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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

MS0100004 , French Camp W/A #1

23 of the 57 analytes this system has been tested for have been detected at least once, across 291 samples on record.

The other 34 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 291 samples on record, detections range from September 27, 1993 to December 18, 2025. 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 French Camp W/A #1, 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 101 of 102 results Sep 27, 1993 Sep 23, 2025
Lead 1030 Inorganic Chemical 56 of 102 results Sep 27, 1993 Sep 23, 2025
Barium 1010 Inorganic Chemical 23 of 23 results May 14, 2002 Dec 9, 2025
TTHM 2950 Organic Chemical 20 of 22 results Jun 28, 2007 Dec 18, 2025
Fluoride 1025 Inorganic Chemical 17 of 23 results Oct 6, 2003 Dec 9, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 17 of 23 results Jun 28, 2007 Sep 25, 2025
Chloroform 2941 Organic Chemical 16 of 17 results Jun 28, 2007 Dec 18, 2025
Trichloroacetic Acid 2452 Organic Chemical 15 of 17 results Aug 11, 2008 Dec 18, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 17 results Jun 28, 2007 Dec 18, 2025
Dibromochloromethane 2944 Organic Chemical 15 of 17 results Jun 28, 2007 Dec 18, 2025
Chromium 1020 Inorganic Chemical 15 of 23 results May 14, 2002 Dec 9, 2025
Dichloroacetic Acid 2451 Organic Chemical 13 of 17 results Aug 11, 2008 Sep 25, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Mar 6, 2012 Oct 3, 2012
Dibromoacetic Acid 2454 Organic Chemical 8 of 17 results Aug 11, 2008 Sep 25, 2025
Xylenes, Total 2955 Organic Chemical 7 of 42 results Jul 25, 2012 Oct 29, 2014
Bromoform 2942 Organic Chemical 6 of 17 results Jun 28, 2007 Sep 25, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 23, 2019 Dec 3, 2024
Selenium 1045 Inorganic Chemical 5 of 23 results Feb 16, 2005 Mar 19, 2008
Cadmium 1015 Inorganic Chemical 4 of 23 results Feb 16, 2005 Jan 23, 2006
Nickel 1036 Inorganic Chemical 3 of 23 results Mar 19, 2008 Apr 23, 2014
Monobromoacetic Acid 2453 Organic Chemical 2 of 17 results Oct 15, 2019 Dec 18, 2024
Ethylbenzene 2992 Organic Chemical 2 of 42 results Jul 25, 2012 Jul 25, 2012
Cyanide 1024 Inorganic Chemical 1 of 20 results Apr 20, 2021 Apr 20, 2021

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 51–60 of 291 samples, newest first — collected February 3, 2021 to January 11, 2022. The summary above covers all 291.

34 results from the 10 samples listed here: 4 detected, 30 not detected. Across the whole record it is 377 of 1,752. 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 French Camp W/A #1, every result from 51 to 60 of 291 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
Jan 11, 2022 14:03
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220112-002
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 11, 2022 14:03, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 11, 2022 14:03, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 11, 2022 14:03, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Oct 13, 2021 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-211014-020
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 13, 2021 12:00, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2021 – Dec 31, 2021
Collected
Oct 13, 2021 12:01
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
RU-211014-064
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 13, 2021 12:01, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Sep 1, 2021 12:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-210902-024
Laboratory
MSDH Lab
5.22 ug/l , sample collected Sep 1, 2021 12:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2021 – Dec 31, 2021
Collected
May 19, 2021 12:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
RU-210520-010
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 19, 2021 12:00, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Apr 20, 2021 12:01
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-210421-026
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 20, 2021 12:01, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Apr 20, 2021 12:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-210421-027
Laboratory
MSDH Lab
0.0205 mg/l , sample collected Apr 20, 2021 12:10, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Feb 3, 2021 14:55
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-210204-005
Laboratory
MSDH Lab
65 mg/l , sample collected Feb 3, 2021 14:55, sampling point TF102 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 3, 2021 14:07
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-210204-004
Laboratory
MSDH Lab
53.2 mg/l , sample collected Feb 3, 2021 14:07, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 3, 2021 14:55
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-210204-023
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 3, 2021 14:55, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 3, 2021 14:55, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 3, 2021 14:55, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021

Routine (10).