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