Free Water Analysis

Perfluorotetradecanoic acid (PFTA)

EWG Health Guideline
0.006 ppb
National Average
0.001 ppb
Detected In
23 utilities

Health Risks

The EWG Health Guideline of 0.006 ppt for PFTA was based on the EPA's recommended application of the toxicity value for PFDA published in the Integrated Risk Information System’s toxicological review. This health guideline protects against harm to the immune system and harm to fetal growth and child development.

Filtration Methods

Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Reverse Osmosis
yes
Ion Exchange
no
Activated Carbon
yes
Ion Exchange
no
Reverse Osmosis
yes

Utilities That Detected This Contaminant

Utility Name State Level Detected Status
Lincoln, City of AL 12.5 ppt Exceeds Guideline View
Gadsden Water Works and Sewer Board AL 2.41 ppt Exceeds Guideline View
Highland Water Authority AL 2.41 ppt Exceeds Guideline View
Northeast Etowah County Water Co-op AL 2.41 ppt Exceeds Guideline View
Whorton Bend Water Authority AL 2.41 ppt Exceeds Guideline View
Ariton Water Works AL 1.25 ppt Exceeds Guideline View
Sulligent, City of AL 0.483 ppt Exceeds Guideline View
Plainville Water Department MA 0.208 ppt Exceeds Guideline View
City of Sterling CO 0.06 ppt Exceeds Guideline View
Seekonk Water District MA 0.051 ppt Exceeds Guideline View
Bridgewater Water Department MA 0.028 ppt Exceeds Guideline View
Westborough Water Department MA 0.028 ppt Exceeds Guideline View
Fort Drum NY 0.023 ppt Exceeds Guideline View
City of Brighton CO 0.018 ppt Exceeds Guideline View
Garfield Water Department NJ 0.018 ppt Exceeds Guideline View
Leominster Water Division (MWRA) MA 0.013 ppt Exceeds Guideline View
Peabody Water Department (MWRA) MA 0.01 ppt Detected View
Abington/rockland Joint Water Works MA 0.008 ppt Detected View
Acton Water Supply District MA 0.007 ppt Detected View
Auburn Water District MA 0.007 ppt Detected View
Dedham Westwood Water District MA 0.005 ppt Detected View
Millis Water Department MA 0.003 ppt Detected View
Natick Water Department MA 0.002 ppt Detected View