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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

MS0090007 , City of Okolona

17 of the 57 analytes this system has been tested for have been detected at least once, across 467 samples on record.

The other 40 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 467 samples on record, detections range from November 17, 1993 to September 10, 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 City of Okolona, 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 211 of 244 results Nov 17, 1993 Sep 10, 2025
Lead 1030 Inorganic Chemical 148 of 244 results Nov 17, 1993 May 30, 2022
Barium 1010 Inorganic Chemical 33 of 33 results Jul 15, 2002 Jan 15, 2025
Fluoride 1025 Inorganic Chemical 30 of 33 results Jan 12, 2004 Jan 15, 2025
Chromium 1020 Inorganic Chemical 18 of 33 results Jul 15, 2002 Jan 15, 2025
Nickel 1036 Inorganic Chemical 15 of 33 results Jan 12, 2004 Jan 15, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 6, 2012 Oct 3, 2012
Arsenic 1005 Inorganic Chemical 12 of 33 results Sep 26, 2018 Jan 15, 2025
Selenium 1045 Inorganic Chemical 11 of 33 results Jan 12, 2004 Mar 24, 2008
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 18, 2019 Oct 15, 2024
Nitrite 1041 Inorganic Chemical 8 of 66 results Apr 9, 2007 Jan 10, 2022
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 24 results Jul 9, 2007 Mar 20, 2023
Cyanide 1024 Inorganic Chemical 3 of 33 results Apr 24, 2018 Apr 13, 2021
Cadmium 1015 Inorganic Chemical 3 of 33 results Feb 14, 2005 Feb 14, 2005
Monochloroacetic Acid 2450 Organic Chemical 1 of 17 results Jul 9, 2019 Jul 9, 2019
Monobromoacetic Acid 2453 Organic Chemical 1 of 17 results Jul 12, 2011 Jul 12, 2011
TTHM 2950 Organic Chemical 1 of 21 results Jul 9, 2007 Jul 9, 2007

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 291–300 of 467 samples, newest first — collected April 13, 2009 to April 13, 2009. The summary above covers all 467.

20 results from the 10 samples listed here: 18 detected, 2 not detected. Across the whole record it is 525 of 1,803. 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 City of Okolona, every result from 291 to 300 of 467 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
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-015PB
Laboratory
MSDH Lab
0.1442 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
0.0026 mg/l , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-014PB
Laboratory
MSDH Lab
0.1687 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
0.0353 mg/l , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-013PB
Laboratory
MSDH Lab
0.0205 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-012PB
Laboratory
MSDH Lab
0.0313 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-010PB
Laboratory
MSDH Lab
0.0781 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
0.0026 mg/l , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-009PB
Laboratory
MSDH Lab
0.0203 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
0.002 mg/l , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-008PB
Laboratory
MSDH Lab
0.0377 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
0.0006 mg/l , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-007PB
Laboratory
MSDH Lab
0.5996 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
0.173 mg/l , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-006PB
Laboratory
MSDH Lab
0.0492 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
0.0064 mg/l , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
Collected
Apr 13, 2009
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
090414-005PB
Laboratory
MSDH Lab
0.0081 mg/l , sample collected Apr 13, 2009, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009
0.0023 mg/l , sample collected Apr 13, 2009, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Jun 30, 2009

Routine (10).