Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Warrington Twp Water&sew Dept

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.

 

63

Samples

0

Samples exceeding legal limit (MCL)

2

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2014ND80ND
2015ND90ND
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020ND10ND
2021ND110ND
20220.445 ppt112ND - 3.00 ppt
2023ND240ND

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
2014-11-11831004-12827ND
2014-11-11831006-12827ND
2014-11-11830998-12827ND
2014-11-11831002-12827ND
2014-11-11831008-12827ND
2014-11-11831014-12857ND
2014-11-11831012-12857ND
2014-11-11831016-12857ND
2015-02-09842481-13364ND
2015-05-11859202-14084ND
2015-05-11859194-14084ND
2015-05-11859208-14084ND
2015-05-11859200-14084ND
2015-05-11859204-14084ND
2015-05-11859198-14084ND
2015-05-11859192-14084ND
2015-08-203305497ND
2021-05-1125747894.00ND
2021-05-1125747942.00ND
2021-06-0825747954.00ND
2021-06-0825748002.00ND
2021-08-1025748014.00ND
2021-08-1025748062.00ND
2021-09-3025387446.00ND
2021-11-1625748075.00ND
2021-11-1625748123.00ND
2021-11-1625748135.00ND
2021-12-1625748214.00ND
2022-01-1125926017.00ND
2022-01-1125926065.00ND
2022-05-1026631151.001.90 ppt
2022-05-1026631115.00ND
2022-05-1026631127.00ND
2022-05-1026631139.003.00 ppt
2022-05-1026631163.00ND
2022-08-1027215863.00ND
2022-08-1027215815.00ND
2022-11-1027807348.00ND
2022-11-1027807300.00ND
2023-02-0928333934.00ND
2023-02-0928333886.00ND
2023-03-1428505204.00ND
2023-03-1428505216.00ND
2023-03-1628683836.00ND
2023-03-1628683824.00ND
2023-04-1828881629.00ND
2023-04-1828881689.00ND
2023-04-1828881653.00ND
2023-04-1828881665.00ND
2023-05-1129090282.00ND
2023-05-1129090330.00ND
2023-08-1029477776.00ND
2023-08-1029477824.00ND
2023-11-0930054405.00ND
2023-11-0930054357.00ND
2023-11-1430054783.00ND
2023-11-1430054795.00ND
2023-11-1430054819.00ND
2023-11-1430054831.00ND
2023-11-1430054759.00ND
2023-11-1430054747.00ND
2023-11-1630054867.00ND
2023-11-1630054855.00ND