Know Your Environment. Protect Your Health.

N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)

Riverdale Park Tract Community Services District

N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) is a member of a group of perfluorinated chemicals used in many consumer products. NMeFOSAA and other perfluorinated chemicals can cause serious health effects, including cancer, endocrine disruption, accelerated puberty, liver and immune system damage, and thyroid changes. These chemicals are persistent in the environment and they accumulate in people. Click here to read more about perfluorinated chemicals.

 

17

Samples

0

Samples exceeding legal limit (MCL)

0

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018N/A00N/A
2019ND30ND
2020ND40ND
2021ND40ND
2022ND40ND
2023ND20ND

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1 ppt

The EWG Health Guideline of 1 ppt for NMeFOSAA was defined by EWG as based on studies by Phillipe Grandjean of Harvard University and many other independent researchers who found reduced effectiveness of vaccines and adverse impacts on mammary gland development from exposure to PFOA and PFOS, the two PFAS most widely detected in drinking water.

ppt = parts per trillion

All test results

Date Lab ID Result
2019-06-18CA5000019_003_003-201906181030ND
2019-09-10CA5000019_003_003-201909101745ND
2019-12-20CA5000019_003_003-201912201101ND
2020-03-30CA5000019_003_003-202003301133ND
2020-04-27CA5000019_003_003-202004271000ND
2020-07-21CA5000019_003_003-202007210800ND
2020-10-07CA5000019_003_003-202010071140ND
2021-01-27CA5000019_003_003-202101270915ND
2021-04-14CA5000019_003_003-202104140929ND
2021-07-21CA5000019_003_003-202107210841ND
2021-10-27CA5000019_003_003-202110271040ND
2022-01-11CA5000019_003_003-202201111000ND
2022-04-11CA5000019_003_003-202204111246ND
2022-07-13CA5000019_003_003-202207131010ND
2022-10-03CA5000019_003_003-202210031350ND
2023-01-03CA5000019_003_003-202301031254ND
2023-05-22CA5000019_003_003-202305221000ND