Know Your Environment. Protect Your Health.

Perfluorohexanoic Acid (PFHxA)

Devens Massdevelopment

Perfluorohexanoic acid is a member of a group of perfluorinated chemicals used in many consumer products. 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.

 

528

Samples

0

Samples exceeding legal limit (MCL)

245

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2013N/A00N/A
2014N/A00N/A
2015N/A00N/A
2016N/A00N/A
2017N/A00N/A
20185.83 ppt76ND - 13.0 ppt
20191.06 ppt286ND - 8.13 ppt
2020N/A00N/A
20213.42 ppt193134ND - 18.0 ppt
20221.99 ppt17188ND - 13.9 ppt
20231.58 ppt12956ND - 14.0 ppt

ppt = parts per trillion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 1,000 ppt

The EWG Health Guideline of 1,000 ppt for perfluorohexanoic acid was defined by EPA's toxicity value published in the Integrated Risk Information System's toxicological review. This health guideline protects against harm to fetal growth and child development.

ppt = parts per trillion

All test results

Date Result
2018-02-2713.0 ppt
2018-05-148.40 ppt
2018-05-142.30 ppt
2018-08-037.64 ppt
2018-08-032.00 ppt
2018-10-257.48 ppt
2018-10-25ND
2019-02-208.13 ppt
2019-02-202.50 ppt
2019-05-216.90 ppt
2019-05-215.12 ppt
2019-08-02ND
2019-08-205.96 ppt
2019-08-20ND
2019-09-03ND
2019-09-03ND
2019-09-18ND
2019-09-18ND
2019-09-25ND
2019-10-02ND
2019-10-02ND
2019-10-09ND
2019-10-15ND
2019-10-15ND
2019-10-23ND
2019-10-30ND
2019-10-30ND
2019-11-06ND
2019-11-13ND
2019-11-131.13 ppt
2019-11-20ND
2019-11-25ND
2019-11-25ND
2019-12-04ND
2019-12-18ND
2021-01-06ND
2021-01-06ND
2021-01-061.20 ppt
2021-01-06ND
2021-01-0614.4 ppt
2021-01-067.40 ppt
2021-01-067.60 ppt
2021-01-06ND
2021-01-065.30 ppt
2021-01-067.90 ppt
2021-01-063.90 ppt
2021-01-063.30 ppt
2021-01-063.00 ppt
2021-01-067.50 ppt
2021-01-131.80 ppt
2021-01-13ND
2021-01-131.70 ppt
2021-01-13ND
2021-01-13ND
2021-01-133.00 ppt
2021-02-039.65 ppt
2021-02-031.56 ppt
2021-02-03ND
2021-02-03ND
2021-02-03ND
2021-02-037.46 ppt
2021-02-035.05 ppt
2021-02-036.92 ppt
2021-02-0317.2 ppt
2021-02-030.681 ppt
2021-02-034.55 ppt
2021-02-17ND
2021-02-172.22 ppt
2021-02-1718.0 ppt
2021-02-243.69 ppt
2021-02-24ND
2021-02-240.818 ppt
2021-02-241.42 ppt
2021-02-24ND
2021-02-24ND
2021-02-242.25 ppt
2021-03-025.94 ppt
2021-03-02ND
2021-03-022.31 ppt
2021-03-0216.7 ppt
2021-03-02ND
2021-03-021.75 ppt
2021-03-028.10 ppt
2021-03-02ND
2021-03-025.10 ppt
2021-03-104.05 ppt
2021-03-10ND
2021-03-10ND
2021-03-100.702 ppt
2021-03-10ND
2021-03-100.842 ppt
2021-03-101.10 ppt
2021-03-1716.0 ppt
2021-03-174.21 ppt
2021-03-17ND
2021-03-24ND
2021-03-24ND
2021-03-241.02 ppt
2021-03-243.16 ppt
2021-03-24ND
2021-03-24ND
2021-03-241.62 ppt
2021-03-3114.0 ppt
2021-03-315.80 ppt
2021-03-31ND
2021-03-31ND
2021-04-08ND
2021-04-08ND
2021-04-080.704 ppt
2021-04-08ND
2021-04-19ND
2021-06-021.15 ppt
2021-06-020.836 ppt
2021-06-021.32 ppt
2021-06-02ND
2021-06-02ND
2021-06-022.65 ppt
2021-06-020.930 ppt
2021-06-096.56 ppt
2021-06-0911.2 ppt
2021-06-092.24 ppt
2021-06-16ND
2021-06-16ND
2021-06-160.672 ppt
2021-06-161.04 ppt
2021-06-160.887 ppt
2021-06-23ND
2021-06-236.71 ppt
2021-06-231.40 ppt
2021-06-23ND
2021-06-2313.0 ppt
2021-07-072.94 ppt
2021-07-078.86 ppt
