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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

MS0560005 , Runnelstown-North

27 of the 57 analytes this system has been tested for have been detected at least once, across 352 samples on record.

The other 30 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 352 samples on record, detections range from October 15, 2003 to May 18, 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 Runnelstown-North, 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 63 of 63 results Aug 8, 2007 Sep 13, 2023
Lead 1030 Inorganic Chemical 40 of 63 results Aug 8, 2007 Sep 13, 2023
Barium 1010 Inorganic Chemical 34 of 34 results Oct 15, 2003 Mar 18, 2025
Fluoride 1025 Inorganic Chemical 34 of 34 results Oct 15, 2003 Mar 18, 2025
Chromium 1020 Inorganic Chemical 21 of 34 results Oct 15, 2003 Mar 25, 2020
TTHM 2950 Organic Chemical 15 of 20 results Jul 28, 2004 May 18, 2026
Chloroform 2941 Organic Chemical 12 of 15 results Oct 4, 2007 May 18, 2026
Xylenes, Total 2955 Organic Chemical 11 of 82 results Jul 27, 2010 Jul 23, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 11 of 18 results Mar 13, 2012 Jun 28, 2018
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 20 results Jun 22, 2010 Jun 17, 2024
Trichloroacetic Acid 2452 Organic Chemical 7 of 14 results Jun 22, 2010 May 18, 2026
Sodium 1052 Inorganic Chemical 6 of 6 results Mar 7, 2022 Feb 26, 2025
Bromodichloromethane 2943 Organic Chemical 6 of 15 results Jun 22, 2010 Jun 3, 2024
Dibromochloromethane 2944 Organic Chemical 6 of 15 results Jun 22, 2010 Jun 3, 2024
Nickel 1036 Inorganic Chemical 6 of 34 results Mar 15, 2004 Apr 29, 2013
Selenium 1045 Inorganic Chemical 6 of 34 results Apr 11, 2005 Mar 22, 2006
Sulfate 1055 Inorganic Chemical 6 of 6 results Oct 15, 2003 Mar 15, 2004
Dichloroacetic Acid 2451 Organic Chemical 5 of 14 results Jun 22, 2010 Jun 3, 2024
Cadmium 1015 Inorganic Chemical 3 of 34 results Apr 11, 2005 Apr 11, 2005
Radium-226 4020 Radionuclide 2 of 18 results Jan 9, 2018 Sep 17, 2019
Dichloromethane 2964 Organic Chemical 2 of 82 results Apr 29, 2013 Apr 29, 2013
Mercury 1035 Inorganic Chemical 1 of 34 results Oct 10, 2022 Oct 10, 2022
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 18 results Sep 17, 2019 Sep 17, 2019
Radium-228 4030 Radionuclide 1 of 18 results Sep 17, 2019 Sep 17, 2019
Cyanide 1024 Inorganic Chemical 1 of 27 results Jun 15, 2015 Jun 15, 2015
Combined Uranium 4006 Radionuclide 1 of 20 results May 22, 2012 May 22, 2012
Uranium-238 4009 Radionuclide 1 of 3 results Mar 22, 2006 Mar 22, 2006

Showing samples collected between September 26, 2024 and September 26, 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 11–18 of 18 samples, newest first — collected November 18, 2024 to March 18, 2025. The summary above covers all 18.

68 results from the 8 samples listed here: 11 detected, 57 not detected. 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 2 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 Runnelstown-North, every result from 11 to 18 of 18 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
Mar 18, 2025 07:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250319-032
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0095 mg/l , sample collected Mar 18, 2025 07:45, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.228 mg/l , sample collected Mar 18, 2025 07:45, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 07:45, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 18, 2025 08:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250319-033
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.0376 mg/l , sample collected Mar 18, 2025 08:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.188 mg/l , sample collected Mar 18, 2025 08:00, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 18, 2025 08:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 4, 2025 08:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
VO-250305-005
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 4, 2025 08:30, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Feb 26, 2025 08:45
Sampling point
TF104 Treatment Facility TF104
Sample type
Routine
Lab sample
NA-250227-029
Laboratory
MSDH Lab
69.4 mg/l , sample collected Feb 26, 2025 08:45, sampling point TF104 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 26, 2025 09:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NA-250227-028
Laboratory
MSDH Lab
46 mg/l , sample collected Feb 26, 2025 09:15, sampling point TF103 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 26, 2025 09:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-250227-027
Laboratory
MSDH Lab
68.4 mg/l , sample collected Feb 26, 2025 09:00, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2023 – Dec 31, 2025
Collected
Nov 18, 2024 08:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-128655-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2024 – Dec 31, 2024
1.3 ug/l , sample collected Nov 18, 2024 08:00, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:00, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.3 ug/l , sample collected Nov 18, 2024 08:00, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Nov 18, 2024 08:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-128655-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2024 – Dec 31, 2024
1.3 ug/l , sample collected Nov 18, 2024 08:30, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Nov 18, 2024 08:30, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.3 ug/l , sample collected Nov 18, 2024 08:30, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024

Routine (8).