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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

MS0080006 , Town of North Carrollton

24 of the 57 analytes this system has been tested for have been detected at least once, across 354 samples on record.

The other 33 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 354 samples on record, detections range from July 26, 1993 to September 30, 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 North 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 140 of 149 results Jul 26, 1993 Sep 30, 2025
Lead 1030 Inorganic Chemical 97 of 149 results Jul 26, 1993 Sep 30, 2025
Barium 1010 Inorganic Chemical 33 of 33 results Jun 25, 2002 Jan 28, 2025
Fluoride 1025 Inorganic Chemical 29 of 33 results Jun 25, 2002 Jan 28, 2025
Chromium 1020 Inorganic Chemical 23 of 33 results Jun 25, 2002 May 9, 2022
TTHM 2950 Organic Chemical 17 of 18 results May 17, 2004 Jun 17, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 16 of 17 results Jun 28, 2007 Jun 17, 2025
Chloroform 2941 Organic Chemical 11 of 11 results Jun 28, 2007 Jun 17, 2025
Dichloroacetic Acid 2451 Organic Chemical 10 of 11 results Aug 9, 2011 Jun 17, 2025
Trichloroacetic Acid 2452 Organic Chemical 10 of 11 results Aug 9, 2011 Jun 17, 2025
Bromodichloromethane 2943 Organic Chemical 10 of 11 results Jun 28, 2007 Jun 17, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 15 results Mar 22, 2012 Oct 10, 2012
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 23, 2019 Oct 28, 2024
Dibromochloromethane 2944 Organic Chemical 8 of 11 results Jun 28, 2007 Jun 17, 2025
Nitrite 1041 Inorganic Chemical 8 of 56 results Jul 18, 2005 Jan 10, 2022
Dibromoacetic Acid 2454 Organic Chemical 5 of 11 results Aug 11, 2014 Jun 17, 2025
Bromoform 2942 Organic Chemical 5 of 11 results Jun 28, 2007 Jun 17, 2025
Nickel 1036 Inorganic Chemical 5 of 33 results Mar 19, 2008 May 21, 2019
Selenium 1045 Inorganic Chemical 5 of 33 results Feb 16, 2005 Mar 19, 2008
Cadmium 1015 Inorganic Chemical 5 of 33 results Jun 25, 2002 Feb 16, 2005
Sulfate 1055 Inorganic Chemical 5 of 6 results Jun 25, 2002 Jan 12, 2004
Cyanide 1024 Inorganic Chemical 3 of 30 results Jan 12, 2004 Sep 2, 2009
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 56 results Jun 7, 2006 Jun 7, 2006
Nitrate 1040 Inorganic Chemical 1 of 56 results Jun 7, 2006 Jun 7, 2006

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 354 samples, newest first — collected March 28, 2022 to June 23, 2022. The summary above covers all 354.

66 results from the 10 samples listed here: 18 detected, 48 not detected. Across the whole record it is 466 of 1,504. 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 North Carrollton, every result from 41 to 50 of 354 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 23, 2022 05:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220624-023
Laboratory
MSDH Lab
0.204 mg/l , sample collected Jun 23, 2022 05:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 23, 2022 05:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 23, 2022 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220624-022
Laboratory
MSDH Lab
0.175 mg/l , sample collected Jun 23, 2022 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1.5 ug/l , sample collected Jun 23, 2022 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 23, 2022 05:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220624-021
Laboratory
MSDH Lab
0.369 mg/l , sample collected Jun 23, 2022 05:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.6 ug/l , sample collected Jun 23, 2022 05:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 23, 2022 04:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220624-019
Laboratory
MSDH Lab
0.0329 mg/l , sample collected Jun 23, 2022 04:46, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.9 ug/l , sample collected Jun 23, 2022 04:46, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 23, 2022 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220624-018
Laboratory
MSDH Lab
0.457 mg/l , sample collected Jun 23, 2022 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 23, 2022 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 22, 2022 21:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220624-020
Laboratory
MSDH Lab
0.0688 mg/l , sample collected Jun 22, 2022 21:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1.4 ug/l , sample collected Jun 22, 2022 21:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 9, 2022 14:11
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-220510-023
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:11, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0223 mg/l , sample collected May 9, 2022 14:11, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:11, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0007 mg/l , sample collected May 9, 2022 14:11, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.109 mg/l , sample collected May 9, 2022 14:11, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:11, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:11, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:11, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:11, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:11, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:11, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 9, 2022 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-220510-022
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0219 mg/l , sample collected May 9, 2022 14:00, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.111 mg/l , sample collected May 9, 2022 14:00, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:00, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 9, 2022 14:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-220510-021
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:15, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0222 mg/l , sample collected May 9, 2022 14:15, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:15, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0011 mg/l , sample collected May 9, 2022 14:15, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.115 mg/l , sample collected May 9, 2022 14:15, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:15, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:15, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:15, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:15, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:15, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 9, 2022 14:15, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Mar 28, 2022 12:40
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
VO-220329-038
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 28, 2022 12:40, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022

Routine (10).