Know Your Environment. Protect Your Health.

Perfluorononanoic acid (PFNA)

Ringwood 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.

 

54

Samples

0

Samples exceeding legal limit (MCL)

3

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013ND100ND
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20180.220 ppt202ND - 2.30 ppt
2019ND120ND
2020ND30ND
20210.238 ppt93ND - 0.880 ppt
2022ND90ND
2023ND110ND

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
2013-01-22100228PND
2013-01-22100227PND
2013-01-22100226PND
2013-01-22100225QND
2013-04-22101054PND
2013-07-24101654PND
2013-07-24101653PND
2013-07-24101652PND
2013-09-04102014RND
2013-11-04102538QND
2019-02-184206331ND
2019-02-184206329ND
2019-02-184206333ND
2019-05-304312719ND
2019-05-304312721ND
2019-05-304312723ND
2019-08-2710489537001ND
2019-08-2710489537003ND
2019-08-2710489537005ND
2019-11-0410498377005ND
2019-11-0410498377001ND
2019-11-0410498377003ND
2020-02-2410509679001ND
2020-02-2410509679003ND
2020-02-2410509679005ND
2021-03-05012102120-0001ND
2021-03-05012102120-00030.620 ppt
2021-03-05012102120-0005ND
2021-06-01012105827-00010.640 ppt
2021-06-01012105827-00030.880 ppt
2021-08-11210810032-001ND
2021-08-11210810032-003ND
2021-10-21211020040-003ND
2021-10-21211020040-001ND
2022-01-31220130006-001ND
2022-01-31220130006-003ND
2022-01-31220130006-005ND
2022-04-25220424009-001ND
2022-04-25220424009-003ND
2022-07-15220714037-001ND
2022-07-15220714037-003ND
2022-10-04221003007-001ND
2022-10-04221003007-003ND
2023-03-30230328042-003ND
2023-03-30230328042-001ND
2023-03-30230328042-005ND
2023-06-08230607019-003AND
2023-06-08230607019-001AND
2023-09-20230919045-003ND
2023-09-20230919045-001ND
2023-11-28231127045-001AND
2023-12-21231220032-005ND
2023-12-21231220032-003ND
2023-12-21231220032-001ND