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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

MS0570010 , Town of Osyka

32 of the 73 analytes this system has been tested for have been detected at least once, across 132 samples on record.

The other 41 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 132 samples on record, detections range from October 22, 2003 to July 14, 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 Osyka, 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 48 of 48 results Aug 11, 2004 Sep 19, 2023
Lead 1030 Inorganic Chemical 25 of 48 results Aug 11, 2004 Sep 19, 2023
Nitrate-Nitrite 1038 Inorganic Chemical 23 of 23 results Jun 7, 2004 Jul 14, 2026
Nitrate 1040 Inorganic Chemical 23 of 23 results Jun 7, 2004 Jul 14, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Oct 22, 2003 Apr 8, 2025
Nickel 1036 Inorganic Chemical 10 of 10 results Oct 22, 2003 Apr 8, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 17, 2012
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 7 results Sep 5, 2007 Mar 18, 2025
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 30, 2008 Mar 10, 2025
TTHM 2950 Organic Chemical 3 of 7 results Jul 28, 2004 Jun 30, 2010
Selenium 1045 Inorganic Chemical 3 of 10 results Oct 22, 2003 Mar 22, 2006
Chromium 1020 Inorganic Chemical 2 of 10 results Nov 5, 2019 Apr 8, 2025
Fluoride 1025 Inorganic Chemical 1 of 11 results Oct 4, 2022 Oct 4, 2022
Monochloroacetic Acid 2450 Organic Chemical 1 of 3 results Dec 14, 2016 Dec 14, 2016
Calcium 1016 Inorganic Chemical 1 of 1 result Sep 30, 2008 Sep 30, 2008
Magnesium 1031 Inorganic Chemical 1 of 1 result Sep 30, 2008 Sep 30, 2008
Manganese 1032 Inorganic Chemical 1 of 1 result Sep 30, 2008 Sep 30, 2008
Potassium 1042 Inorganic Chemical 1 of 1 result Sep 30, 2008 Sep 30, 2008
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
Carbon Dioxide 1901 Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
Color 1905 Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
PH 1925 Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
Alkalinity, Total 1927 Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
Calculated Sodium NACA Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
PH, Field Result PHFD Water Quality 1 of 1 result Sep 30, 2008 Sep 30, 2008
Chloroform 2941 Organic Chemical 1 of 4 results Sep 5, 2007 Sep 5, 2007
Bromodichloromethane 2943 Organic Chemical 1 of 4 results Sep 5, 2007 Sep 5, 2007
Thallium, Total 1085 Inorganic Chemical 1 of 10 results Apr 13, 2005 Apr 13, 2005
Dichloromethane 2964 Organic Chemical 1 of 13 results Aug 24, 2004 Aug 24, 2004
Xylenes, Total 2955 Organic Chemical 1 of 13 results May 25, 2004 May 25, 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 11–20 of 132 samples, newest first — collected March 7, 2022 to September 19, 2023. The summary above covers all 132.

28 results from the 10 samples listed here: 12 detected, 16 not detected. Across the whole record it is 180 of 652. 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 4 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 Town of Osyka, every result from 11 to 20 of 132 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 10:15
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-230920-064
Laboratory
MSDH Lab
0.0312 mg/l , sample collected Sep 19, 2023 10:15, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 19, 2023 10:15, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 19, 2023 06:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-230920-063
Laboratory
MSDH Lab
0.0264 mg/l , sample collected Sep 19, 2023 06:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 19, 2023 06:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 19, 2023 08:22
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-230920-062
Laboratory
MSDH Lab
1.28 mg/l , sample collected Sep 19, 2023 08:22, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 19, 2023 08:22, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 19, 2023 08:45
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-230920-061
Laboratory
MSDH Lab
0.025 mg/l , sample collected Sep 19, 2023 08:45, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1.7 ug/l , sample collected Sep 19, 2023 08:45, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Mar 6, 2023 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230307-067
Laboratory
MSDH Lab
0.313 mg/l , sample collected Mar 6, 2023 13:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
0.313 mg/l , sample collected Mar 6, 2023 13:00, 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 6, 2023 13:00, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Dec 20, 2022 12:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-221221-003
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 20, 2022 12:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2020 – Dec 31, 2022
Collected
Dec 20, 2022 12:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-221221-003
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 20, 2022 12:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 4, 2022 12:20
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-221005-008
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 4, 2022 12:20, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0433 mg/l , sample collected Oct 4, 2022 12:20, 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 Oct 4, 2022 12:20, 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 Oct 4, 2022 12:20, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.641 mg/l , sample collected Oct 4, 2022 12:20, 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 Oct 4, 2022 12:20, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0022 mg/l , sample collected Oct 4, 2022 12:20, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Oct 4, 2022 12:20, 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 Oct 4, 2022 12:20, 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 Oct 4, 2022 12:20, 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 Oct 4, 2022 12:20, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Aug 31, 2022 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-220901-016
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 31, 2022 12:30, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Mar 7, 2022 13:01
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220308-034
Laboratory
MSDH Lab
0.395 mg/l , sample collected Mar 7, 2022 13:01, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
0.395 mg/l , sample collected Mar 7, 2022 13:01, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 7, 2022 13:01, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022

Routine (10).