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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

MS0060012 , Town of Merigold

21 of the 57 analytes this system has been tested for have been detected at least once, across 289 samples on record.

The other 36 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 289 samples on record, detections range from December 2, 1993 to November 5, 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 Merigold, 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 142 of 151 results Dec 2, 1993 Sep 17, 2025
Lead 1030 Inorganic Chemical 118 of 151 results Dec 2, 1993 Sep 17, 2025
Barium 1010 Inorganic Chemical 20 of 20 results Jun 18, 2002 Jan 21, 2025
Fluoride 1025 Inorganic Chemical 20 of 20 results Jun 18, 2002 Jan 21, 2025
Chromium 1020 Inorganic Chemical 13 of 20 results Jan 14, 2004 Jan 21, 2025
TTHM 2950 Organic Chemical 12 of 13 results May 3, 2004 Mar 5, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 10 of 14 results Jun 26, 2007 Mar 5, 2024
Dichloroacetic Acid 2451 Organic Chemical 8 of 8 results Jul 16, 2008 Nov 5, 2025
Trichloroacetic Acid 2452 Organic Chemical 7 of 8 results Jul 16, 2008 Jul 13, 2020
Dibromoacetic Acid 2454 Organic Chemical 7 of 8 results Jul 16, 2008 Jul 13, 2020
Chloroform 2941 Organic Chemical 7 of 8 results Jun 26, 2007 Jul 13, 2020
Bromodichloromethane 2943 Organic Chemical 7 of 8 results Jun 26, 2007 Jul 13, 2020
Dibromochloromethane 2944 Organic Chemical 7 of 8 results Jun 26, 2007 Jul 13, 2020
Selenium 1045 Inorganic Chemical 7 of 20 results Jan 14, 2004 Apr 27, 2011
Bromoform 2942 Organic Chemical 6 of 8 results Jul 16, 2008 Jul 13, 2020
Arsenic 1005 Inorganic Chemical 5 of 20 results Apr 27, 2011 Jan 21, 2025
Sodium 1052 Inorganic Chemical 4 of 4 results Sep 20, 2019 Oct 22, 2024
Nickel 1036 Inorganic Chemical 4 of 20 results Jan 30, 2006 May 3, 2022
Monochloroacetic Acid 2450 Organic Chemical 2 of 8 results Aug 6, 2014 Jul 13, 2020
Cyanide 1024 Inorganic Chemical 1 of 17 results Jun 13, 2011 Jun 13, 2011
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 40 results May 3, 2004 May 3, 2004

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 71–80 of 289 samples, newest first — collected September 7, 2016 to June 25, 2018. The summary above covers all 289.

26 results from the 10 samples listed here: 9 detected, 17 not detected. Across the whole record it is 408 of 1,089. 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 Merigold, every result from 71 to 80 of 289 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 25, 2018 14:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
180627-029RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2018 14:15, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Apr 17, 2018 02:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
180418-013CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Apr 17, 2018 02:45, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jan 23, 2018 15:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
180124-026NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 23, 2018 15:00, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 23, 2018 15:00, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 23, 2018 15:00, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Jan 23, 2018 15:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
180124-023NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 23, 2018 15:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 23, 2018 15:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 23, 2018 15:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Nov 1, 2017 14:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
171102-009NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 1, 2017 14:00, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Nov 1, 2017 14:00, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 1, 2017 14:00, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Sep 6, 2017 15:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
170907-015HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 6, 2017 15:30, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Sep 6, 2017 15:30, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Sep 6, 2017 15:30, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 6, 2017 15:30, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Sep 6, 2017 15:30, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.015 mg/l , sample collected Sep 6, 2017 15:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2017 – Dec 31, 2019
Collected
Jan 17, 2017 15:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
170118-096NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 17, 2017 15:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 17, 2017 15:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 17, 2017 15:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2017 – Dec 31, 2017
Collected
Sep 7, 2016 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160908-070PB
Laboratory
MSDH Lab
0.2823 mg/l , sample collected Sep 7, 2016 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 7, 2016 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Sep 7, 2016 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160908-069PB
Laboratory
MSDH Lab
0.2175 mg/l , sample collected Sep 7, 2016 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0019 mg/l , sample collected Sep 7, 2016 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Sep 7, 2016 04:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160908-068PB
Laboratory
MSDH Lab
0.431 mg/l , sample collected Sep 7, 2016 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0006 mg/l , sample collected Sep 7, 2016 04:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017

Routine (10).