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  3. Concentrations of per- and polyfluoroalkyl substances (PFAS) in tapwater collected throughout the United States, 2021-22

Concentrations of per- and polyfluoroalkyl substances (PFAS) in tapwater collected throughout the United States, 2021-22

Dates

Publication Date
Start Date
2021-05
End Date
2022-05

Citation

Romanok, K.M., Smalling, K.L., Bradley, P.M., Riddle, D.M., Kenefic, L.F., Gray, J.L., and Kanagy, L.K., 2023, Concentrations of per- and polyfluoroalkyl substances (PFAS) in tapwater collected throughout the United States, 2021-22: U.S. Geological Survey data release, https://doi.org/10.5066/P9HIG9WI.

Summary

This dataset contains the concentration and quality assurance results for 34 per- and polyfluoroalkyl substances (PFAS). 409 residential and commercial tapwater samples were collected once between May 2021 and May 2022, in the contiguous U.S., Alaska, Hawaii, Puerto Rico, and U.S. Virgin Islands. Of these samples 252 were from publicly supplied tapwater locations, and 155 were sourced from private wells, springs or catchment vessels. Additionally, three surface-water samples were collected in New Hampshire (as denoted with a site code suffix of '_SW' in Table 2a). An additional 85 samples were collected at 3 locations (privately sourced tapwater samples in New Jersey (30) and South Carolina (20), and a publicly supplied source in [...]

Contacts

Point of Contact :
Kristin M Romanok
Originator :
Kristin M Romanok, Kelly Smalling, Paul M Bradley, Dean M Riddle, Liam F Kenefic, James L Gray, Leslie K Kanagy
Metadata Contact :
New Jersey Water Science Center
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
New Jersey Water Science Center
USGS Mission Area :
Ecosystems

Attached Files

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PFAS_IST_tapwater_metadata.xml
“Metadata”
Original FGDC Metadata
View 		35.22 KB application/fgdc+xml
PFASIST_Table1_MethodInformation.txt
“Table 1. Method information” 		4.92 KB text/plain
PFASIST_Table2b_Results_temporal.txt
“Table 2b. Results (temporal)” 		19.21 KB text/plain
PFASIST_Table3_QA_FieldBlanks.txt
“Table 3. Quality assurance (field blanks)” 		8.58 KB text/plain
PFASIST_Table4_QA_Surrogates.txt
“Table 4. Quality assurance (surrogate summary)” 		80.82 KB text/plain
PFASIST_Table5_QA_MatrixSpike_Summary.txt
“Table 5. Quality assurance (matrix spike summary)” 		1.75 KB text/plain
PFASIST_Table2a_Results_recon.txt
“Table 2a. Results (national reconnaissance)” 		96.33 KB text/plain

Purpose

The purpose of this study was to further the understanding of human exposure to per- and polyfluoroalkyl substances (PFAS), or "Forever Chemicals" as they also are known, through tapwater at the point of use. Research has shown that consumption of these chemicals can lead to adverse health outcomes (NTP, 2016), and the U.S. Environmental Protection Agency (EPA) has recently moved to provide health advisories for certain PFAS compounds (EPA, 2022) at levels far below any state established Maximum Contaminant Levels (MCL). While larger water filtration plants monitor for some of these compounds, the same cannot be said for for private well owners. This study aims to address this national knowledge gap.

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Communities

  • USGS Data Release Products
  • USGS New Jersey Water Science Center 

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9HIG9WI

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