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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

MS0360069 , Twelve Oaks Water System

11 of the 55 analytes this system has been tested for have been detected at least once, across 89 samples on record.

The other 44 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 89 samples on record, detections range from September 17, 2014 to July 6, 2026. These figures cover the whole record; the list of samples further down is narrowed.

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 Twelve Oaks Water System, 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 40 of 40 results Oct 26, 2015 Sep 17, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 13 of 13 results Nov 17, 2014 Jul 6, 2026
Nitrate 1040 Inorganic Chemical 13 of 13 results Nov 17, 2014 Jul 6, 2026
Lead 1030 Inorganic Chemical 7 of 40 results Oct 26, 2015 Sep 17, 2025
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 18, 2019 Feb 25, 2025
Barium 1010 Inorganic Chemical 3 of 3 results Apr 13, 2015 Feb 5, 2024
Chromium 1020 Inorganic Chemical 3 of 3 results Apr 13, 2015 Feb 5, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 2 of 2 results Sep 17, 2014 Dec 8, 2014
Combined Radium (-226 & -228) 4010 Radionuclide 2 of 2 results Sep 17, 2014 Dec 8, 2014
Radium-226 4020 Radionuclide 2 of 2 results Sep 17, 2014 Dec 8, 2014
Radium-228 4030 Radionuclide 1 of 2 results Sep 17, 2014 Sep 17, 2014

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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The most recent samples, result by result

The table below lists 11–11 of 11 samples, newest first — collected February 25, 2025 to February 25, 2025. The summary above covers all 11.

1 result from the 1 sample listed here: 0 detected, 1 not detected. 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 Twelve Oaks Water System, every result from 11 to 11 of 11 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
Feb 25, 2025 10:29
Sampling point
SMD Pressure Tank @ WL001
Sample type
Routine
Lab sample
HA-250226-008
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 25, 2025 10:29, sampling point SMD Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2023 – Dec 31, 2025

Routine (1).