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This is a rebuild of Drinking Water Watch and not yet the official record. Use the agency’s current Drinking Water Watch for anything you need to rely on.

Chemical and radiological sample results

MS0240232 , The Chemours Company FC, LLC

23 of the 53 analytes this system has been tested for have been detected at least once, across 312 samples on record.

The other 30 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 312 samples on record, detections range from December 22, 1993 to July 27, 2026. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for The Chemours Company FC, LLC, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 130 of 147 results Dec 22, 1993 Jul 27, 2026
Lead 1030 Inorganic Chemical 126 of 147 results Dec 22, 1993 Jul 27, 2026
TTHM 2950 Organic Chemical 31 of 31 results Jun 23, 2004 Dec 10, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 30 of 30 results Jun 23, 2004 Jun 15, 2026
Barium 1010 Inorganic Chemical 22 of 22 results Sep 15, 2003 Feb 13, 2025
Fluoride 1025 Inorganic Chemical 22 of 22 results Sep 15, 2003 Feb 13, 2025
Chloroform 2941 Organic Chemical 21 of 21 results Oct 31, 2006 Dec 10, 2025
Bromodichloromethane 2943 Organic Chemical 21 of 21 results Oct 31, 2006 Dec 10, 2025
Dibromochloromethane 2944 Organic Chemical 21 of 21 results Oct 31, 2006 Dec 10, 2025
Bromoform 2942 Organic Chemical 20 of 21 results Oct 31, 2006 Dec 10, 2025
Dichloroacetic Acid 2451 Organic Chemical 18 of 18 results Jun 30, 2008 Jun 15, 2026
Trichloroacetic Acid 2452 Organic Chemical 18 of 18 results Jun 30, 2008 Jun 15, 2026
Dibromoacetic Acid 2454 Organic Chemical 18 of 18 results Jun 30, 2008 Jun 15, 2026
Chromium 1020 Inorganic Chemical 15 of 22 results Sep 15, 2003 Apr 26, 2022
Sulfate 1055 Inorganic Chemical 8 of 8 results Sep 15, 2003 Mar 1, 2004
Selenium 1045 Inorganic Chemical 6 of 22 results Mar 9, 2005 Feb 13, 2006
Monochloroacetic Acid 2450 Organic Chemical 5 of 18 results Oct 5, 2009 Aug 16, 2017
Cadmium 1015 Inorganic Chemical 4 of 22 results Sep 15, 2003 Mar 9, 2005
Arsenic 1005 Inorganic Chemical 2 of 22 results Apr 7, 2008 Apr 26, 2022
Nickel 1036 Inorganic Chemical 2 of 22 results Sep 15, 2003 Apr 7, 2008
Sodium 1052 Inorganic Chemical 1 of 1 result Feb 22, 2021 Feb 22, 2021
Xylenes, Total 2955 Organic Chemical 1 of 26 results Mar 1, 2007 Mar 1, 2007
Thallium, Total 1085 Inorganic Chemical 1 of 22 results Sep 15, 2003 Sep 15, 2003

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 81–90 of 312 samples, newest first — collected August 13, 2014 to June 13, 2017. The summary above covers all 312.

30 results from the 10 samples listed here: 7 detected, 23 not detected. Across the whole record it is 543 of 1,457. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for The Chemours Company FC, LLC, every result from 81 to 90 of 312 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jun 13, 2017 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170614-046PB
Laboratory
MSDH Lab
0.5468 mg/l , sample collected Jun 13, 2017 06:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0006 mg/l , sample collected Jun 13, 2017 06:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 13, 2017 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170614-059PB
Laboratory
MSDH Lab
0.0097 mg/l , sample collected Jun 13, 2017 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0161 mg/l , sample collected Jun 13, 2017 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 13, 2017 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
170616-013RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 13, 2017 12:00, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Not recorded
Collected
Mar 13, 2017 13:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
170314-017RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2017 13:00, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Not recorded
Collected
Feb 14, 2017 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
170215-054NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 14, 2017 12:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 14, 2017 12:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 14, 2017 12:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Apr 4, 2016 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160405-010NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 4, 2016 12:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 4, 2016 12:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 4, 2016 12:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Mar 11, 2015 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150312-024IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 11, 2015 12:30, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0292 mg/l , sample collected Mar 11, 2015 12:30, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 11, 2015 12:30, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0014 mg/l , sample collected Mar 11, 2015 12:30, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.19 mg/l , sample collected Mar 11, 2015 12:30, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 11, 2015 12:30, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 11, 2015 12:30, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 11, 2015 12:30, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 11, 2015 12:30, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 11, 2015 12:30, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 11, 2015 12:30, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Feb 11, 2015 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150212-001NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 11, 2015 12:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 11, 2015 12:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 11, 2015 12:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Nov 24, 2014 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
141125-020NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 24, 2014 12:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Nov 24, 2014 12:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 24, 2014 12:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Aug 13, 2014 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140814-017CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 13, 2014 12:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016

Routine (10).