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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

MS0450003 , Big Black Water Association

25 of the 62 analytes this system has been tested for have been detected at least once, across 470 samples on record.

The other 37 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 470 samples on record, detections range from October 6, 2003 to June 30, 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 Big Black 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
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 141 of 141 results Sep 13, 2004 Jun 30, 2026
TTHM 2950 Organic Chemical 140 of 140 results Sep 13, 2004 Jun 30, 2026
Bromodichloromethane 2943 Organic Chemical 102 of 102 results May 25, 2006 Jun 30, 2026
Chloroform 2941 Organic Chemical 101 of 101 results May 25, 2006 Jun 30, 2026
Dichloroacetic Acid 2451 Organic Chemical 96 of 96 results Oct 11, 2007 Jun 30, 2026
Trichloroacetic Acid 2452 Organic Chemical 94 of 96 results Oct 11, 2007 Jun 30, 2026
Copper, Free 1022 Inorganic Chemical 65 of 65 results Aug 6, 2008 Sep 15, 2023
Lead 1030 Inorganic Chemical 51 of 65 results Aug 6, 2008 Sep 15, 2023
Fluoride 1025 Inorganic Chemical 22 of 22 results Oct 6, 2003 Mar 10, 2025
Barium 1010 Inorganic Chemical 20 of 20 results Oct 6, 2003 Mar 10, 2025
Monochloroacetic Acid 2450 Organic Chemical 20 of 96 results Oct 28, 2008 Dec 8, 2020
Chromium 1020 Inorganic Chemical 15 of 20 results Oct 6, 2003 Apr 8, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 6, 2011 Jul 11, 2012
Sodium 1052 Inorganic Chemical 8 of 8 results Sep 18, 2019 Feb 25, 2025
Monobromoacetic Acid 2453 Organic Chemical 3 of 96 results Apr 18, 2012 Sep 1, 2020
Dibromochloromethane 2944 Organic Chemical 3 of 102 results Apr 29, 2008 Mar 15, 2010
Calcium 1016 Inorganic Chemical 2 of 2 results Apr 14, 2021 Apr 14, 2021
Chloride 1017 Inorganic Chemical 2 of 2 results Apr 14, 2021 Apr 14, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 2 of 2 results Apr 14, 2021 Apr 14, 2021
Color 1905 Water Quality 2 of 2 results Apr 14, 2021 Apr 14, 2021
Alkalinity, Total 1927 Water Quality 2 of 2 results Apr 14, 2021 Apr 14, 2021
Cadmium 1015 Inorganic Chemical 2 of 20 results Mar 28, 2005 Mar 28, 2005
Nickel 1036 Inorganic Chemical 2 of 20 results Mar 28, 2005 Mar 28, 2005
Bromoform 2942 Organic Chemical 1 of 102 results Apr 29, 2008 Apr 29, 2008
Dichloromethane 2964 Organic Chemical 1 of 16 results Aug 10, 2004 Aug 10, 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 391–400 of 470 samples, newest first — collected August 7, 2008 to January 28, 2009. The summary above covers all 470.

41 results from the 10 samples listed here: 26 detected, 15 not detected. Across the whole record it is 907 of 2,082. 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 Big Black Water Association, every result from 391 to 400 of 470 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 28, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090129-010TH
Laboratory
MSDH Lab
48.5 ug/l , sample collected Jan 28, 2009, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jan 28, 2009, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
2.77 ug/l , sample collected Jan 28, 2009, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jan 28, 2009, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
51.27 ug/l , sample collected Jan 28, 2009, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2009 – Mar 31, 2009
Collected
Jan 28, 2009
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
090129-010HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jan 28, 2009, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.019 mg/l , sample collected Jan 28, 2009, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.033 mg/l , sample collected Jan 28, 2009, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2009, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 28, 2009, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.05 mg/l , sample collected Jan 28, 2009, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2009 – Mar 31, 2009
Collected
Oct 28, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
081029-010TH
Laboratory
MSDH Lab
45.9 ug/l , sample collected Oct 28, 2008, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 28, 2008, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
2.5 ug/l , sample collected Oct 28, 2008, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 28, 2008, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
48.4 ug/l , sample collected Oct 28, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Oct 1, 2008 – Dec 31, 2008
Collected
Oct 28, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
081029-010HA
Laboratory
MSDH Lab
0.003 mg/l , sample collected Oct 28, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.018 mg/l , sample collected Oct 28, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.022 mg/l , sample collected Oct 28, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 28, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 28, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.04 mg/l , sample collected Oct 28, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2008 – Dec 31, 2008
Collected
Aug 28, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080829-003TH
Laboratory
MSDH Lab
74.5 ug/l , sample collected Aug 28, 2008, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 28, 2008, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
7.27 ug/l , sample collected Aug 28, 2008, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 28, 2008, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
81.77 ug/l , sample collected Aug 28, 2008, sampling point MRT000 TTHM 2950 EPA method 524.2 Jul 1, 2008 – Sep 30, 2008
Collected
Aug 28, 2008
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
080829-003HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 28, 2008, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Aug 28, 2008, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.025 mg/l , sample collected Aug 28, 2008, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 28, 2008, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 28, 2008, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.04 mg/l , sample collected Aug 28, 2008, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jul 1, 2008 – Sep 30, 2008
Collected
Aug 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080808-010PB
Laboratory
MSDH Lab
0.1582 mg/l , sample collected Aug 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0016 mg/l , sample collected Aug 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080808-008PB
Laboratory
MSDH Lab
0.0119 mg/l , sample collected Aug 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0042 mg/l , sample collected Aug 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080808-007PB
Laboratory
MSDH Lab
0.1869 mg/l , sample collected Aug 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0031 mg/l , sample collected Aug 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Aug 7, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080808-006PB
Laboratory
MSDH Lab
0.005 mg/l , sample collected Aug 7, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 7, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008

Routine (10).