Perfluorohexane sulfonate (PFHXS)
Warminster Municipal Authority
Perfluorohexane sulfonate 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.
Samples
Samples exceeding legal limit (MCL)
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2013 | N/A | 0 | 0 | N/A |
| 2014 | ND | 22 | 0 | ND |
| 2015 | N/A | 0 | 0 | N/A |
| 2016 | N/A | 0 | 0 | N/A |
| 2017 | N/A | 0 | 0 | N/A |
| 2018 | N/A | 0 | 0 | N/A |
| 2019 | N/A | 0 | 0 | N/A |
| 2020 | ND | 1 | 0 | ND |
| 2021 | 6.88 ppt | 40 | 4 | ND - 81.0 ppt |
| 2022 | 19.6 ppt | 142 | 46 | ND - 88.0 ppt |
| 2023 | 11.2 ppt | 85 | 16 | ND - 89.0 ppt |
| 2024 | ND | 1 | 0 | ND |
ppt = parts per trillion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 0.001 ppt
The EWG Health Guideline of 0.001 ppt for perfluorohexane sulfonate was defined by EPA's toxicity value published in the Integrated Risk Information System's toxicological review. This health guideline harm to the developing immune system.
EPA Maximum Contaminant
Level (MCL): 10 ppt
ppt = parts per trillion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2021-07-07 | 24810997.00 | ND |
| 2021-07-07 | 24811009.00 | ND |
| 2021-07-07 | 24811033.00 | ND |
| 2021-07-07 | 24811045.00 | ND |
| 2021-07-07 | 24810961.00 | ND |
| 2021-07-07 | 24810973.00 | ND |
| 2021-09-01 | 25202807.00 | ND |
| 2021-09-01 | 25202819.00 | ND |
| 2021-09-01 | 25202771.00 | ND |
| 2021-09-01 | 25202783.00 | ND |
| 2021-09-15 | 25386689.00 | ND |
| 2021-09-15 | 25386737.00 | ND |
| 2021-09-15 | 25386701.00 | ND |
| 2021-09-15 | 25386713.00 | ND |
| 2021-10-12 | 25571154.00 | ND |
| 2021-10-12 | 25571166.00 | ND |
| 2021-10-12 | 25571118.00 | ND |
| 2021-10-12 | 25571130.00 | ND |
| 2021-10-21 | 25387384.00 | ND |
| 2021-10-21 | 25387408.00 | ND |
| 2021-11-03 | 25571190.00 | ND |
| 2021-11-03 | 25571238.00 | ND |
| 2021-11-03 | 25571202.00 | ND |
| 2021-11-03 | 25571214.00 | ND |
| 2021-11-17 | 25571978.00 | ND |
| 2021-11-17 | 25572014.00 | 81.0 ppt |
| 2021-11-17 | 25572026.00 | ND |
| 2021-11-17 | 25571966.00 | 57.0 ppt |
| 2021-11-17 | 25571990.00 | ND |
| 2021-11-17 | 25572002.00 | ND |
| 2021-12-01 | 25747160.00 | ND |
| 2021-12-01 | 25747208.00 | ND |
| 2021-12-01 | 25747172.00 | ND |
| 2021-12-01 | 25747184.00 | ND |
| 2021-12-14 | 25747337.00 | ND |
| 2021-12-14 | 25747373.00 | 79.0 ppt |
| 2021-12-14 | 25747385.00 | ND |
| 2021-12-14 | 25747325.00 | 58.0 ppt |
| 2021-12-14 | 25747349.00 | ND |
| 2021-12-14 | 25747361.00 | ND |
| 2022-01-05 | 25925291.00 | ND |
| 2022-01-05 | 25925327.00 | 75.0 ppt |
| 2022-01-05 | 25925339.00 | ND |
| 2022-01-05 | 25925279.00 | 56.0 ppt |
| 2022-01-05 | 25925303.00 | ND |
