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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 251–260 of 291 samples, newest first — collected November 30, 2000 to October 6, 2003. The summary above covers all 291.

48 results from the 10 samples listed here: 13 detected, 35 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 251 to 260 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
Oct 6, 2003
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
031007-093CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Oct 6, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031007-090CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Oct 6, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031007-033IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
0.013 mg/l , sample collected Oct 6, 2003, sampling point TF102 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Cadmium 1015 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Oct 6, 2003, sampling point TF102 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Oct 6, 2003
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
031007-032IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded
0.017 mg/l , sample collected Oct 6, 2003, sampling point TF101 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Cadmium 1015 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Oct 6, 2003, sampling point TF101 Chromium 1020 EPA method 200.8 Not recorded
0.105 mg/l , sample collected Oct 6, 2003, sampling point TF101 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
May 14, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020515-048IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded
0.017 mg/l , sample collected May 14, 2002, sampling point TF101 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Cadmium 1015 EPA method 200.8 Not recorded
0.005 mg/l , sample collected May 14, 2002, sampling point TF101 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 14, 2002, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Nov 30, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001201-021L
Laboratory
MSDH Lab
0.258 mg/l , sample collected Nov 30, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Nov 30, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 30, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001201-018L
Laboratory
MSDH Lab
0.392 mg/l , sample collected Nov 30, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Nov 30, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 30, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001201-017L
Laboratory
MSDH Lab
0.467 mg/l , sample collected Nov 30, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Nov 30, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 30, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001201-016L
Laboratory
MSDH Lab
0.146 mg/l , sample collected Nov 30, 2000, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Nov 30, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Nov 30, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001201-015L
Laboratory
MSDH Lab
0.095 mg/l , sample collected Nov 30, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Nov 30, 2000, sampling point DS000 Lead 1030 Not recorded

Routine (10).