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EWG's Tap Water Database — 2021 UPDATE

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1,1,2,2-tetrafluoro-2-(1,2,2,2-tetrafluoro-ethoxy)ethane sulfonic acid (NVHOS)

Status: No national drinking water standard exists

 

1,1,2,2-tetrafluoro-2-(1,2,2,2-tetrafluoro-ethoxy)ethane sulfonic acid (NVHOS) is a member of a group of perfluorinated chemicals used in many consumer products. NVHOS 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.

2017-2019:

FOUND
FOUND ABOVE HEALTH GUIDELINES

1

states detected

34

utilities detected

861,000

people served

0

states over health guideline

0

utilities over health guideline

0

people served over health guideline

Health concerns for NVHOS

Cancer

Harm to the immune system

Hormone disruption

Harm to fetal growth and child development

Harm to the liver

State and national drinking water standards and health guidelines

EWG Health Guideline 1 ppt

The EWG Health Guideline of 1 ppt for NVHOS 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. This health guideline protects against applies to the entire class of PFAS detected in water.

ppt = parts per trillion

States reporting NVHOS in drinking water

UTILITIES WITH CONTAMINATION
State UtilitiesPeople Served
North Carolina34861,204
MORE
LESS

Filtering technologies that reduce NVHOS

Activated Carbon

Reverse Osmosis

Utilities with the highest amounts of NVHOS, 2017-2019

ALL UTILITIES
LARGE UTILITIES
UtilityLocationTestsAverage levelPeople served
Wrightsville Beach Water SystemWrightsville Beach, NC1 of 124.2 ppt6,380
Pender County UtilitiesBurgaw, NC1 of 17.30 ppt24,236
Holden Beach, Town ofHolden Beach, NC1 of 17.00 ppt6,212
Town of Navassa - PhoenixNavassa, NC1 of 17.00 ppt71
Leland, Town ofLeland, NC1 of 17.00 ppt5,662
Navassa, Town of-cedar Hill AnnexNavassa, NC1 of 17.00 ppt25
Brunswick Regional Water and Sewer H2goLeland, NC1 of 17.00 ppt28,488
Navassa, Town ofNavassa, NC1 of 17.00 ppt747
Brunswick County Water System*Bolivia, NC1 of 17.00 ppt100,694
Ocean Isle Beach, Town of*Ocean Isle Beach, NC1 of 17.00 ppt7,216
Shallotte, Town ofShallotte, NC1 of 17.00 ppt5,862
Southport, City ofCity Of Southport, NC1 of 17.00 ppt6,447
Town of Oak IslandOak Island, NC1 of 17.00 ppt23,635
Bladen Bluffs Water SystemTarheel, NC1 of 15.30 ppt4,589
Stedman, Town of*Stedman, NC1 of 24.25 ppt1,506
Eastgate S/d Fayetteville Public Works CommissionCharlotte, NC1 of 24.25 ppt205
Brettonwood Hills S/dHampstead, NC1 of 24.25 ppt187
Brookwood South/fayetteville Public Works CommissionHampstead, NC1 of 24.25 ppt2,357
Kelly Hill S/dHampstead, NC1 of 24.25 ppt109
Tanglewood South Mobile Home Park/fayetteville Public Works CommissionCharlotte, NC1 of 24.25 ppt259
Rain Tree II Fayetteville Public Works CommissionHampstead, NC1 of 24.25 ppt292
Fayetteville Public Works Commission*Fayetteville, NC1 of 24.25 ppt217,948
Hoke County Regional--rockfishRaeford, NC1 of 24.25 ppt5,778
Cape Fear Public Utility Authority - WilmingtonWilmington, NC2 of 33.93 ppt153,202
Oyster Point S/dWilmington, NC1 of 12.70 ppt99
Cape Fear Public Utility Authority - New Hanover County*Wilmington, NC1 of 12.70 ppt29,052
Wade, Town ofWade, NC1 of 11.30 ppt835
Neuse Regional Water and Sewer Authority*La Grange, NC1 of 11.000 ppt93,238

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report 1,1,2,2-tetrafluoro-2-(1,2,2,2-tetrafluoro-ethoxy)ethane sulfonic acid (NVHOS) , but it likely has the contaminant in its water supply.

UtilityLocationTestsAverage levelPeople served
Pender County UtilitiesBurgaw, NC1 of 17.30 ppt24,236
Town of Oak IslandOak Island, NC1 of 17.00 ppt23,635
Brunswick County Water System*Bolivia, NC1 of 17.00 ppt100,694
Brunswick Regional Water and Sewer H2goLeland, NC1 of 17.00 ppt28,488
Fayetteville Public Works Commission*Fayetteville, NC1 of 24.25 ppt217,948
Cape Fear Public Utility Authority - WilmingtonWilmington, NC2 of 33.93 ppt153,202
Cape Fear Public Utility Authority - New Hanover County*Wilmington, NC1 of 12.70 ppt29,052
Neuse Regional Water and Sewer Authority*La Grange, NC1 of 11.000 ppt93,238

* This water utility supplies finished drinking water to at least one other water utility. The purchasing utility is not required to test for or report 1,1,2,2-tetrafluoro-2-(1,2,2,2-tetrafluoro-ethoxy)ethane sulfonic acid (NVHOS) , but it likely has the contaminant in its water supply.