Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Coast Springs - Cal. Water Service (puc)

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.

 

30

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
2018N/A00N/A
2019N/A00N/A
2020ND110ND
2021N/A00N/A
2022N/A00N/A
2023ND190ND

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
2020-04-02CA2110007_004_004-202004021230ND
2020-04-02CA2110007_002_002-202004021130ND
2020-04-02CA2110007_008_008-202004021210ND
2020-06-02CA2110007_015_015-202006021115ND
2020-06-02CA2110007_001_001-202006021100ND
2020-06-22CA2110007_016_016-202006221145ND
2020-06-23CA2110007_005_005-202006231115ND
2020-06-24CA2110007_003_003-202006241135ND
2020-09-22CA2110007_010_010-202009221130ND
2020-09-22CA2110007_007_007-202009221100ND
2020-10-05CA2110007_006_006-202010050730ND
2023-03-22CA2110007_015_015-202303221030ND
2023-03-22CA2110007_015_015-202303221020ND
2023-06-15CA2110007_001_001-202306151030ND
2023-06-19CA2110007_016_016-202306191000ND
2023-06-19CA2110007_016_016-202306191000ND
2023-06-19CA2110007_005_005-202306190930ND
2023-06-21CA2110007_007_007-202306210940ND
2023-06-21CA2110007_007_007-202306210940ND
2023-06-21CA2110007_006_006-202306210850ND
2023-06-21CA2110007_006_006-202306210850ND
2023-06-22CA2110007_008_008-202306221135ND
2023-06-22CA2110007_008_008-202306221120ND
2023-06-27CA2110007_004_004-202306270930ND
2023-06-27CA2110007_004_004-202306270930ND
2023-06-28CA2110007_002_002-202306280945ND
2023-06-28CA2110007_002_002-202306280945ND
2023-06-29CA2110007_005_005-202306291200ND
2023-07-18CA2110007_010_010-202307181145ND
2023-07-18CA2110007_010_010-202307181150ND