2021-07-078.21 ppt
2021-07-07ND
2021-07-077.51 ppt
2021-07-079.15 ppt
2021-07-074.34 ppt
2021-07-077.50 ppt
2021-07-078.58 ppt
2021-07-0715.6 ppt
2021-07-076.63 ppt
2021-07-078.77 ppt
2021-07-078.77 ppt
2021-07-078.44 ppt
2021-07-140.915 ppt
2021-07-143.14 ppt
2021-07-140.943 ppt
2021-07-14ND
2021-07-140.713 ppt
2021-07-14ND
2021-07-2113.5 ppt
2021-07-21ND
2021-07-212.85 ppt
2021-07-210.666 ppt
2021-07-218.58 ppt
2021-07-281.18 ppt
2021-07-280.800 ppt
2021-07-280.781 ppt
2021-07-28ND
2021-07-282.22 ppt
2021-07-28ND
2021-07-281.59 ppt
2021-08-052.44 ppt
2021-08-055.79 ppt
2021-08-055.72 ppt
2021-08-057.56 ppt
2021-08-111.53 ppt
2021-08-11ND
2021-08-11ND
2021-08-110.905 ppt
2021-08-112.08 ppt
2021-08-111.16 ppt
2021-08-11ND
2021-08-180.934 ppt
2021-08-183.83 ppt
2021-08-181.75 ppt
2021-08-1811.9 ppt
2021-08-181.37 ppt
2021-08-251.11 ppt
2021-08-251.33 ppt
2021-08-25ND
2021-08-251.62 ppt
2021-08-251.94 ppt
2021-08-25ND
2021-08-250.888 ppt
2021-09-08ND
2021-09-081.24 ppt
2021-09-08ND
2021-09-08ND
2021-09-081.56 ppt
2021-09-082.29 ppt
2021-09-08ND
2021-10-06ND
2021-10-069.91 ppt
2021-10-06ND
2021-10-069.83 ppt
2021-10-0610.3 ppt
2021-10-063.45 ppt
2021-10-069.70 ppt
2021-10-060.968 ppt
2021-10-061.13 ppt
2021-10-060.968 ppt
2021-10-068.53 ppt
2021-10-069.32 ppt
2021-10-061.60 ppt
2021-10-062.21 ppt
2021-10-061.28 ppt
2021-10-064.75 ppt
2021-10-060.864 ppt
2021-10-067.96 ppt
2021-10-068.35 ppt
2021-10-069.61 ppt
2021-12-029.77 ppt
2021-12-0210.2 ppt
2021-12-0210.4 ppt
2021-12-027.89 ppt
2021-12-0210.3 ppt
2021-12-023.68 ppt
2021-12-027.34 ppt
2021-12-081.63 ppt
2021-12-081.48 ppt
2021-12-08ND
2021-12-08ND
2021-12-08ND
2021-12-08ND
2021-12-081.10 ppt
2021-12-08ND
2022-01-051.54 ppt
2022-01-051.18 ppt
2022-01-05ND
2022-01-05ND
2022-01-0513.9 ppt
2022-01-05ND
2022-01-051.07 ppt
2022-01-05ND
2022-01-05ND
2022-01-129.13 ppt
2022-01-127.37 ppt
2022-01-129.71 ppt
2022-01-129.31 ppt
2022-01-123.70 ppt
2022-01-125.80 ppt
2022-01-129.27 ppt
2022-01-128.79 ppt
2022-02-02ND
2022-02-021.27 ppt
2022-02-02ND
2022-02-021.33 ppt
2022-02-02ND
2022-02-020.840 ppt
2022-02-022.93 ppt
2022-02-02ND
2022-02-098.92 ppt
2022-02-094.63 ppt
2022-02-099.03 ppt
2022-02-098.54 ppt
2022-02-098.95 ppt
2022-02-098.56 ppt
2022-02-095.42 ppt
2022-03-091.20 ppt
2022-03-091.20 ppt
2022-03-091.10 ppt
2022-03-09ND
2022-03-09ND
2022-03-093.70 ppt
2022-03-09ND
2022-03-09ND
2022-03-167.40 ppt
2022-03-1612.0 ppt
2022-03-168.70 ppt
2022-03-164.40 ppt
2022-03-165.10 ppt
2022-03-1610.00 ppt
2022-03-1611.0 ppt
2022-04-13ND
2022-04-131.80 ppt
2022-04-135.10 ppt
2022-04-130.930 ppt
2022-04-130.930 ppt
2022-04-13ND
2022-04-13ND
2022-04-13ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-19ND
2022-04-191.40 ppt
2022-04-19ND
2022-04-19ND
2022-05-041.30 ppt
2022-05-041.90 ppt
2022-05-04ND
2022-05-046.90 ppt
2022-05-040.840 ppt
2022-05-04ND
2022-05-04ND
2022-05-040.690 ppt
2022-05-16ND
2022-05-161.70 ppt
2022-05-16ND
2022-05-16ND
2022-05-16ND
2022-05-16ND
2022-05-16ND
2022-05-27ND
2022-05-2713.0 ppt
2022-06-086.00 ppt
2022-06-081.40 ppt
2022-06-081.80 ppt
2022-06-08ND
2022-06-08ND
2022-06-08ND
2022-06-081.50 ppt
2022-06-084.00 ppt
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-14ND
