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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 31–40 of 209 samples, newest first — collected October 19, 2022 to September 19, 2023. The summary above covers all 209.

25 results from the 10 samples listed here: 11 detected, 14 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.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Buffalo Water Association, every result from 31 to 40 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
Sep 19, 2023 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230925-015
Laboratory
MSDH Lab
0.144 mg/l , sample collected Sep 19, 2023 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1.2 ug/l , sample collected Sep 19, 2023 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 19, 2023 07:32
Sampling point
LC0020 Location withheld
Sample type
Routine
Lab sample
PB-230925-014
Laboratory
MSDH Lab
0.0807 mg/l , sample collected Sep 19, 2023 07:32, sampling point LC0020 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
3 ug/l , sample collected Sep 19, 2023 07:32, sampling point LC0020 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 19, 2023 06:30
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-230925-013
Laboratory
MSDH Lab
0.476 mg/l , sample collected Sep 19, 2023 06:30, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
2.3 ug/l , sample collected Sep 19, 2023 06:30, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 13, 2023 14:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230914-001
Laboratory
MSDH Lab
1.18 ug/l , sample collected Sep 13, 2023 14:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2023
Collected
Sep 13, 2023 14:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230914-001
Laboratory
MSDH Lab
1.46 ug/l , sample collected Sep 13, 2023 14:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Mar 22, 2023 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-230323-003
Laboratory
MSDH Lab
6.52 mg/l , sample collected Mar 22, 2023 13:30, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 22, 2023 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230323-003
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 22, 2023 13:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 22, 2023 13:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 22, 2023 13:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Dec 12, 2022 15:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-221213-014
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 12, 2022 15:00, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Nov 28, 2022 10:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-221129-026
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0882 mg/l , sample collected Nov 28, 2022 10:30, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 28, 2022 10:30, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 19, 2022 15:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-221020-005
Laboratory
MSDH Lab
1.11 ug/l , sample collected Oct 19, 2022 15:10, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded

Routine (10).