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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 391–400 of 895 samples, newest first — collected April 2, 2014 to December 2, 2014. The summary above covers all 895.

61 results from the 10 samples listed here: 7 detected, 54 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.

Chemical and radiological sample results for Tallahala W/A-Antioch, every result from 391 to 400 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
Dec 2, 2014 10:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
141204-049PB
Laboratory
MSDH Lab
0.4701 mg/l , sample collected Dec 2, 2014 10:52, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 2, 2014 10:52, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
Collected
Dec 2, 2014 11:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
141204-048PB
Laboratory
MSDH Lab
0.1334 mg/l , sample collected Dec 2, 2014 11:08, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 2, 2014 11:08, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
Collected
Dec 2, 2014 10:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
141204-047PB
Laboratory
MSDH Lab
0.5273 mg/l , sample collected Dec 2, 2014 10:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
0.0006 mg/l , sample collected Dec 2, 2014 10:50, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
Collected
Dec 2, 2014 07:55
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
141204-046PB
Laboratory
MSDH Lab
0.478 mg/l , sample collected Dec 2, 2014 07:55, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 2, 2014 07:55, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
Collected
Dec 2, 2014
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
141204-045PB
Laboratory
MSDH Lab
0.3201 mg/l , sample collected Dec 2, 2014, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
0.0031 mg/l , sample collected Dec 2, 2014, sampling point DS000 Lead 1030 EPA method 200.8 Jul 1, 2014 – Dec 31, 2014
Collected
Jun 17, 2014 02:32
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
140618-009VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Dichloromethane 2964 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Benzene 2990 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Toluene 2991 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:32, sampling point TF104 Styrene 2996 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Collected
Jun 17, 2014 02:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140618-008VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 17, 2014 02:10, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2014 – Dec 31, 2014
Collected
Apr 2, 2014 13:31
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
140403-083NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:31, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:31, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:31, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Apr 2, 2014 13:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
140403-056NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Apr 2, 2014 13:10
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
140403-055NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:10, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:10, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 2, 2014 13:10, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014

Routine (10).