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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

MS0470106 , BCM Water Association

17 of the 57 analytes this system has been tested for have been detected at least once, across 266 samples on record.

The other 40 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 266 samples on record, detections range from July 16, 2002 to September 30, 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 BCM Water Association, 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 115 of 115 results Sep 27, 2004 Sep 6, 2023
Lead 1030 Inorganic Chemical 62 of 115 results Sep 27, 2004 Sep 6, 2023
Barium 1010 Inorganic Chemical 22 of 22 results Jul 16, 2002 Mar 11, 2025
Fluoride 1025 Inorganic Chemical 22 of 22 results Jul 16, 2002 Mar 11, 2025
Chromium 1020 Inorganic Chemical 12 of 22 results Jul 16, 2002 Feb 6, 2024
TTHM 2950 Organic Chemical 11 of 20 results Jul 12, 2004 Sep 30, 2025
Chloroform 2941 Organic Chemical 9 of 15 results Aug 28, 2007 Sep 30, 2025
Bromodichloromethane 2943 Organic Chemical 8 of 15 results Aug 28, 2007 Jun 2, 2025
Sodium 1052 Inorganic Chemical 5 of 5 results Sep 23, 2019 Mar 5, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 20 results Jun 14, 2010 Jun 25, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 13, 2011 Jul 17, 2012
Dibromochloromethane 2944 Organic Chemical 3 of 15 results Aug 14, 2013 Feb 10, 2025
Arsenic 1005 Inorganic Chemical 2 of 22 results Oct 25, 2021 Feb 6, 2024
Dichloroacetic Acid 2451 Organic Chemical 2 of 14 results Aug 14, 2013 Sep 24, 2020
Sulfate 1055 Inorganic Chemical 2 of 2 results Jul 16, 2002 Mar 8, 2004
Monobromoacetic Acid 2453 Organic Chemical 1 of 14 results Sep 24, 2020 Sep 24, 2020
Selenium 1045 Inorganic Chemical 1 of 22 results Mar 28, 2005 Mar 28, 2005

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 171–180 of 266 samples, newest first — collected August 11, 2008 to July 20, 2009. The summary above covers all 266.

21 results from the 10 samples listed here: 12 detected, 9 not detected. Across the whole record it is 287 of 1,278. 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 BCM Water Association, every result from 171 to 180 of 266 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
Jul 20, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090721-012PB
Laboratory
MSDH Lab
0.0464 mg/l , sample collected Jul 20, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 20, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 20, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090721-011PB
Laboratory
MSDH Lab
0.0146 mg/l , sample collected Jul 20, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 20, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 20, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090721-010PB
Laboratory
MSDH Lab
0.2111 mg/l , sample collected Jul 20, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 20, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 20, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090721-009PB
Laboratory
MSDH Lab
0.0216 mg/l , sample collected Jul 20, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0026 mg/l , sample collected Jul 20, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 20, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090721-008PB
Laboratory
MSDH Lab
0.0056 mg/l , sample collected Jul 20, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 20, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 20, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090721-007PB
Laboratory
MSDH Lab
0.0754 mg/l , sample collected Jul 20, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 20, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
May 6, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090507-047NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected May 6, 2009, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected May 6, 2009, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected May 6, 2009, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Aug 11, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080814-054PB
Laboratory
MSDH Lab
0.0226 mg/l , sample collected Aug 11, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 11, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
Collected
Aug 11, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080814-053PB
Laboratory
MSDH Lab
0.0221 mg/l , sample collected Aug 11, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
0.006 mg/l , sample collected Aug 11, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
Collected
Aug 11, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080814-052PB
Laboratory
MSDH Lab
0.1852 mg/l , sample collected Aug 11, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008
0.0005 mg/l , sample collected Aug 11, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2008 – Dec 31, 2008

Routine (10).