Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Manchester Water Department

Perfluorononanoic acid, otherwise known as PFNA or C9, is a PFC similar in function and use to PFOA. These chemicals were used in the production of non-stick, stain repellent and chemically inert coatings. Click here to read more about perfluorinated chemicals.

 

24

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020N/A00N/A
2021N/A00N/A
2022N/A00N/A
2023ND60ND
2024ND180ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.006 ppt

The EWG Health Guideline of 6 ppt for perfluorononanoic acid was defined by EPA recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review . This health guideline harm to the immune system and harm to fetal growth and child development.

EPA Maximum Contaminant
Level (MCL): 10 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2023-10-1735835875001SE1ND
2023-10-1735835875003SE1ND
2023-10-1735835875011SE1ND
2023-10-1735835875009SE1ND
2023-10-1735835875007SE1ND
2023-10-1735835875005SE1ND
2024-01-2435856427001SE2ND
2024-01-2435856427009SE2ND
2024-01-2435856427007SE2ND
2024-01-2435856427005SE2ND
2024-01-2435856427003SE2ND
2024-02-2135862488001SE1ND
2024-04-2335875612005SE3ND
2024-04-2335875612003SE3ND
2024-04-2335875626003SE2ND
2024-04-2335875612007SE3ND
2024-04-2435875626001SE2ND
2024-04-2435875612001SE3ND
2024-04-2435875612009SE3ND
2024-07-2235894139005SE4ND
2024-07-2235894139003SE4ND
2024-07-2235894139001SE4ND
2024-07-2235894139007SE4ND
2024-07-2335894139009SE4ND