PFAS Test Results : April 2018 - July 2025

ND - Not Detected
NA - Not Applicable (Compound is not analyzed in the EPA 537 Method)

 Sampling Date Water Tested  Method PFOS  PFOA 6:2 Fluorotelomer Sulfonates  Compounds Tested
 April 2018 Treated Drinking Water EPA 537 ND 2 ppt NA 14 compounds
  Raw Water Isotope Dilution ND 2 ppt ND 24 compounds
  Treated Drinking Water Isotope Dilution ND ND  3 ppt 24 compounds
 June 2018 Treated Drinking Water EPA 537   ND   ND  NA 14 compounds
  Raw Water Isotope Dilution   1.40 ppt 1.09 ppt ND 24 compounds
  Treated Drinking Water Isotope Dilution 1.81 ppt 1.38 ppt 1.55 ppt 24 compounds
 April 2019 Treated Drinking Water EPA 537 ND ND NA 14 compounds
  Raw Water Isotope Dilution ND ND 4 ppt 24 compounds
  Treated Drinking Water Isotope Dilution ND ND 6 ppt 24 compounds
 May 2019 Raw Water Isotope Dilution ND ND ND 24 compounds
  Treated Drinking Water EPA 537 ND ND ND 14 compounds
 June 2019 Raw Water Isotope Dilution ND ND ND  24 compounds
Treated Drinking Water EPA 537 ND ND NA 14 compounds
 July 209 Raw Water Isotope Dilution ND ND ND 24 compounds
  Treated Drinking Water EPA 537 ND ND NA 14 compounds
 August 2019 Raw Water Isotope Dilution ND  ND  ND 24 compounds
   Treated Drinking Water EPA 537 2 ppt ND ND 14 compounds
September 2019 Raw Water Isotope Dilution ND ND ND 24 compounds
  Treated Drinking Water EPA 537 ND ND NA 14 compounds
December 2019 Raw Water Isotope Dilution ND  ND ND 24 compounds
  Treated Drinking Water EPA 537 2 ppt ND NA 14 compounds
January 2020 Raw Water Isotope Dilution  ND ND ND 24 compounds
  Treated Drinking Water  EPA 537  ND  ND  NA 14 compounds
 February 2020 Raw Water  Isotope Dilution ND 2.6 ppt ND 24 compounds
  Treated Drinking Water EPA 537  2.14 ppt  ND NA 14 compounds
 March 2020  Raw Water Isotope Dilution  ND 2.56 ppt  2.28 ppt 24 compounds
   Treated Drinking Water EPA 537  2.41 ppt ND NA 14 compounds
 April 2020  Raw Water  Isotope Dilution ND  ND ND  24 compounds
   Treated Drinking Water EPA 537 2.17 ppt  ND  NA  14 compounds
 May 2020 Raw Water Isotope Dilution  ND  ND  ND  24 compounds
  Treated Drinking Water EPA 537  NA  ND  NA  14 compounds
June 2020 Raw Water Isotope Dilution ND  2.34 ppt  ND  24 compounds
  Treated Drinking Water EPA 537  2.23 ppt  ND  NA  14 compounds
 July 2020 Raw Water Isotope Dilution  ND  ND  ND  24 compounds
  Treated Drinking Water EPA 537  2.37 ppt  ND  NA  14 compounds
Sampling Date Water Tested Method PFNA (MCLs is 6 ppt) PFOA (MCLs is 8 ppt) PFHxA (MCLs is 400,000 ppt) PFOS (MCLs is 16 ppt) PFHxS (MCLs is 51 ppt) PFBS (MCLs is 420 ppt) HXPO-DA (MCLs is 370 ppt) Compounds Tested
Aug-2020 Raw Water Isotope Dilution ND ND ND ND ND ND ND 24 compounds
Aug-2020 Treated Drinking Water EPA 537 2.19 ppt ND ND NA ND ND ND 14 compounds
Nov-2020 Raw Water Isotope Dilution ND ND ND ND ND ND ND 24 compounds
Nov-2020
Treated Drinking Water EPA 537 ND ND ND NA ND ND ND 14 compounds
Mar-2021 Raw Water Isotope Dilution ND ND ND ND ND ND ND 24 compounds
Mar-2021 Treated Drinking Water EPA 537 ND ND ND NA ND ND ND 14 compounds
Jul-2021 Raw Water Isotope Dilution ND ND ND ND ND ND ND 24 compounds
Jul-2021  Treated Drinking Water EPA 537 ND ND NA ND ND ND ND 14 compounds
Sep-2021 Raw Water Isotope Dilution ND ND ND ND ND ND ND 24 compounds
Sep-2021 Treated Drinking Water EPA 537 ND ND ND NA ND ND ND 14 compounds
Nov-2021 Raw Water Isotope Dilution ND ND ND NA ND ND ND 24 compounds
Nov-2021
Treated Drinking Water EPA 537 ND ND ND NA ND ND ND 14 compounds
Jul-2022 Raw Water Isotope Dilution ND 2.1 ppt ND 3.0 ppt ND ND ND 18 compounds
Jul-2022
Treated Drinking Water EPA 537 ND ND ND 2.6 ppt ND ND ND 18 compounds
Oct-2022 Treated Drinking Water EPA 537 ND ND ND 2.2 ppt ND ND ND 18 compounds
Feb-2023 Treated Drinking Water EPA 537 ND ND  
ND
2.5 ppt ND ND ND 18 compounds
May-2023 Treated Drinking Water EPA 537 ND ND ND 2.4 ppt ND ND ND 18 compounds
Aug-2023 Treated Drinking Water EPA 537 ND ND ND 2.1 ppt ND ND ND 18 compounds
 Oct-2023 Treated Drinking Water EPA 537  ND ND ND 2.8 ppt ND ND ND 18 compounds
Nov-2023 Treated Drinking Water EPA 537 ND 1.5 ppt 1.2
ppt
1.6 ppt ND ND ND 18 compounds
Feb-2024 Treated Drinking Water EPA 537 ND ND ND 2.7 ppt ND ND ND 18 compounds
Apr-2024 Treated Drinking Water EPA 537 ND ND ND 2.7 ppt ND ND ND 18 compounds
May-2024 Raw Water Isotope Dilution ND 1.2 ppt 1.4
ppt
2.1 ppt ND 1.8 ppt ND 18 compounds
Aug-2024 Raw Water Isotope Dilution ND 2.3 ppt 1.3
ppt
2.0 ppt .9
ppt
ND ND 34 compounds
Oct-2024 Treated Drinking Water EPA 537 ND ND ND ND ND ND ND 18 compounds
Jan-2025 Treated Drinking Water EPA 537 ND ND ND ND ND ND ND 18 compounds
Jan-2025 Raw Water Isotope Dilution ND

2.1
ppt

1.5
ppt
2.3
ppt
1.2
ppt
0.6
ppt
ND 34 compounds
April-2025 Treated Drinking Water EPA 537 ND

ND

ND ND ND ND ND 18 compounds
April-2025 Raw Water Isotope Dilution ND

1.8 ppt

1.2
ppt

 

2.1 ppt 0.9
ppt
0.4 ppt ND 34 compounds
May-2025 Raw Water Isotope Dilution ND

1.0 ppt

1.2
ppt

 

1.0 ppt ND 0.6 ppt ND 34 compounds
July-2025 Treated Drinking Water

 


EPA 537

 


ND

ND

ND

 

2.3 ppt ND ND ND 18 compounds