| 2022-01-05 | 25925315.00 | ND |
| 2022-01-19 | 25925955.00 | ND |
| 2022-01-19 | 25925991.00 | 88.0 ppt |
| 2022-01-19 | 25926003.00 | ND |
| 2022-01-19 | 25925943.00 | 57.0 ppt |
| 2022-01-19 | 25925967.00 | ND |
| 2022-01-19 | 25925979.00 | ND |
| 2022-02-02 | 26101415.00 | ND |
| 2022-02-02 | 26101451.00 | 82.0 ppt |
| 2022-02-02 | 26101463.00 | ND |
| 2022-02-02 | 26101403.00 | 55.0 ppt |
| 2022-02-02 | 26101427.00 | ND |
| 2022-02-02 | 26101439.00 | ND |
| 2022-02-16 | 26101935.00 | ND |
| 2022-02-16 | 26101971.00 | 88.0 ppt |
| 2022-02-16 | 26101983.00 | ND |
| 2022-02-16 | 26101923.00 | 49.0 ppt |
| 2022-02-16 | 26101947.00 | ND |
| 2022-02-16 | 26101959.00 | ND |
| 2022-03-02 | 26102147.00 | ND |
| 2022-03-02 | 26102183.00 | 88.0 ppt |
| 2022-03-02 | 26102195.00 | ND |
| 2022-03-02 | 26102135.00 | 47.0 ppt |
| 2022-03-02 | 26102159.00 | ND |
| 2022-03-02 | 26102171.00 | ND |
| 2022-03-15 | 26271114.00 | ND |
| 2022-03-15 | 26271150.00 | 79.0 ppt |
| 2022-03-15 | 26271162.00 | ND |
| 2022-03-15 | 26271102.00 | 38.0 ppt |
| 2022-03-15 | 26271126.00 | ND |
| 2022-03-15 | 26271138.00 | ND |
| 2022-04-06 | 26446019.00 | ND |
| 2022-04-06 | 26446055.00 | 75.0 ppt |
| 2022-04-06 | 26446067.00 | ND |
| 2022-04-06 | 26446007.00 | 37.0 ppt |
| 2022-04-06 | 26446031.00 | ND |
| 2022-04-06 | 26446043.00 | ND |
| 2022-04-19 | 26446672.00 | ND |
| 2022-04-19 | 26446708.00 | 87.0 ppt |
| 2022-04-19 | 26446720.00 | ND |
| 2022-04-19 | 26446660.00 | 36.0 ppt |
| 2022-04-19 | 26446684.00 | ND |
| 2022-04-19 | 26446696.00 | ND |
| 2022-05-04 | 26630205.00 | ND |
| 2022-05-04 | 26630241.00 | 72.0 ppt |
| 2022-05-04 | 26630253.00 | ND |
| 2022-05-04 | 26630193.00 | 39.0 ppt |
| 2022-05-04 | 26630217.00 | ND |
| 2022-05-04 | 26630229.00 | ND |
| 2022-05-23 | 26630894.00 | ND |
| 2022-05-23 | 26630930.00 | 76.0 ppt |
| 2022-05-23 | 26630942.00 | ND |
| 2022-05-23 | 26630882.00 | 37.0 ppt |
| 2022-05-23 | 26630906.00 | ND |
| 2022-05-23 | 26630918.00 | ND |
| 2022-06-01 | 26825183.00 | ND |
| 2022-06-01 | 26825231.00 | ND |
| 2022-06-01 | 26825195.00 | ND |
| 2022-06-01 | 26825207.00 | ND |
| 2022-06-14 | 26825255.00 | ND |
| 2022-06-14 | 26825291.00 | 70.0 ppt |
| 2022-06-14 | 26825303.00 | ND |
| 2022-06-14 | 26825243.00 | 40.0 ppt |
| 2022-06-14 | 26825267.00 | ND |
| 2022-06-14 | 26825279.00 | ND |
| 2022-07-08 | 27019749.00 | ND |
| 2022-07-08 | 27019785.00 | 70.0 ppt |
| 2022-07-08 | 27019797.00 | ND |
| 2022-07-08 | 27019737.00 | 40.0 ppt |
| 2022-07-08 | 27019761.00 | ND |
| 2022-07-08 | 27019773.00 | ND |
| 2022-07-25 | 27214892.00 | ND |
| 2022-07-25 | 27214928.00 | 64.0 ppt |
| 2022-07-25 | 27214940.00 | ND |
