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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 151–160 of 312 samples, newest first — collected June 20, 2007 to August 14, 2007. The summary above covers all 312.

39 results from the 10 samples listed here: 18 detected, 21 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 151 to 160 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
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-146PB
Laboratory
MSDH Lab
0.0084 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0024 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-288PB
Laboratory
MSDH Lab
0.0055 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0025 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-281PB
Laboratory
MSDH Lab
0.7059 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0007 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-289PB
Laboratory
MSDH Lab
0.0264 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0019 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-287PB
Laboratory
MSDH Lab
0.0031 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0011 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-277PB
Laboratory
MSDH Lab
0.2021 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0014 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-136PB
Laboratory
MSDH Lab
0.3494 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0008 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-279PB
Laboratory
MSDH Lab
0.0694 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0012 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 14, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070815-278PB
Laboratory
MSDH Lab
0.2338 mg/l , sample collected Aug 14, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0016 mg/l , sample collected Aug 14, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jun 20, 2007
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
070622-012VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 20, 2007, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010

Routine (10).