2022-06-140.880 ppt
2022-07-131.90 ppt
2022-07-13ND
2022-07-13ND
2022-07-131.80 ppt
2022-07-13ND
2022-07-20ND
2022-07-20ND
2022-07-20ND
2022-07-200.940 ppt
2022-07-20ND
2022-07-200.720 ppt
2022-08-031.90 ppt
2022-08-03ND
2022-08-03ND
2022-08-03ND
2022-08-031.70 ppt
2022-08-03ND
2022-08-03ND
2022-08-180.600 ppt
2022-08-18ND
2022-08-182.00 ppt
2022-08-184.20 ppt
2022-08-18ND
2022-08-182.90 ppt
2022-08-18ND
2022-09-010.720 ppt
2022-09-01ND
2022-09-07ND
2022-09-07ND
2022-09-071.50 ppt
2022-09-07ND
2022-09-07ND
2022-09-07ND
2022-09-071.70 ppt
2022-09-14ND
2022-09-14ND
2022-09-14ND
2022-09-144.30 ppt
2022-09-140.690 ppt
2022-09-142.20 ppt
2022-10-051.50 ppt
2022-10-05ND
2022-10-051.10 ppt
2022-10-05ND
2022-10-125.00 ppt
2022-10-122.30 ppt
2022-10-125.00 ppt
2022-10-120.780 ppt
2022-10-12ND
2022-10-12ND
2022-10-12ND
2022-11-02ND
2022-11-02ND
2022-11-02ND
2022-11-02ND
2022-11-021.10 ppt
2022-11-021.80 ppt
2022-11-106.80 ppt
2022-11-10ND
2022-11-10ND
2022-11-103.20 ppt
2022-11-106.40 ppt
2022-11-100.920 ppt
2022-11-10ND
2022-12-071.20 ppt
2022-12-074.40 ppt
2022-12-07ND
2022-12-074.70 ppt
2022-12-07ND
2022-12-07ND
2022-12-072.10 ppt
2022-12-07ND
2022-12-070.770 ppt
2022-12-070.660 ppt
2022-12-07ND
2022-12-070.620 ppt
2022-12-070.870 ppt
2023-01-11ND
2023-01-1114.0 ppt
2023-01-11ND
2023-01-183.90 ppt
2023-01-186.00 ppt
2023-01-188.00 ppt
2023-01-1810.00 ppt
2023-01-181.30 ppt
2023-01-180.890 ppt
2023-01-181.40 ppt
2023-01-181.40 ppt
2023-02-03ND
2023-02-03ND
2023-02-148.90 ppt
2023-02-141.90 ppt
2023-02-142.10 ppt
2023-02-145.90 ppt
2023-02-147.40 ppt
2023-02-141.70 ppt
2023-02-142.30 ppt
2023-02-24ND
2023-02-243.30 ppt
2023-02-24ND
2023-02-242.30 ppt
2023-02-24ND
2023-03-01ND
2023-03-01ND
2023-03-01ND
2023-03-011.60 ppt
2023-03-01ND
2023-03-01ND
2023-03-087.60 ppt
2023-03-089.60 ppt
2023-03-081.80 ppt
2023-03-085.60 ppt
2023-03-082.00 ppt
2023-03-082.60 ppt
2023-03-082.30 ppt
2023-04-04ND
2023-04-04ND
2023-04-04ND
2023-04-065.50 ppt
2023-04-062.46 ppt
2023-04-069.92 ppt
2023-04-062.12 ppt
2023-04-062.82 ppt
2023-04-068.07 ppt
2023-04-061.84 ppt
2023-04-191.79 ppt
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-19ND
2023-04-28ND
2023-04-28ND
2023-04-2813.0 ppt
2023-05-03ND
2023-05-03ND
2023-05-032.03 ppt
2023-05-12ND
2023-05-26ND
2023-06-07ND
2023-06-072.12 ppt
2023-06-070.598 ppt
2023-06-07ND
2023-06-09ND
2023-06-23ND
2023-07-07ND
2023-07-11ND
2023-07-11ND
2023-07-111.96 ppt
2023-07-110.690 ppt
2023-07-18ND
2023-07-211.56 ppt
2023-08-04ND
2023-08-080.760 ppt
2023-08-08ND
2023-08-08ND
2023-08-081.60 ppt
2023-08-081.60 ppt
2023-08-18ND
2023-09-01ND
2023-09-01ND
2023-09-19ND
2023-09-19ND
2023-09-19ND
2023-09-19ND
2023-09-192.40 ppt
2023-09-19ND
2023-09-29ND
2023-09-292.00 ppt
2023-10-04ND
2023-10-04ND
2023-10-056.00 ppt
2023-10-05ND
2023-10-13ND
2023-10-192.80 ppt
2023-10-19ND
2023-10-19ND
2023-10-19ND
2023-10-272.40 ppt
2023-10-27ND
2023-11-073.50 ppt
2023-11-07ND
2023-11-07ND
2023-11-071.60 ppt
2023-11-090.670 ppt
2023-11-093.00 ppt
2023-11-09ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-11-29ND
2023-12-080.340 ppt
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-14ND
2023-12-220.370 ppt
2023-12-222.70 ppt