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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; the list of samples further down is narrowed.

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

Showing samples collected between September 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 21–24 of 24 samples, newest first — collected December 3, 2024 to December 3, 2024. The summary above covers all 24.

8 results from the 4 samples listed here: 2 detected, 6 not detected. 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 21 to 24 of 24 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
Dec 3, 2024 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-241204-009
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 3, 2024 12:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Dec 3, 2024 12:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Dec 3, 2024 12:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Dec 3, 2024 12:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-241204-010
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 3, 2024 12:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Dec 3, 2024 12:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Dec 3, 2024 12:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Dec 3, 2024 12:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-241204-014
Laboratory
MSDH Lab
66.7 mg/l , sample collected Dec 3, 2024 12:00, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Dec 3, 2024 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-241204-013
Laboratory
MSDH Lab
55.7 mg/l , sample collected Dec 3, 2024 12:15, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024

Routine (4).