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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 291–300 of 536 samples, newest first — collected February 18, 2014 to March 3, 2014. The summary above covers all 536.

19 results from the 10 samples listed here: 15 detected, 4 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 291 to 300 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
Mar 3, 2014 01:23
Sampling point
TF105
Sample type
Routine
Lab sample
140304-008CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 3, 2014 01:23, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2013 – Dec 31, 2015
Collected
Feb 19, 2014 08:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-079PB
Laboratory
MSDH Lab
0.0782 mg/l , sample collected Feb 19, 2014 08:05, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 19, 2014 08:05, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Collected
Feb 19, 2014 11:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-078PB
Laboratory
MSDH Lab
0.1365 mg/l , sample collected Feb 19, 2014 11:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
0.0045 mg/l , sample collected Feb 19, 2014 11:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Collected
Feb 19, 2014 12:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-077PB
Laboratory
MSDH Lab
0.0424 mg/l , sample collected Feb 19, 2014 12:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
0.0018 mg/l , sample collected Feb 19, 2014 12:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Collected
Feb 19, 2014 08:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-076PB
Laboratory
MSDH Lab
0.0947 mg/l , sample collected Feb 19, 2014 08:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 19, 2014 08:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Collected
Feb 18, 2014 13:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-131PB
Laboratory
MSDH Lab
0.0263 mg/l , sample collected Feb 18, 2014 13:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
0.0005 mg/l , sample collected Feb 18, 2014 13:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Collected
Feb 18, 2014 10:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-130PB
Laboratory
MSDH Lab
0.0889 mg/l , sample collected Feb 18, 2014 10:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 18, 2014 10:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Collected
Feb 18, 2014 05:03
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-129PB
Laboratory
MSDH Lab
0.0969 mg/l , sample collected Feb 18, 2014 05:03, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
0.0007 mg/l , sample collected Feb 18, 2014 05:03, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Collected
Feb 18, 2014 11:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-128PB
Laboratory
MSDH Lab
0.0863 mg/l , sample collected Feb 18, 2014 11:50, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
0.0005 mg/l , sample collected Feb 18, 2014 11:50, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
Collected
Feb 18, 2014
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140220-127PB
Laboratory
MSDH Lab
0.0959 mg/l , sample collected Feb 18, 2014, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014
0.0039 mg/l , sample collected Feb 18, 2014, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Jun 30, 2014

Routine (10).