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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

MS0310001 , Tallahala W/A-Antioch

23 of the 57 analytes this system has been tested for have been detected at least once, across 895 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 895 samples on record, detections range from September 22, 2003 to October 1, 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 Tallahala W/A-Antioch, 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 429 of 429 results Aug 29, 2007 Jul 23, 2024
Lead 1030 Inorganic Chemical 323 of 429 results Aug 29, 2007 Jul 23, 2024
Barium 1010 Inorganic Chemical 57 of 59 results Sep 22, 2003 Feb 25, 2025
Chromium 1020 Inorganic Chemical 35 of 59 results Sep 22, 2003 Feb 25, 2025
TTHM 2950 Organic Chemical 26 of 26 results Jun 14, 2004 Oct 1, 2025
Fluoride 1025 Inorganic Chemical 23 of 59 results Sep 22, 2003 Feb 25, 2025
Nickel 1036 Inorganic Chemical 19 of 59 results Mar 1, 2004 Feb 25, 2025
Xylenes, Total 2955 Organic Chemical 19 of 119 results Apr 28, 2004 Jul 12, 2022
Chloroform 2941 Organic Chemical 18 of 18 results May 17, 2006 Oct 1, 2025
Sodium 1052 Inorganic Chemical 18 of 18 results Sep 19, 2019 Feb 4, 2025
Bromodichloromethane 2943 Organic Chemical 17 of 18 results May 17, 2006 Oct 1, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 16 of 26 results Mar 29, 2006 Apr 1, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 16 of 21 results Mar 6, 2012 Jan 9, 2018
Dibromochloromethane 2944 Organic Chemical 13 of 18 results May 17, 2006 Oct 1, 2025
Sulfate 1055 Inorganic Chemical 10 of 10 results Sep 22, 2003 Mar 1, 2004
Nitrate-Nitrite 1038 Inorganic Chemical 8 of 128 results Mar 23, 2015 Apr 24, 2024
Nitrate 1040 Inorganic Chemical 8 of 128 results Mar 23, 2015 Apr 24, 2024
Dichloroacetic Acid 2451 Organic Chemical 6 of 15 results Sep 24, 2008 Sep 17, 2024
Trichloroacetic Acid 2452 Organic Chemical 6 of 15 results Sep 24, 2008 Sep 17, 2024
Ethylbenzene 2992 Organic Chemical 6 of 119 results Aug 3, 2004 Jun 2, 2005
Monochloroacetic Acid 2450 Organic Chemical 2 of 15 results Aug 6, 2018 Mar 4, 2020
Nitrite 1041 Inorganic Chemical 1 of 128 results Feb 21, 2023 Feb 21, 2023
Carbon Tetrachloride 2982 Organic Chemical 1 of 119 results Jul 12, 2022 Jul 12, 2022

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 895 samples, newest first — collected July 23, 2024 to July 23, 2024. The summary above covers all 895.

20 results from the 10 samples listed here: 13 detected, 7 not detected. Across the whole record it is 1,077 of 4,784. 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 6 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 Tallahala W/A-Antioch, every result from 41 to 50 of 895 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
Jul 23, 2024 06:00
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-240724-032
Laboratory
MSDH Lab
0.126 mg/l , sample collected Jul 23, 2024 06:00, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2024 06:00, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 06:30
Sampling point
LC0016 Location withheld
Sample type
Routine
Lab sample
PB-240724-033
Laboratory
MSDH Lab
0.0287 mg/l , sample collected Jul 23, 2024 06:30, sampling point LC0016 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2024 06:30, sampling point LC0016 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 05:30
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-240724-034
Laboratory
MSDH Lab
0.0385 mg/l , sample collected Jul 23, 2024 05:30, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2024 05:30, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-240724-035
Laboratory
MSDH Lab
0.0605 mg/l , sample collected Jul 23, 2024 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2024 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 08:00
Sampling point
LC0010 Location withheld
Sample type
Routine
Lab sample
PB-240724-037
Laboratory
MSDH Lab
0.0641 mg/l , sample collected Jul 23, 2024 08:00, sampling point LC0010 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2024 08:00, sampling point LC0010 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 07:45
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-240724-036
Laboratory
MSDH Lab
0.068 mg/l , sample collected Jul 23, 2024 07:45, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2024 07:45, sampling point LC0015 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 08:00
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-240724-031
Laboratory
MSDH Lab
0.0959 mg/l , sample collected Jul 23, 2024 08:00, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
1 ug/l , sample collected Jul 23, 2024 08:00, sampling point LC0012 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-240724-038
Laboratory
MSDH Lab
0.18 mg/l , sample collected Jul 23, 2024 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
4.4 ug/l , sample collected Jul 23, 2024 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-240724-039
Laboratory
MSDH Lab
0.0181 mg/l , sample collected Jul 23, 2024 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
1 ug/l , sample collected Jul 23, 2024 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 23, 2024 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-240724-040
Laboratory
MSDH Lab
0.0178 mg/l , sample collected Jul 23, 2024 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 23, 2024 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024

Routine (10).