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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

MS0790002 , Buffalo Water Association

37 of the 71 analytes this system has been tested for have been detected at least once, across 209 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 209 samples on record, detections range from November 12, 2003 to August 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 Buffalo 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 61 of 61 results Sep 20, 2007 Sep 21, 2023
Lead 1030 Inorganic Chemical 53 of 61 results Sep 20, 2007 Sep 21, 2023
Barium 1010 Inorganic Chemical 13 of 13 results Nov 12, 2003 Apr 2, 2025
TTHM 2950 Organic Chemical 10 of 18 results Sep 13, 2004 Aug 18, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 17 results Sep 27, 2007 Aug 18, 2025
Fluoride 1025 Inorganic Chemical 7 of 14 results May 2, 2005 Apr 2, 2025
Chloroform 2941 Organic Chemical 5 of 13 results Feb 26, 2024 Aug 18, 2025
Bromodichloromethane 2943 Organic Chemical 5 of 13 results Feb 26, 2024 Aug 18, 2025
Dibromochloromethane 2944 Organic Chemical 5 of 13 results Feb 26, 2024 Aug 18, 2025
Nickel 1036 Inorganic Chemical 5 of 13 results May 2, 2005 Apr 2, 2025
Chromium 1020 Inorganic Chemical 5 of 13 results Nov 12, 2003 Feb 5, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 7, 2011 Jul 12, 2012
Sodium 1052 Inorganic Chemical 4 of 4 results Jan 9, 2018 Mar 22, 2023
Gross Alpha Particle Activity 4109 Radionuclide 4 of 4 results Dec 7, 2011 Jul 11, 2012
Dichloroacetic Acid 2451 Organic Chemical 3 of 11 results Jun 30, 2011 Aug 18, 2025
Arsenic 1005 Inorganic Chemical 3 of 13 results May 28, 2013 May 29, 2019
Sulfate 1055 Inorganic Chemical 3 of 3 results Nov 12, 2003 Jan 9, 2018
Monobromoacetic Acid 2453 Organic Chemical 2 of 11 results Jun 30, 2011 Oct 28, 2020
Selenium 1045 Inorganic Chemical 2 of 13 results Nov 12, 2003 May 2, 2005
Dibromoacetic Acid 2454 Organic Chemical 1 of 11 results Aug 18, 2025 Aug 18, 2025
Bromoform 2942 Organic Chemical 1 of 13 results Aug 18, 2025 Aug 18, 2025
Calcium 1016 Inorganic Chemical 1 of 1 result Jan 9, 2018 Jan 9, 2018
Chloride 1017 Inorganic Chemical 1 of 1 result Jan 9, 2018 Jan 9, 2018
Iron 1028 Inorganic Chemical 1 of 1 result Jan 9, 2018 Jan 9, 2018
Magnesium 1031 Inorganic Chemical 1 of 1 result Jan 9, 2018 Jan 9, 2018
Manganese 1032 Inorganic Chemical 1 of 1 result Jan 9, 2018 Jan 9, 2018
Potassium 1042 Inorganic Chemical 1 of 1 result Jan 9, 2018 Jan 9, 2018
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Jan 9, 2018 Jan 9, 2018
Carbon Dioxide 1901 Water Quality 1 of 1 result Jan 9, 2018 Jan 9, 2018
Color 1905 Water Quality 1 of 1 result Jan 9, 2018 Jan 9, 2018
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Jan 9, 2018 Jan 9, 2018
Alkalinity, Total 1927 Water Quality 1 of 1 result Jan 9, 2018 Jan 9, 2018
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Jan 9, 2018 Jan 9, 2018
Calculated Sodium NACA Water Quality 1 of 1 result Jan 9, 2018 Jan 9, 2018
PH, Field Result PHFD Water Quality 1 of 1 result Jan 9, 2018 Jan 9, 2018
Xylenes, Total 2955 Organic Chemical 1 of 39 results May 8, 2012 May 8, 2012
Cadmium 1015 Inorganic Chemical 1 of 13 results May 2, 2005 May 2, 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 51–60 of 209 samples, newest first — collected September 28, 2020 to October 28, 2020. The summary above covers all 209.

24 results from the 10 samples listed here: 18 detected, 6 not detected. Across the whole record it is 222 of 1,420. 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 Buffalo Water Association, every result from 51 to 60 of 209 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 28, 2020 15:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
201029-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Oct 28, 2020 15:10, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 28, 2020 15:10, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 28, 2020 15:10, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Oct 28, 2020 15:10, 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, 2020 15:10, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Oct 28, 2020 15:10, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Sep 28, 2020 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-099PB
Laboratory
MSDH Lab
0.069 mg/l , sample collected Sep 28, 2020 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0006 mg/l , sample collected Sep 28, 2020 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 28, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-105PB
Laboratory
MSDH Lab
0.0302 mg/l , sample collected Sep 28, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0019 mg/l , sample collected Sep 28, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 28, 2020 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-106PB
Laboratory
MSDH Lab
0.0879 mg/l , sample collected Sep 28, 2020 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0011 mg/l , sample collected Sep 28, 2020 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 28, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-104PB
Laboratory
MSDH Lab
0.1773 mg/l , sample collected Sep 28, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0011 mg/l , sample collected Sep 28, 2020 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 28, 2020 06:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-103PB
Laboratory
MSDH Lab
0.0591 mg/l , sample collected Sep 28, 2020 06:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0009 mg/l , sample collected Sep 28, 2020 06:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 28, 2020 09:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-102PB
Laboratory
MSDH Lab
0.0874 mg/l , sample collected Sep 28, 2020 09:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0005 mg/l , sample collected Sep 28, 2020 09:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 28, 2020 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-101PB
Laboratory
MSDH Lab
0.0773 mg/l , sample collected Sep 28, 2020 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2020 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 28, 2020 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-100PB
Laboratory
MSDH Lab
0.2256 mg/l , sample collected Sep 28, 2020 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0017 mg/l , sample collected Sep 28, 2020 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 28, 2020 06:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200929-098PB
Laboratory
MSDH Lab
0.4818 mg/l , sample collected Sep 28, 2020 06:05, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 28, 2020 06:05, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).