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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 191–200 of 536 samples, newest first — collected March 25, 2015 to February 29, 2016. The summary above covers all 536.

36 results from the 10 samples listed here: 20 detected, 16 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 191 to 200 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
Feb 29, 2016 01:24
Sampling point
TF106
Sample type
Routine
Lab sample
160301-028IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:24, sampling point TF106 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0101 mg/l , sample collected Feb 29, 2016 01:24, sampling point TF106 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:24, sampling point TF106 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0008 mg/l , sample collected Feb 29, 2016 01:24, sampling point TF106 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.224 mg/l , sample collected Feb 29, 2016 01:24, sampling point TF106 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:24, sampling point TF106 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:24, sampling point TF106 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:24, sampling point TF106 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:24, sampling point TF106 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:24, sampling point TF106 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 29, 2016 01:24, sampling point TF106 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 8, 2015 12:31
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
150709-015HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 12:31, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Jul 8, 2015 12:31, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Jul 8, 2015 12:31, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 12:31, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 8, 2015 12:31, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Jul 8, 2015 12:31, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 8, 2015 12:32
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
150709-015TH
Laboratory
MSDH Lab
7.68 ug/l , sample collected Jul 8, 2015 12:32, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2015 12:32, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
2.21 ug/l , sample collected Jul 8, 2015 12:32, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 8, 2015 12:32, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
9.89 ug/l , sample collected Jul 8, 2015 12:32, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2014 – Dec 31, 2016
Collected
Mar 25, 2015 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150326-029PB
Laboratory
MSDH Lab
0.1407 mg/l , sample collected Mar 25, 2015 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
0.0009 mg/l , sample collected Mar 25, 2015 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 25, 2015 07:11
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150326-027PB
Laboratory
MSDH Lab
0.0215 mg/l , sample collected Mar 25, 2015 07:11, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2015 07:11, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 25, 2015 05:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150326-026PB
Laboratory
MSDH Lab
0.011 mg/l , sample collected Mar 25, 2015 05:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2015 05:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 25, 2015 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150326-020PB
Laboratory
MSDH Lab
0.0241 mg/l , sample collected Mar 25, 2015 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
0.0012 mg/l , sample collected Mar 25, 2015 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 25, 2015 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150326-019PB
Laboratory
MSDH Lab
0.0257 mg/l , sample collected Mar 25, 2015 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
0.0013 mg/l , sample collected Mar 25, 2015 07:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 25, 2015 16:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150326-016PB
Laboratory
MSDH Lab
0.0411 mg/l , sample collected Mar 25, 2015 16:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 25, 2015 16:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
Collected
Mar 25, 2015 18:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
150326-015PB
Laboratory
MSDH Lab
0.1035 mg/l , sample collected Mar 25, 2015 18:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015
0.0008 mg/l , sample collected Mar 25, 2015 18:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Jun 30, 2015

Routine (10).