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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

MS0080002 , Town of Carrollton

26 of the 57 analytes this system has been tested for have been detected at least once, across 415 samples on record.

The other 31 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 415 samples on record, detections range from August 22, 1993 to December 17, 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 Town of Carrollton, 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 161 of 183 results Aug 23, 1993 Sep 23, 2025
Lead 1030 Inorganic Chemical 139 of 183 results Aug 22, 1993 Sep 23, 2025
TTHM 2950 Organic Chemical 28 of 32 results Sep 13, 2004 Dec 17, 2025
Barium 1010 Inorganic Chemical 28 of 29 results Jun 25, 2002 Jan 28, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 25 of 32 results Sep 13, 2004 Dec 17, 2025
Chloroform 2941 Organic Chemical 25 of 25 results Jun 4, 2007 Dec 17, 2025
Fluoride 1025 Inorganic Chemical 23 of 28 results Jun 25, 2002 Jan 28, 2025
Chromium 1020 Inorganic Chemical 23 of 29 results Jun 25, 2002 Oct 28, 2024
Bromodichloromethane 2943 Organic Chemical 19 of 25 results Jun 22, 2009 Dec 17, 2025
Dichloroacetic Acid 2451 Organic Chemical 18 of 25 results Jun 22, 2009 Dec 17, 2025
Dibromochloromethane 2944 Organic Chemical 17 of 25 results Jun 22, 2009 Dec 17, 2025
Trichloroacetic Acid 2452 Organic Chemical 16 of 25 results Jun 22, 2009 Dec 17, 2025
Dibromoacetic Acid 2454 Organic Chemical 13 of 25 results Jun 22, 2009 Dec 17, 2025
Bromoform 2942 Organic Chemical 11 of 25 results Jun 22, 2009 Oct 6, 2025
Arsenic 1005 Inorganic Chemical 9 of 29 results Jan 23, 2006 Jan 28, 2025
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 23, 2019 Oct 28, 2024
Nickel 1036 Inorganic Chemical 7 of 29 results Dec 20, 2007 Oct 28, 2024
Nitrite 1041 Inorganic Chemical 6 of 63 results Jun 13, 2006 Jan 18, 2023
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 15 results Mar 13, 2012 Oct 10, 2012
Selenium 1045 Inorganic Chemical 5 of 29 results Feb 16, 2005 Mar 19, 2008
Monochloroacetic Acid 2450 Organic Chemical 4 of 25 results Dec 21, 2009 Sep 25, 2025
Cyanide 1024 Inorganic Chemical 3 of 27 results Dec 20, 2007 Mar 15, 2021
Cadmium 1015 Inorganic Chemical 3 of 29 results Feb 16, 2005 Jan 23, 2006
Nitrate-Nitrite 1038 Inorganic Chemical 2 of 63 results Jan 18, 2017 Jan 18, 2017
Nitrate 1040 Inorganic Chemical 2 of 63 results Jan 18, 2017 Jan 18, 2017
Monobromoacetic Acid 2453 Organic Chemical 1 of 25 results Jun 8, 2010 Jun 8, 2010

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 201–210 of 415 samples, newest first — collected May 2, 2011 to June 28, 2011. The summary above covers all 415.

56 results from the 10 samples listed here: 12 detected, 44 not detected. Across the whole record it is 602 of 1,801. 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 Carrollton, every result from 201 to 210 of 415 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
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110629-131PB
Laboratory
MSDH Lab
0.435 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110629-130PB
Laboratory
MSDH Lab
0.7053 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110629-129PB
Laboratory
MSDH Lab
0.0236 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110629-128PB
Laboratory
MSDH Lab
0.7506 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0032 mg/l , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110629-127PB
Laboratory
MSDH Lab
0.0072 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 27, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110629-135PB
Laboratory
MSDH Lab
0.1651 mg/l , sample collected Jun 27, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 27, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
May 25, 2011
Sampling point
TF103 Treatment PLNT T103
Sample type
Routine
Lab sample
110526-001CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2010 – Dec 31, 2012
Collected
May 25, 2011
Sampling point
TF103 Treatment PLNT T103
Sample type
Routine
Lab sample
110526-002VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 25, 2011, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Collected
May 2, 2011
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110503-035IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.015266 mg/l , sample collected May 2, 2011, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.000968 mg/l , sample collected May 2, 2011, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.231 mg/l , sample collected May 2, 2011, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 2, 2011
Sampling point
TF103 Treatment PLNT T103
Sample type
Routine
Lab sample
110503-034IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.040621 mg/l , sample collected May 2, 2011, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.001196 mg/l , sample collected May 2, 2011, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Fluoride 1025 EPA method 380-75WE Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2011, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012

Routine (10).