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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 131–140 of 312 samples, newest first — collected July 1, 2009 to October 5, 2009. The summary above covers all 312.

51 results from the 10 samples listed here: 42 detected, 9 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 131 to 140 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
Oct 5, 2009
Sampling point
SM1 Building 565
Sample type
Routine
Lab sample
091006-013TH
Laboratory
MSDH Lab
12.4 ug/l , sample collected Oct 5, 2009, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
4.02 ug/l , sample collected Oct 5, 2009, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
17.5 ug/l , sample collected Oct 5, 2009, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
14.8 ug/l , sample collected Oct 5, 2009, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
48.72 ug/l , sample collected Oct 5, 2009, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 5, 2009
Sampling point
SM2 Building 548
Sample type
Routine
Lab sample
091006-014HA
Laboratory
MSDH Lab
0.004 mg/l , sample collected Oct 5, 2009, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.012 mg/l , sample collected Oct 5, 2009, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Oct 5, 2009, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 5, 2009, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Oct 5, 2009, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.03 mg/l , sample collected Oct 5, 2009, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Oct 5, 2009
Sampling point
SM1 Building 565
Sample type
Routine
Lab sample
091006-013HA
Laboratory
MSDH Lab
0.004 mg/l , sample collected Oct 5, 2009, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Oct 5, 2009, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Oct 5, 2009, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 5, 2009, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Oct 5, 2009, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.02 mg/l , sample collected Oct 5, 2009, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Sep 2, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090903-013CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Sep 2, 2009, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2008 – Dec 31, 2010
Collected
Jul 7, 2009
Sampling point
SM2 Building 548
Sample type
Routine
Lab sample
090708-004TH
Laboratory
MSDH Lab
12.6 ug/l , sample collected Jul 7, 2009, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
2.29 ug/l , sample collected Jul 7, 2009, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
12.9 ug/l , sample collected Jul 7, 2009, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
11.1 ug/l , sample collected Jul 7, 2009, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
38.89 ug/l , sample collected Jul 7, 2009, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
Jul 7, 2009
Sampling point
SM1 Building 565
Sample type
Routine
Lab sample
090708-003TH
Laboratory
MSDH Lab
11.1 ug/l , sample collected Jul 7, 2009, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
1.8 ug/l , sample collected Jul 7, 2009, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
11.6 ug/l , sample collected Jul 7, 2009, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
10.1 ug/l , sample collected Jul 7, 2009, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
34.6 ug/l , sample collected Jul 7, 2009, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
Jul 7, 2009
Sampling point
SM2 Building 548
Sample type
Routine
Lab sample
090708-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 7, 2009, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jul 7, 2009, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jul 7, 2009, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 7, 2009, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Jul 7, 2009, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jul 7, 2009, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Jul 7, 2009
Sampling point
SM1 Building 565
Sample type
Routine
Lab sample
090708-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 7, 2009, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jul 7, 2009, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jul 7, 2009, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 7, 2009, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Jul 7, 2009, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jul 7, 2009, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Jul 1, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090702-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 1, 2009, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Jul 1, 2009, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Jul 1, 2009, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 1, 2009, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Jul 1, 2009, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jul 1, 2009, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2009 – Dec 31, 2009
Collected
Jul 1, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090702-001TH
Laboratory
MSDH Lab
9.12 ug/l , sample collected Jul 1, 2009, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
1.81 ug/l , sample collected Jul 1, 2009, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
9.96 ug/l , sample collected Jul 1, 2009, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
9.32 ug/l , sample collected Jul 1, 2009, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
30.21 ug/l , sample collected Jul 1, 2009, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2009 – Dec 31, 2009

Routine (10).