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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 41–50 of 132 samples, newest first — collected August 18, 2014 to March 20, 2017. The summary above covers all 132.

38 results from the 10 samples listed here: 14 detected, 24 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.

Chemical and radiological sample results for Town of Osyka, every result from 41 to 50 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
Mar 20, 2017 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
170321-017NI
Laboratory
MSDH Lab
0.37 mg/l , sample collected Mar 20, 2017 12:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
0.37 mg/l , sample collected Mar 20, 2017 12:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 20, 2017 12:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Dec 14, 2016 11:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
161215-003TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 TTHM 2950 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 14, 2016 11:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
161215-003HA
Laboratory
MSDH Lab
0.004 mg/l , sample collected Dec 14, 2016 11:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Dec 14, 2016 11:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Dec 14, 2016 11:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 12, 2016 11:45
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
161213-166IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0412 mg/l , sample collected Dec 12, 2016 11:45, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0008 mg/l , sample collected Dec 12, 2016 11:45, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 11:45, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
May 3, 2016 11:55
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
160504-032NI
Laboratory
MSDH Lab
0.4 mg/l , sample collected May 3, 2016 11:55, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
0.39 mg/l , sample collected May 3, 2016 11:55, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 3, 2016 11:55, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Jun 17, 2015 01:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
150618-015CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 17, 2015 01:00, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Apr 20, 2015 12:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
150421-085NI
Laboratory
MSDH Lab
0.29 mg/l , sample collected Apr 20, 2015 12:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
0.29 mg/l , sample collected Apr 20, 2015 12:30, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 20, 2015 12:30, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Sep 30, 2014 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
141001-006PB
Laboratory
MSDH Lab
0.0267 mg/l , sample collected Sep 30, 2014 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0006 mg/l , sample collected Sep 30, 2014 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 21, 2014 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140822-022PB
Laboratory
MSDH Lab
0.7348 mg/l , sample collected Aug 21, 2014 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 21, 2014 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Aug 18, 2014 10:19
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140822-025PB
Laboratory
MSDH Lab
1.0148 mg/l , sample collected Aug 18, 2014 10:19, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 18, 2014 10:19, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).