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EWG's Tap Water Database — 2021 UPDATE

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Manganese

City of Tucson

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

 

177

Samples

0

Samples exceeding legal limit (MCL)

1

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
20192.68 ppb169111ND - 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
2019-02-04201902050331ND
2019-02-042019020500930.700 ppb
2019-02-04201902050088ND
2019-02-042019020500910.560 ppb
2019-02-04201902050338ND
2019-02-042019020503330.420 ppb
2019-02-052019020601561.30 ppb
2019-02-052019020601500.400 ppb
2019-02-05201902060385ND
2019-02-052019020603750.580 ppb
2019-02-052019020604030.430 ppb
2019-02-052019020604100.940 ppb
2019-02-062019020708252.00 ppb
2019-02-06201902070600ND
2019-02-062019020707420.510 ppb
2019-02-06201902070737ND
2019-02-06201902070598ND
2019-02-062019020708430.760 ppb
2019-02-07201902080569ND
2019-02-072019020804870.730 ppb
2019-02-07201902080599ND
2019-02-07201902080482ND
2019-02-07201902080464ND
2019-02-07201902080489ND
2019-02-112019021202553.30 ppb
2019-02-112019021202530.660 ppb
2019-02-112019021203080.580 ppb
2019-02-11201902120304ND
2019-02-11201902120260ND
2019-02-112019021201371.000 ppb
2019-02-122019021301411.10 ppb
2019-02-12201902130140ND
2019-02-12201902130138ND
2019-02-122019021301371.70 ppb
2019-02-122019021301420.610 ppb
2019-02-122019021301390.440 ppb
2019-02-132019021402331.20 ppb
2019-02-132019021402350.480 ppb
2019-02-132019021402371.60 ppb
2019-02-13201902140234ND
2019-02-13201902140232ND
2019-02-13201902140236ND
2019-02-142019021502760.630 ppb
2019-02-142019021502781.000 ppb
2019-02-142019021502750.460 ppb
2019-02-14201902150277ND
2019-02-142019021502790.650 ppb
2019-02-192019022002640.620 ppb
2019-02-192019022002621.60 ppb
2019-02-192019022002662.90 ppb
2019-02-192019022002610.500 ppb
2019-02-192019022002631.20 ppb
2019-02-19201902200265ND
2019-02-20201902210281ND
2019-02-20201902210280ND
2019-02-20201902210282ND
2019-02-20201902210279ND
2019-02-20201902210278ND
2019-03-042019030501361.60 ppb
2019-03-042019030501356.00 ppb
2019-03-0420190305013710.00 ppb
2019-03-052019030606771.10 ppb
2019-03-052019030606742.10 ppb
2019-03-052019030606758.60 ppb
2019-03-052019030606761.20 ppb
2019-03-0620190307017345.0 ppb
2019-03-062019030701722.00 ppb
2019-03-062019030701714.30 ppb
2019-03-062019030701702.10 ppb
2019-03-072019030801742.40 ppb
2019-03-0720190308017125.0 ppb
2019-03-072019030801731.20 ppb
2019-03-072019030801723.80 ppb
2019-03-112019031202890.550 ppb
2019-03-14201903150417ND
2019-03-182019031903082.20 ppb
2019-03-182019031903104.20 ppb
2019-03-182019031903090.760 ppb
2019-03-1920190320040310.00 ppb
2019-03-192019032004046.80 ppb
2019-05-132019051502580.930 ppb
2019-05-15201905170297ND
2019-05-30201905310140ND
2019-05-302019053101390.420 ppb
2019-05-302019053101382.60 ppb
2019-06-252019062600654.40 ppb
2019-08-05201908060285ND
2019-08-052019080602840.480 ppb
2019-08-052019080602823.20 ppb
2019-08-052019080602830.470 ppb
2019-08-062019080705601.10 ppb
2019-08-06201908070558ND
2019-08-0620190807055919.0 ppb
2019-08-13201908140571ND
2019-08-14201908150707ND
2019-08-192019082001000.450 ppb
2019-08-19201908200099ND
2019-08-19201908200098ND
2019-08-20201908210204ND
2019-08-202019082102051.20 ppb
2019-08-202019082102031.60 ppb
2019-08-202019082102022.30 ppb
2019-08-212019082203571.20 ppb
2019-08-212019082203582.00 ppb
2019-08-212019082203590.720 ppb
2019-08-212019082203600.620 ppb
2019-08-222019082300940.640 ppb
2019-08-22201908230095ND
2019-08-22201908230097ND
2019-08-222019082300960.610 ppb
2019-08-262019082701241.30 ppb
2019-08-26201908270126ND
2019-08-262019082701230.400 ppb
2019-08-26201908270125ND
2019-08-27201908280229ND
2019-08-272019082802300.710 ppb
2019-08-272019082801980.760 ppb
2019-08-272019082801970.790 ppb
2019-08-27201908280200ND
2019-08-27201908280199ND
2019-08-282019082902650.590 ppb
2019-08-28201908290264ND
2019-08-282019082902623.20 ppb
2019-08-282019082902634.20 ppb
2019-08-2920190830012811.0 ppb
2019-08-292019083001210.440 ppb
2019-08-292019083001181.000 ppb
2019-08-29201908300120ND
2019-08-292019083001190.650 ppb
2019-09-032019090501790.490 ppb
2019-09-04201909050201ND
2019-09-04201909050200ND
2019-09-042019090502020.570 ppb
2019-09-05201909060161ND
2019-09-05201909060246ND
2019-09-05201909060247ND
2019-09-052019090602450.400 ppb
2019-09-052019090601605.10 ppb
2019-09-092019091005670.700 ppb
2019-09-092019091005152.70 ppb
2019-09-092019091005160.410 ppb
2019-09-09201909100566ND
2019-09-092019091005650.430 ppb
2019-09-09201909100564ND
2019-09-09201909100508120.0 ppb
2019-09-10201909110403ND
2019-09-102019091102735.80 ppb
2019-09-1020190911027213.0 ppb
2019-09-112019091201752.00 ppb
2019-09-11201909120174ND
2019-09-112019091300704.40 ppb
2019-09-1120190913006912.0 ppb
2019-09-112019091201562.30 ppb
2019-09-11201909120157ND
2019-09-122019091301040.600 ppb
2019-09-122019091301050.680 ppb
2019-09-122019091301032.40 ppb
2019-09-1220190913017021.0 ppb
2019-09-12201909130188ND
2019-09-122019091301870.680 ppb
2019-09-162019091702961.90 ppb
2019-09-162019091706060.650 ppb
2019-10-07201910080390ND
2019-10-07201910080389ND
2019-10-092019101102721.40 ppb
2019-10-092019101102732.80 ppb
2019-10-242019102501141.90 ppb
2019-10-302019103101206.30 ppb
2019-11-072019110802270.640 ppb
2020-02-06202002070084ND
2020-02-062020020700851.60 ppb
2020-02-062020020700860.520 ppb
2020-02-182020021901771.40 ppb
2020-08-052020080602950.460 ppb
2020-08-052020080602940.680 ppb
2020-08-052020080602961.10 ppb
2020-08-052020080602970.880 ppb