| 2022-07-25 | 27214880.00 | 51.0 ppt |
| 2022-07-25 | 27214904.00 | ND |
| 2022-07-25 | 27214916.00 | ND |
| 2022-08-03 | 27214964.00 | ND |
| 2022-08-03 | 27215000.00 | 45.0 ppt |
| 2022-08-03 | 27215012.00 | ND |
| 2022-08-03 | 27214952.00 | 46.0 ppt |
| 2022-08-03 | 27214976.00 | ND |
| 2022-08-03 | 27214988.00 | ND |
| 2022-08-17 | 27215674.00 | ND |
| 2022-08-17 | 27215710.00 | 58.0 ppt |
| 2022-08-17 | 27215722.00 | ND |
| 2022-08-17 | 27215662.00 | 58.0 ppt |
| 2022-08-17 | 27215686.00 | ND |
| 2022-08-17 | 27215698.00 | ND |
| 2022-09-07 | 27421579.00 | ND |
| 2022-09-07 | 27421615.00 | 48.0 ppt |
| 2022-09-07 | 27421627.00 | ND |
| 2022-09-07 | 27421567.00 | 66.0 ppt |
| 2022-09-07 | 27421591.00 | ND |
| 2022-09-07 | 27421603.00 | ND |
| 2022-09-21 | 27422329.00 | ND |
| 2022-09-21 | 27422365.00 | 53.0 ppt |
| 2022-09-21 | 27422377.00 | ND |
| 2022-09-21 | 27422317.00 | 71.0 ppt |
| 2022-09-21 | 27422341.00 | ND |
| 2022-09-21 | 27422353.00 | ND |
| 2022-10-05 | 27624778.00 | 49.0 ppt |
| 2022-10-05 | 27624790.00 | ND |
| 2022-10-05 | 27624802.00 | ND |
| 2022-10-05 | 27624742.00 | 63.0 ppt |
| 2022-10-05 | 27624754.00 | ND |
| 2022-10-05 | 27624766.00 | ND |
| 2022-10-19 | 27625347.00 | 65.0 ppt |
| 2022-10-19 | 27625359.00 | ND |
| 2022-10-19 | 27625371.00 | ND |
| 2022-10-19 | 27625311.00 | 56.0 ppt |
| 2022-10-19 | 27625323.00 | ND |
| 2022-10-19 | 27625335.00 | ND |
| 2022-11-02 | 27806467.00 | ND |
| 2022-11-02 | 27806503.00 | 69.0 ppt |
| 2022-11-02 | 27806515.00 | ND |
| 2022-11-02 | 27806455.00 | 48.0 ppt |
| 2022-11-02 | 27806479.00 | ND |
| 2022-11-02 | 27806491.00 | ND |
| 2022-11-16 | 27807160.00 | ND |
| 2022-11-16 | 27807196.00 | 76.0 ppt |
| 2022-11-16 | 27807208.00 | ND |
| 2022-11-16 | 27807148.00 | 57.0 ppt |
| 2022-11-16 | 27807172.00 | ND |
| 2022-11-16 | 27807184.00 | ND |
| 2022-12-07 | 27982264.00 | ND |
| 2022-12-07 | 27982300.00 | 71.0 ppt |
| 2022-12-07 | 27982312.00 | ND |
| 2022-12-07 | 27982252.00 | 52.0 ppt |
| 2022-12-07 | 27982276.00 | ND |
| 2022-12-07 | 27982288.00 | ND |
| 2022-12-21 | 27982336.00 | ND |
| 2022-12-21 | 27982372.00 | 86.0 ppt |
| 2022-12-21 | 27982384.00 | ND |
| 2022-12-21 | 27982324.00 | 49.0 ppt |
| 2022-12-21 | 27982348.00 | ND |
| 2022-12-21 | 27982360.00 | ND |
| 2023-01-04 | 28155437.00 | ND |
| 2023-01-04 | 28155473.00 | 76.0 ppt |
| 2023-01-04 | 28155485.00 | ND |
| 2023-01-04 | 28155425.00 | 41.0 ppt |
| 2023-01-04 | 28155449.00 | ND |
| 2023-01-04 | 28155461.00 | ND |
| 2023-01-18 | 28156005.00 | ND |
| 2023-01-18 | 28156041.00 | 89.0 ppt |
| 2023-01-18 | 28156053.00 | ND |
| 2023-01-18 | 28155993.00 | 48.0 ppt |
