-01-12CA4900546_001_001-202301121400440.0 ppb
2023-01-12CA4900546_003_003-202301121405ND
2023-01-12CA4900546_003_003-2023011214051.30 ppb
2023-02-14CA4900546_003_003-202302140815ND
2023-02-14CA4900546_003_003-202302140845ND
2023-02-14CA4900546_001_001-202302140830450.0 ppb
2023-03-16CA4900546_001_001-202303160755460.0 ppb
2023-03-16CA4900546_003_003-2023031607502.10 ppb
2023-03-16CA4900546_003_003-202303160750ND
2023-04-10CA4900546_001_001-202304100745460.0 ppb
2023-04-10CA4900546_003_003-2023041007402.10 ppb
2023-04-10CA4900546_003_003-202304100740ND
2023-05-16CA4900546_003_003-2023051608053.40 ppb
2023-05-16CA4900546_001_001-202305160810460.0 ppb
2023-05-16CA4900546_003_003-202305160805ND
2023-06-15CA4900546_003_003-202306150755ND
2023-06-15CA4900546_001_001-202306150750500.0 ppb
2023-06-15CA4900546_003_003-2023061507551.60 ppb
2023-07-16CA4900546_003_003-202307160815ND
2023-07-16CA4900546_003_003-2023071608153.40 ppb
2023-07-16CA4900546_001_001-202307160810450.0 ppb
2023-08-10CA4900546_003_003-202308100750ND
2023-08-10CA4900546_001_001-202308100755430.0 ppb
2023-08-29CA4900546_001_001-202308290810410.0 ppb
2023-09-13CA4900546_003_003-202309130810ND
2023-09-13CA4900546_001_001-202309130805420.0 ppb
2023-09-13CA4900546_003_003-2023091308105.40 ppb
2023-10-09CA4900546_003_003-2023100907504.00 ppb
2023-10-26CA4900546_001_001-202310261300390.0 ppb
2023-10-26CA4900546_003_003-202310261258ND
2023-11-15CA4900546_001_001-202311151155460.0 ppb
2023-11-15CA4900546_003_003-202311151200ND
2023-12-04CA4900546_003_003-202312041405ND
2023-12-04CA4900546_001_001-202312041407410.0 ppb
2023-12-16CA4900546_003_003-202312160800ND
2023-12-16CA4900546_001_001-202312160805420.0 ppb