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EWG's Tap Water Database — 2019 UPDATE

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Nitrate

Matagorda County Water Control and Improvement District 5

Nitrate, a fertilizer chemical, frequently contaminates drinking water due to agricultural and urban runoff, and discharges from municipal wastewater treatment plants and septic tanks. Excessive nitrate in water can cause oxygen deprivation in infants and increase the risk of cancer. Click here to read more about nitrate.

 

9

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012ND10ND
2013ND10ND
20140.01000 ppm110.01000 ppm
20150.01000 ppm110.01000 ppm
2016ND30ND
2017ND20ND

ppm = parts per million

State and national drinking water standards and health guidelines

EWG Health Guideline 0.14 ppm

The EWG Health Guideline of 0.14 ppm for nitrate was defined by EWG . This health guideline protects against cancer and harm to fetal growth and development.

EPA Maximum Contaminant
Level (MCL) 10 ppm

The legal limit for nitrate, established in 1962, was developed to protect infants from acute methemoglobinemia, a life-threatening disorder of oxygen transport in the body. This limit does not fully protect against the risk of cancer and harm to the developing fetus.

ppm = parts per million

All test results

Date Lab ID Result
2012-10-30AC04125ND
2013-09-30AC31594ND
2014-08-12AC629640.01000 ppm
2015-05-21AC929310.01000 ppm
2016-07-21AD45103ND
2016-12-05AD60223ND
2016-12-05AD60150ND
2017-02-08AD69417ND
2017-03-28AD77013ND