Know Your Environment. Protect Your Health.

Perfluorohexanoic Acid (PFHxA)

Woodland Park Water Department

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.

 

6

Samples

0

Samples exceeding legal limit (MCL)

4

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
20186.32 ppt20203.90 ppt - 12.0 ppt
20193.13 ppt1310ND - 5.40 ppt
20205.56 ppt12123.10 ppt - 8.60 ppt
20214.71 ppt14143.00 ppt - 8.40 ppt
20224.80 ppt2423ND - 10.7 ppt
20235.20 ppt24242.34 ppt - 10.6 ppt
20242.58 ppt64ND - 4.70 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 Lab ID Result
2024-02-14113256P3.00 ppt
2024-02-14113257PND
2024-05-21116480P3.20 ppt
2024-05-21116481PND
2024-08-14119921P4.60 ppt
2024-08-14119922P4.70 ppt