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EWG's Tap Water Database — 2021 UPDATE

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Manganese

City of Bastrop

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.

 

72

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
201422.4 ppb336.20 ppb - 34.8 ppb
201526.0 ppb3319.3 ppb - 30.8 ppb
201620.2 ppb3315.6 ppb - 24.5 ppb
201715.2 ppb32ND - 28.0 ppb
20184.56 ppb339ND - 19.6 ppb
20191.16 ppb273ND - 11.1 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
2014-02-18AC4342226.1 ppb
2014-02-18AC434186.20 ppb
2014-02-18AC4341634.8 ppb
2015-02-02AC7863930.8 ppb
2015-02-02AC7864619.3 ppb
2015-02-02AC7864527.9 ppb
2016-01-25AD1956015.6 ppb
2016-01-25AD1955420.5 ppb
2016-01-25AD1956824.5 ppb
2017-01-10AD6388817.5 ppb
2017-04-05AD7845528.0 ppb
2017-04-05AD78453ND
2018-01-23AE0979918.6 ppb
2018-01-23AE09801ND
2018-01-23AE09800ND
2018-02-19Q1806720001ND
2018-02-19Q180672000319.6 ppb
2018-02-19Q1806720005ND
2018-02-19Q1806720002ND
2018-02-19Q1806720004ND
2018-02-19Q180672000618.7 ppb
2018-03-13Q1809965002ND
2018-03-13Q180996500318.8 ppb
2018-03-13Q180996500610.9 ppb
2018-03-13Q1809965005ND
2018-03-13Q1809965004ND
2018-03-13Q1809965001ND
2018-06-12Q1823107005ND
2018-06-12Q182310700316.7 ppb
2018-06-12Q1823107004ND
2018-06-12Q182310700616.1 ppb
2018-06-12Q1823107002ND
2018-06-12Q1823107001ND
2018-08-28Q1834270004ND
2018-08-28Q1834270005ND
2018-08-28Q183427000614.8 ppb
2018-08-28Q1834270001ND
2018-08-28Q1834270002ND
2018-08-28Q183427000316.4 ppb
2018-11-26Q1847621003ND
2018-11-26Q1847621001ND
2018-11-26Q1847621004ND
2018-11-26Q1847621006ND
2018-11-26Q1847621002ND
2018-11-26Q1847621005ND
2019-01-16AE50032ND
2019-01-16AE50025ND
2019-02-14Q1906769001ND
2019-02-14Q1906769004ND
2019-02-14Q190676900610.2 ppb
2019-02-14Q1906769002ND
2019-02-14Q1906769005ND
2019-02-14Q190676900311.1 ppb
2019-04-11AE6197310.00 ppb
2019-05-07Q1923589001ND
2019-05-07Q1923589004ND
2019-05-07Q1923589005ND
2019-05-07Q1923589002ND
2019-05-07Q1923589006ND
2019-05-07Q1923589003ND
2019-08-21Q1957462001ND
2019-08-21Q1957462006ND
2019-08-21Q1957462005ND
2019-08-21Q1957462003ND
2019-08-21Q1957462004ND
2019-08-21Q1957462002ND
2019-11-12Q1976291001ND
2019-11-12Q1976291005ND
2019-11-12Q1976291006ND
2019-11-12Q1976291002ND
2019-11-12Q1976291004ND
2019-11-12Q1976291003ND