Know Your Environment. Protect Your Health.

Perfluorooctane sulfonate (PFOS)

Woodbury

Perfluorooctane sulfonate (PFOS) is a member of a group of perfluorinated chemicals used in many consumer products. PFOS 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.

 

316

Samples

0

Samples exceeding legal limit (MCL)

120

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
20206.67 ppt4913ND - 36.0 ppt
20215.47 ppt9135ND - 31.0 ppt
20224.85 ppt8540ND - 28.0 ppt
20233.93 ppt9132ND - 33.0 ppt
2024N/A00N/A

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.3 ppt

The EWG Health Guideline of 0.3 ppt for PFOS was defined by EPA's final toxicity value from the Office of Water’s Final Human Health Toxicity Assessment. This health guideline protects againat cardiovascular harm and harm to fetal growth.

EPA Maximum Contaminant
Level (MCL): 4 ppt

ppt = parts per trillion

All test results

Date Lab ID Result
2020-01-2120A0771-01ND
2020-06-2220F1776-0215.0 ppt
2020-06-2220F1776-0327.0 ppt
2020-06-2220F1776-0426.0 ppt
2020-06-2220F1777-0121.0 ppt
2020-06-2220F1777-0222.0 ppt
2020-06-2220F1777-03ND
2020-06-2220F1777-04ND
2020-06-2220F1778-01ND
2020-06-2220F1778-02ND
2020-06-2220F1778-03ND
2020-06-2220F1778-04ND
2020-06-2220F1779-01ND
2020-06-2220F1779-02ND
2020-08-2520H1965-02ND
2020-08-2520H1965-03ND
2020-08-2520H1965-0421.0 ppt
2020-08-2520H1968-0127.0 ppt
2020-08-2520H1968-02ND
2020-08-2520H1968-03ND
2020-08-2520H1968-0428.0 ppt
2020-08-2520H1977-01ND
2020-08-2520H1977-02ND
2020-08-2520H1977-03ND
2020-08-2520H1977-04ND
2020-08-2520H1981-01ND
2020-08-2520H1981-02ND
2020-08-2520H1981-03ND
2020-08-2520H1981-04ND
2020-08-2520H1985-01ND
2020-08-2520H1985-0229.0 ppt
2020-08-2520H1985-0336.0 ppt
2020-08-2520H1985-04ND
2020-08-2520H1988-01ND
2020-08-2520H1988-02ND
2020-08-2520H1988-03ND
2020-08-2520H1988-04ND
2020-11-1220K0569-01ND
2020-11-1220K0569-02ND
2020-11-1220K0569-03ND
2020-11-1220K0569-04ND
2020-11-1220K0571-01ND
2020-11-1220K0571-02ND
2020-11-1220K0571-03ND
2020-11-1220K0571-04ND
2020-11-1220K0573-0119.0 ppt
2020-11-1220K0573-0228.0 ppt
2020-11-1220K0573-0328.0 ppt
2020-11-1220K0573-04ND
2021-03-0921C0454-01ND
2021-03-0921C0454-02ND
2021-03-0921C0454-03ND
2021-03-0921C0454-04ND
2021-03-0921C0456-01ND
2021-03-0921C0456-02ND
2021-03-0921C0456-03ND
2021-03-0921C0456-0429.0 ppt
2021-03-0921C0457-0116.0 ppt
2021-03-0921C0457-02ND
2021-03-0921C0457-0330.0 ppt
2021-03-0921C0457-04ND
2021-03-0921C0460-012.90 ppt
2021-04-2721D1534-01ND
2021-04-2721D1534-0224.0 ppt
2021-04-2721D1534-03ND
2021-04-2721D1534-04ND
2021-04-2721D1535-01ND
2021-04-2721D1535-0231.0 ppt
2021-04-2721D1535-03ND
2021-04-2721D1535-04ND
2021-04-2721D1536-01ND
2021-04-2721D1536-02ND
2021-04-2721D1536-03ND
2021-04-2721D1536-04ND
2021-04-2721D1537-01ND
2021-04-2721D1537-02ND
2021-04-2721D1537-03ND
2021-04-2721D1538-0118.0 ppt
2021-04-2721D1538-0226.0 ppt
2021-04-2721D1538-0326.0 ppt
2021-04-2721D1538-04ND
2021-04-2721D1539-013.20 ppt
2021-04-2721D1539-02ND
