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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

MS0810007 , Town of Oakland

41 of the 72 analytes this system has been tested for have been detected at least once, across 273 samples on record.

The other 31 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 273 samples on record, detections range from November 24, 2003 to February 10, 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 Town of Oakland, 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 61 of 61 results Sep 25, 2008 Aug 31, 2023
Lead 1030 Inorganic Chemical 41 of 61 results Sep 25, 2008 Aug 31, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 25 of 28 results Aug 16, 2010 Feb 10, 2026
TTHM 2950 Organic Chemical 25 of 27 results Aug 30, 2004 Feb 10, 2026
Fluoride 1025 Inorganic Chemical 25 of 26 results Nov 24, 2003 Apr 8, 2025
Barium 1010 Inorganic Chemical 24 of 24 results Nov 24, 2003 Apr 8, 2025
Dichloroacetic Acid 2451 Organic Chemical 17 of 21 results Aug 16, 2010 Feb 10, 2026
Chromium 1020 Inorganic Chemical 17 of 24 results Nov 24, 2003 Apr 8, 2025
Chloroform 2941 Organic Chemical 16 of 18 results Aug 16, 2010 Feb 10, 2026
Trichloroacetic Acid 2452 Organic Chemical 14 of 21 results Aug 16, 2010 Feb 10, 2026
Bromodichloromethane 2943 Organic Chemical 14 of 18 results Aug 16, 2010 Feb 10, 2026
Dibromochloromethane 2944 Organic Chemical 14 of 18 results Aug 16, 2010 Feb 10, 2026
Dibromoacetic Acid 2454 Organic Chemical 13 of 21 results Aug 16, 2010 Feb 10, 2026
Bromoform 2942 Organic Chemical 11 of 18 results Aug 16, 2010 Feb 10, 2026
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 21, 2011 Jul 13, 2012
Arsenic 1005 Inorganic Chemical 8 of 24 results Apr 17, 2006 Apr 8, 2025
Selenium 1045 Inorganic Chemical 8 of 24 results Apr 27, 2004 Dec 6, 2022
Sodium 1052 Inorganic Chemical 5 of 5 results Apr 20, 2009 Nov 5, 2024
Monochloroacetic Acid 2450 Organic Chemical 5 of 21 results Aug 16, 2010 Jul 12, 2018
Nickel 1036 Inorganic Chemical 4 of 24 results May 4, 2005 Apr 8, 2025
Monobromoacetic Acid 2453 Organic Chemical 4 of 21 results Aug 16, 2010 Mar 9, 2012
Cyanide 1024 Inorganic Chemical 2 of 26 results May 4, 2005 Dec 27, 2016
Thallium, Total 1085 Inorganic Chemical 2 of 24 results Oct 20, 2010 Oct 20, 2010
Calcium 1016 Inorganic Chemical 2 of 2 results Apr 20, 2009 Apr 22, 2010
Chloride 1017 Inorganic Chemical 2 of 2 results Apr 20, 2009 Apr 22, 2010
Manganese 1032 Inorganic Chemical 2 of 2 results Apr 20, 2009 Apr 22, 2010
Potassium 1042 Inorganic Chemical 2 of 2 results Apr 20, 2009 Apr 22, 2010
Sulfate 1055 Inorganic Chemical 2 of 7 results Nov 24, 2003 Apr 22, 2010
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Apr 20, 2009 Apr 22, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Apr 20, 2009 Apr 22, 2010
Carbon Dioxide 1901 Water Quality 2 of 2 results Apr 20, 2009 Apr 22, 2010
Color 1905 Water Quality 2 of 2 results Apr 20, 2009 Apr 22, 2010
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Apr 20, 2009 Apr 22, 2010
Alkalinity, Total 1927 Water Quality 2 of 2 results Apr 20, 2009 Apr 22, 2010
Calculated Sodium NACA Water Quality 2 of 2 results Apr 20, 2009 Apr 22, 2010
PH, Field Result PHFD Water Quality 2 of 2 results Apr 20, 2009 Apr 22, 2010
Toluene 2991 Organic Chemical 1 of 42 results Sep 23, 2013 Sep 23, 2013
Magnesium 1031 Inorganic Chemical 1 of 2 results Apr 22, 2010 Apr 22, 2010
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 47 results Jun 10, 2009 Jun 10, 2009
Nitrate 1040 Inorganic Chemical 1 of 47 results Jun 10, 2009 Jun 10, 2009
Mercury 1035 Inorganic Chemical 1 of 24 results Apr 27, 2004 Apr 27, 2004

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 271–273 of 273 samples, newest first — collected November 24, 2003 to November 24, 2003. The summary above covers all 273.

36 results from the 3 samples listed here: 10 detected, 26 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 Town of Oakland, every result from 271 to 273 of 273 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
Nov 24, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031125-013IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.02 mg/l , sample collected Nov 24, 2003, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.013 mg/l , sample collected Nov 24, 2003, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.285 mg/l , sample collected Nov 24, 2003, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Nov 24, 2003
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
031125-012IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF103 Arsenic 1005 EPA method 200.8 Not recorded
0.007 mg/l , sample collected Nov 24, 2003, sampling point TF103 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF103 Cadmium 1015 EPA method 200.8 Not recorded
0.009 mg/l , sample collected Nov 24, 2003, sampling point TF103 Chromium 1020 EPA method 200.8 Not recorded
0.175 mg/l , sample collected Nov 24, 2003, sampling point TF103 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF103 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF103 Selenium 1045 EPA method 200.8 Not recorded
12.2 mg/l , sample collected Nov 24, 2003, sampling point TF103 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Nov 24, 2003
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
031125-011IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded
0.021 mg/l , sample collected Nov 24, 2003, sampling point TF101 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF101 Cadmium 1015 EPA method 200.8 Not recorded
0.014 mg/l , sample collected Nov 24, 2003, sampling point TF101 Chromium 1020 EPA method 200.8 Not recorded
0.285 mg/l , sample collected Nov 24, 2003, sampling point TF101 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF101 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF101 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Nov 24, 2003, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 24, 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 Nov 24, 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 Nov 24, 2003, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Not recorded

Routine (3).