| 2023-01-18 | 28156017.00 | ND |
| 2023-01-18 | 28156029.00 | ND |
| 2023-02-01 | 28332865.00 | ND |
| 2023-02-01 | 28332901.00 | 77.0 ppt |
| 2023-02-01 | 28332913.00 | ND |
| 2023-02-01 | 28332853.00 | 38.0 ppt |
| 2023-02-01 | 28332877.00 | ND |
| 2023-02-01 | 28332889.00 | ND |
| 2023-02-14 | 28504143.00 | ND |
| 2023-02-14 | 28504179.00 | 69.0 ppt |
| 2023-02-14 | 28504191.00 | ND |
| 2023-02-14 | 28504131.00 | 43.0 ppt |
| 2023-02-14 | 28504155.00 | ND |
| 2023-02-14 | 28504167.00 | ND |
| 2023-03-01 | 28504844.00 | ND |
| 2023-03-01 | 28504880.00 | 75.0 ppt |
| 2023-03-01 | 28504892.00 | ND |
| 2023-03-01 | 28504832.00 | 46.0 ppt |
| 2023-03-01 | 28504856.00 | ND |
| 2023-03-01 | 28504868.00 | ND |
| 2023-03-15 | 28683099.00 | ND |
| 2023-03-15 | 28683135.00 | 81.0 ppt |
| 2023-03-15 | 28683147.00 | ND |
| 2023-03-15 | 28683087.00 | 42.0 ppt |
| 2023-03-15 | 28683111.00 | ND |
| 2023-03-15 | 28683123.00 | ND |
| 2023-04-04 | 28683171.00 | ND |
| 2023-04-04 | 28683207.00 | ND |
| 2023-04-04 | 28683219.00 | ND |
| 2023-04-04 | 28683159.00 | 41.0 ppt |
| 2023-04-04 | 28683183.00 | ND |
| 2023-04-04 | 28683195.00 | ND |
| 2023-04-19 | 28880669.00 | ND |
| 2023-04-19 | 28880717.00 | ND |
| 2023-04-19 | 28880681.00 | ND |
| 2023-04-19 | 28880693.00 | ND |
| 2023-04-28 | 28880729.00 | 77.0 ppt |
| 2023-05-03 | 28881407.00 | ND |
| 2023-05-03 | 28881443.00 | 72.0 ppt |
| 2023-05-03 | 28881455.00 | ND |
| 2023-05-03 | 28881395.00 | 38.0 ppt |
| 2023-05-03 | 28881419.00 | ND |
| 2023-05-03 | 28881431.00 | ND |
| 2023-05-17 | 29089391.00 | ND |
| 2023-05-17 | 29089415.00 | ND |
| 2023-06-07 | 29090060.00 | ND |
| 2023-06-07 | 29090084.00 | ND |
| 2023-06-21 | 29090120.00 | ND |
| 2023-06-21 | 29090121.00 | ND |
| 2023-07-05 | 29284783.00 | ND |
| 2023-07-05 | 29284785.00 | ND |
| 2023-07-19 | 29284676.00 | ND |
| 2023-07-19 | 29284675.00 | ND |
| 2023-08-02 | 29476864.00 | ND |
| 2023-08-16 | 29476865.00 | ND |
| 2023-08-16 | 29476863.00 | ND |
| 2023-08-23 | 29477573.00 | ND |
| 2023-09-06 | 29682806.00 | ND |
| 2023-09-14 | 29682857.00 | ND |
| 2023-09-20 | 29683389.00 | ND |
| 2023-09-20 | 29683440.00 | ND |
| 2023-10-04 | 29869361.00 | ND |
| 2023-10-04 | 29869410.00 | ND |
| 2023-10-18 | 29869521.00 | ND |
| 2023-10-18 | 29869467.00 | ND |
| 2023-10-31 | 3J05163-01 | ND |
| 2023-11-01 | 30053606.00 | ND |
| 2023-11-01 | 30053552.00 | ND |
| 2023-11-02 | 3J04715-01 | ND |
| 2023-11-15 | 30053714.00 | ND |
| 2023-11-15 | 30053660.00 | ND |
| 2023-12-06 | 30229367.00 | ND |
| 2023-12-06 | 30229313.00 | ND |
| 2023-12-18 | 30229572.00 | ND |
| 2023-12-18 | 30229518.00 | ND |
| 2024-02-07 | 4B00747-01 | ND |