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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

MS0370001 , Arnold Line Water Association

26 of the 60 analytes this system has been tested for have been detected at least once, across 536 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 536 samples on record, detections range from September 29, 2003 to May 11, 2026. 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 Arnold Line Water Association, 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 286 of 286 results Sep 5, 2007 Jul 16, 2024
Lead 1030 Inorganic Chemical 167 of 286 results Sep 5, 2007 Jul 16, 2024
Barium 1010 Inorganic Chemical 35 of 35 results Sep 29, 2003 Dec 3, 2025
Fluoride 1025 Inorganic Chemical 35 of 35 results Sep 29, 2003 Dec 3, 2025
TTHM 2950 Organic Chemical 23 of 23 results Jun 21, 2004 May 11, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 21 of 23 results Sep 17, 2007 May 22, 2025
Chromium 1020 Inorganic Chemical 18 of 35 results Sep 29, 2003 May 15, 2017
Chloroform 2941 Organic Chemical 17 of 17 results Sep 17, 2007 May 11, 2026
Bromodichloromethane 2943 Organic Chemical 17 of 17 results Sep 17, 2007 May 11, 2026
Dichloroacetic Acid 2451 Organic Chemical 16 of 17 results Sep 17, 2007 May 22, 2025
Trichloroacetic Acid 2452 Organic Chemical 16 of 17 results Sep 17, 2007 May 22, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 5, 2012 Oct 3, 2012
Dibromochloromethane 2944 Organic Chemical 12 of 17 results Sep 17, 2007 May 11, 2026
Sodium 1052 Inorganic Chemical 9 of 9 results Sep 16, 2019 Dec 3, 2025
Sulfate 1055 Inorganic Chemical 8 of 8 results Sep 29, 2003 Mar 3, 2004
Nickel 1036 Inorganic Chemical 6 of 35 results Dec 3, 2007 May 15, 2017
Gross Alpha, Excl. Radon & U 4000 Radionuclide 6 of 6 results Sep 21, 2009 Mar 8, 2010
Combined Radium (-226 & -228) 4010 Radionuclide 6 of 21 results Sep 21, 2009 Mar 8, 2010
Radium-226 4020 Radionuclide 6 of 21 results Sep 21, 2009 Mar 8, 2010
Gross Beta Particle Activity 4100 Radionuclide 6 of 6 results Sep 21, 2009 Mar 8, 2010
Gross Alpha Particle Activity 4109 Radionuclide 6 of 6 results Sep 21, 2009 Mar 8, 2010
Radium-228 4030 Radionuclide 5 of 21 results Sep 21, 2009 Mar 8, 2010
Monobromoacetic Acid 2453 Organic Chemical 3 of 17 results Aug 28, 2018 Sep 8, 2020
Cyanide 1024 Inorganic Chemical 1 of 35 results Feb 9, 2021 Feb 9, 2021
Monochloroacetic Acid 2450 Organic Chemical 1 of 17 results Aug 28, 2018 Aug 28, 2018
Nitrate 1040 Inorganic Chemical 1 of 66 results Jul 10, 2006 Jul 10, 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 91–100 of 536 samples, newest first — collected March 17, 2020 to May 10, 2021. The summary above covers all 536.

37 results from the 10 samples listed here: 10 detected, 27 not detected. Across the whole record it is 742 of 2,220. 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 Arnold Line Water Association, every result from 91 to 100 of 536 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
May 10, 2021 14:07
Sampling point
TF105
Sample type
Routine
Lab sample
RU-210511-041
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 10, 2021 14:07, sampling point TF105 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
May 10, 2021 14:24
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
RU-210511-040
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 10, 2021 14:24, sampling point TF104 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Mar 8, 2021 14:43
Sampling point
TF106
Sample type
Routine
Lab sample
NI-210309-030
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:43, sampling point TF106 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:43, sampling point TF106 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:43, sampling point TF106 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Mar 8, 2021 14:04
Sampling point
TF105
Sample type
Routine
Lab sample
NI-210309-029
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:04, sampling point TF105 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:04, sampling point TF105 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:04, sampling point TF105 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Mar 8, 2021 14:20
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
NI-210309-028
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:20, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:20, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 14:20, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Feb 9, 2021 12:44
Sampling point
TF105
Sample type
Routine
Lab sample
CN-210210-016
Laboratory
MSDH Lab
0.0245 mg/l , sample collected Feb 9, 2021 12:44, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2019 – Dec 31, 2021
Collected
Sep 9, 2020 13:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200910-005TH
Laboratory
MSDH Lab
3.86 ug/l , sample collected Sep 9, 2020 13:00, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 9, 2020 13:00, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
1.29 ug/l , sample collected Sep 9, 2020 13:00, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 9, 2020 13:00, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
5.15 ug/l , sample collected Sep 9, 2020 13:00, sampling point MRT000 TTHM 2950 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 8, 2020 13:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200910-005HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 8, 2020 13:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Sep 8, 2020 13:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 8, 2020 13:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Sep 8, 2020 13:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 8, 2020 13:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Sep 8, 2020 13:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2020 – Dec 31, 2020
Collected
Apr 21, 2020 12:05
Sampling point
TF105
Sample type
Routine
Lab sample
200422-031IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.002 mg/l , sample collected Apr 21, 2020 12:05, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.208 mg/l , sample collected Apr 21, 2020 12:05, sampling point TF105 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 21, 2020 12:05, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Mar 17, 2020 11:20
Sampling point
TF106
Sample type
Routine
Lab sample
200318-028NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 11:20, sampling point TF106 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 11:20, sampling point TF106 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 11:20, sampling point TF106 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020

Routine (10).