2021-04-2721D1540-01ND
2021-04-2721D1540-02ND
2021-04-2721D1540-03ND
2021-04-2721D1542-02ND
2021-04-2721D1542-03ND
2021-04-2721D1542-04ND
2021-07-1421G0701-014.70 ppt
2021-07-1421G0701-025.80 ppt
2021-07-1421G0701-032.50 ppt
2021-07-1421G0701-045.70 ppt
2021-07-1421G0701-052.50 ppt
2021-07-1421G0701-062.70 ppt
2021-07-1421G0701-072.30 ppt
2021-07-1421G0701-08ND
2021-07-1421G0702-01ND
2021-07-1421G0702-02ND
2021-07-1421G0702-03ND
2021-07-1421G0702-04ND
2021-07-1421G0704-01ND
2021-07-1421G0704-02ND
2021-07-1421G0704-03ND
2021-07-1421G0704-04ND
2021-07-1421G0705-0116.0 ppt
2021-07-1421G0705-0228.0 ppt
2021-07-1421G0705-0328.0 ppt
2021-07-1421G0705-04ND
2021-07-1421G0705-0525.0 ppt
2021-07-1421G0705-06ND
2021-07-1421G0705-07ND
2021-07-1421G0705-08ND
2021-07-1421G0705-09ND
2021-07-1421G0705-10ND
2021-07-1421G0705-11ND
2021-07-1521G0890-0130.0 ppt
2021-10-2721J1484-0114.0 ppt
2021-10-2721J1484-0211.0 ppt
2021-10-2721J1484-032.40 ppt
2021-10-2721J1484-047.20 ppt
2021-10-2721J1484-053.00 ppt
2021-10-2721J1484-063.10 ppt
2021-10-2721J1484-072.50 ppt
2021-10-2721J1484-08ND
2021-10-2721J1487-0117.0 ppt
2021-10-2721J1487-0227.0 ppt
2021-10-2721J1487-0326.0 ppt
2021-10-2721J1487-04ND
2021-10-2721J1487-05ND
2021-10-2721J1487-06ND
2021-10-2721J1487-07ND
2021-10-2721J1487-08ND
2021-10-2721J1487-09ND
2021-10-2721J1487-10ND
2021-10-2721J1487-11ND
2021-12-1521L0616-01ND
2021-12-1521L0616-0212.0 ppt
2021-12-1521L0616-037.50 ppt
2021-12-1521L0616-045.90 ppt
2022-02-0122B0059-014.60 ppt
2022-02-0122B0059-0210.00 ppt
2022-02-0122B0059-031.70 ppt
2022-02-0122B0059-046.40 ppt
2022-02-0122B0059-053.70 ppt
2022-02-0122B0059-062.40 ppt
2022-02-0122B0063-0118.0 ppt
2022-02-0122B0063-0226.0 ppt
2022-02-0122B0063-0326.0 ppt
2022-02-0122B0063-04ND
2022-02-0122B0063-05ND
2022-02-0122B0063-06ND
2022-02-0122B0063-07ND
2022-02-0122B0063-08ND
2022-02-0122B0063-09ND
2022-02-0122B0063-10ND
2022-02-0122B0063-11ND
2022-05-1922E1650-01ND
2022-05-1922E1653-01ND
2022-05-1922E1653-0228.0 ppt
2022-05-1922E1653-0326.0 ppt
2022-05-1922E1653-04ND
2022-05-1922E1653-05ND
2022-05-1922E1653-06ND
2022-05-1922E1653-07ND
2022-05-1922E1653-08ND
2022-05-1922E1653-09ND
2022-05-1922E1653-10ND
2022-05-1922E1653-11ND
2022-05-1922E1653-12ND
2022-05-1922E1659-012.10 ppt
2022-05-1922E1659-026.90 ppt
2022-05-1922E1659-033.00 ppt
2022-05-1922E1659-043.00 ppt
2022-06-0222F0133-014.60 ppt
2022-06-0222F0133-023.20 ppt
2022-09-2122I1871-011.90 ppt
2022-09-2122I1871-022.90 ppt
2022-09-2122I1871-031.30 ppt
2022-09-2122I1871-047.90 ppt
2022-09-2122I1871-053.20 ppt
2022-09-2122I1871-064.00 ppt
2022-09-2122I1871-070.380 ppt
2022-09-2122I1871-080.620 ppt
2022-09-2122I1871-09ND
2022-09-2122I1872-01ND
2022-09-2122I1872-02ND
2022-09-2122I1872-03ND
2022-09-2122I1872-0526.0 ppt
2022-09-2122I1872-0628.0 ppt
2022-09-2122I1873-01ND
2022-09-2122I1873-0215.0 ppt
2022-09-2122I1873-03ND
2022-09-2122I1873-0426.0 ppt
2022-09-2122I1873-0527.0 ppt
2022-09-2122I1873-06ND
2022-09-2122I1873-07ND
2022-09-2122I1873-08ND
