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EWG's Tap Water Database — 2019 UPDATE

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Cyanide (free)

Northampton Bucks County Municipal Authority

Cyanide is a toxic chemical that causes central nervous system and thyroid toxicity. Water contamination is generally the result of metal mining and chemical industry waste, runoff from agriculture and road salts used for melting ice.

 

15

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2012N/A00N/A
2013N/A00N/A
2014N/A00N/A
2015ND150ND
2016N/A00N/A
2017N/A00N/A

ppb = parts per billion

State and national drinking water standards and health guidelines

EWG Health Guideline 150 ppb

The EWG Health Guideline of 150 ppb for cyanide (free) was defined by the California Office of Environmental Health Hazard Assessment as a public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against harm to the brain and nervous system.

ppb = parts per billion

All test results

Date Lab ID Result
2015-08-2413124434ND
2015-08-2413124518ND
2015-08-2413124530ND
2015-08-2413124542ND
2015-08-2413124578ND
2015-08-2413124590ND
2015-08-2413124602ND
2015-08-2413124458ND
2015-08-2413124446ND
2015-08-2413124470ND
2015-08-2413124554ND
2015-08-2413124566ND
2015-08-2413124494ND
2015-08-2413124506ND
2015-08-2413124482ND