2022-09-2122I1873-09ND
2022-09-2122I1873-10ND
2022-09-2122I1873-11ND
2022-09-2122I1873-12ND
2022-12-1522L0869-011.60 ppt
2022-12-1522L0869-022.50 ppt
2022-12-1522L0869-037.50 ppt
2022-12-1522L0869-043.20 ppt
2022-12-1522L0869-053.40 ppt
2022-12-1522L0869-06ND
2022-12-1522L0869-070.660 ppt
2022-12-1522L0869-08ND
2022-12-1522L0869-092.40 ppt
2022-12-1522L0870-01ND
2022-12-1522L0870-02ND
2022-12-1522L0870-03ND
2022-12-1522L0872-01ND
2022-12-1522L0872-0216.0 ppt
2022-12-1522L0872-0327.0 ppt
2022-12-1522L0872-0428.0 ppt
2022-12-1522L0872-05ND
2022-12-1522L0872-06ND
2022-12-1522L0872-07ND
2022-12-1522L0872-08ND
2022-12-1522L0872-09ND
2022-12-1522L0872-10ND
2022-12-1522L0872-11ND
2023-03-1323C0641-01ND
2023-03-1323C0641-0216.0 ppt
2023-03-1323C0641-03ND
2023-03-1323C0641-0431.0 ppt
2023-03-1323C0641-0532.0 ppt
2023-03-1323C0641-06ND
2023-03-1323C0641-07ND
2023-03-1323C0641-08ND
2023-03-1323C0641-09ND
2023-03-1323C0641-10ND
2023-03-1323C0641-11ND
2023-03-1323C0641-12ND
2023-03-1323C0642-01ND
2023-03-1323C0642-02ND
2023-03-1323C0642-03ND
2023-03-1332300824-1ND
2023-03-1332300824-38.37 ppt
2023-03-1432300824-5ND
2023-03-1432300824-7ND
2023-03-1432300824-9ND
2023-06-0723F0523-011.80 ppt
2023-06-0723F0523-022.00 ppt
2023-06-0723F0523-030.780 ppt
2023-06-0723F0523-044.90 ppt
2023-06-0723F0523-053.00 ppt
2023-06-0723F0523-062.90 ppt
2023-06-0723F0523-070.350 ppt
2023-06-0723F0523-080.600 ppt
2023-06-0723F0523-09ND
2023-06-0723F0523-102.30 ppt
2023-06-0723F0523-11ND
2023-06-0723F0523-13ND
2023-06-0723F0525-01ND
2023-06-0723F0525-0219.0 ppt
2023-06-0723F0525-03ND
2023-06-0723F0525-0429.0 ppt
2023-06-0723F0525-0530.0 ppt
2023-06-0723F0525-06ND
2023-06-0723F0525-07ND
2023-06-0723F0525-08ND
2023-06-0723F0525-09ND
2023-06-0723F0525-10ND
2023-06-0723F0525-11ND
2023-06-0723F0525-12ND
2023-06-0723F0527-01ND
2023-06-0723F0527-02ND
2023-09-0732303085-3ND
2023-09-0732303085-73.69 ppt
2023-09-0732303085-9ND
2023-09-1923I1034-01ND
2023-09-1923I1034-02ND
2023-09-1923I1034-03ND
2023-09-1923I1034-0425.0 ppt
2023-09-1923I1034-0531.0 ppt
2023-09-1923I1034-06ND
2023-09-1923I1034-07ND
2023-09-1923I1034-08ND
2023-09-1923I1034-09ND
2023-09-1923I1034-10ND
2023-09-1923I1034-11ND
2023-09-1923I1034-12ND
2023-09-1923I1035-01ND
2023-09-1923I1036-01ND
2023-09-1923I1036-02ND
2023-09-1932303085-1ND
2023-09-1932303085-5ND
2023-12-2023L0782-012.30 ppt
2023-12-2023L0782-022.20 ppt
2023-12-2023L0782-030.850 ppt
2023-12-2023L0782-043.30 ppt
2023-12-2023L0782-052.80 ppt
2023-12-2023L0782-060.490 ppt
2023-12-2023L0782-070.620 ppt
2023-12-2023L0782-080.370 ppt
2023-12-2023L0782-093.00 ppt
2023-12-2023L0782-10ND
2023-12-2023L0782-11ND
2023-12-2023L0784-01ND
2023-12-2023L0784-0221.0 ppt
2023-12-2023L0784-0316.0 ppt
2023-12-2023L0784-0428.0 ppt
2023-12-2023L0784-0533.0 ppt
2023-12-2023L0784-06ND
2023-12-2023L0784-07ND
2023-12-2023L0784-08ND
2023-12-2023L0784-09ND
2023-12-2023L0784-10ND
2023-12-2023L0784-11ND
2023-12-2023L0784-12ND
2023-12-2023L0784-13ND
2023-12-2023L0784-14ND