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
MS0110006 , Romola Water Association
34 of the 64 analytes this system has been tested for have been detected at least once, across 307 samples on record.
The other 30 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 307 samples on record, detections range from October 12, 1993 to December 29, 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.
| Analyte | Kind | Detected in | First detected | Last detected |
|---|---|---|---|---|
| Copper, Free 1022 | Inorganic Chemical | 92 of 100 results | Oct 12, 1993 | Dec 29, 2025 |
| Lead 1030 | Inorganic Chemical | 70 of 100 results | Oct 13, 1993 | Nov 4, 2025 |
| TTHM 2950 | Organic Chemical | 41 of 44 results | Sep 13, 2004 | Mar 28, 2024 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 40 of 42 results | Sep 13, 2004 | Mar 28, 2024 |
| Bromodichloromethane 2943 | Organic Chemical | 28 of 32 results | May 16, 2006 | Jul 27, 2020 |
| Dibromochloromethane 2944 | Organic Chemical | 28 of 32 results | May 16, 2006 | Jul 27, 2020 |
| Chloroform 2941 | Organic Chemical | 27 of 32 results | May 16, 2006 | Jul 27, 2020 |
| Fluoride 1025 | Inorganic Chemical | 21 of 21 results | Mar 26, 2002 | Oct 20, 2025 |
| Dichloroacetic Acid 2451 | Organic Chemical | 21 of 24 results | Jan 28, 2008 | Dec 18, 2019 |
| Trichloroacetic Acid 2452 | Organic Chemical | 21 of 24 results | Jan 28, 2008 | Dec 18, 2019 |
| Barium 1010 | Inorganic Chemical | 19 of 19 results | Mar 26, 2002 | Oct 20, 2025 |
| Gross Alpha, Incl. Radon & U 4002 | Radionuclide | 12 of 12 results | Dec 5, 2011 | Jul 11, 2012 |
| Chromium 1020 | Inorganic Chemical | 11 of 19 results | Jan 28, 2004 | Oct 20, 2025 |
| Monochloroacetic Acid 2450 | Organic Chemical | 7 of 24 results | Oct 29, 2008 | Dec 18, 2019 |
| Dibromoacetic Acid 2454 | Organic Chemical | 7 of 24 results | Jan 28, 2008 | Dec 16, 2009 |
| Arsenic 1005 | Inorganic Chemical | 6 of 19 results | Jan 23, 2006 | Feb 29, 2024 |
| Sodium 1052 | Inorganic Chemical | 6 of 6 results | Oct 9, 2019 | Oct 11, 2021 |
| Nickel 1036 | Inorganic Chemical | 6 of 19 results | Mar 26, 2002 | Oct 1, 2018 |
| Sulfate 1055 | Inorganic Chemical | 4 of 4 results | Mar 26, 2002 | Oct 11, 2021 |
| Selenium 1045 | Inorganic Chemical | 4 of 19 results | Feb 16, 2005 | Mar 26, 2008 |
| Monobromoacetic Acid 2453 | Organic Chemical | 3 of 24 results | Apr 29, 2009 | Sep 28, 2016 |
| Calcium 1016 | Inorganic Chemical | 2 of 2 results | Oct 11, 2021 | Oct 11, 2021 |
| Chloride 1017 | Inorganic Chemical | 2 of 2 results | Oct 11, 2021 | Oct 11, 2021 |
| Conductivity @ 25 C Umhos/CM 1064 | Water Quality | 2 of 2 results | Oct 11, 2021 | Oct 11, 2021 |
| Color 1905 | Water Quality | 2 of 2 results | Oct 11, 2021 | Oct 11, 2021 |
| Alkalinity, Total 1927 | Water Quality | 2 of 2 results | Oct 11, 2021 | Oct 11, 2021 |
| Nitrate-Nitrite 1038 | Inorganic Chemical | 2 of 45 results | Jan 24, 2018 | Jan 24, 2018 |
| Nitrate 1040 | Inorganic Chemical | 2 of 45 results | Jan 24, 2018 | Jan 24, 2018 |
| Gross Alpha, Excl. Radon & U 4000 | Radionuclide | 2 of 3 results | Mar 20, 2012 | Jun 13, 2012 |
| Combined Uranium 4006 | Radionuclide | 2 of 12 results | Jun 13, 2012 | Jun 13, 2012 |
| Cadmium 1015 | Inorganic Chemical | 2 of 19 results | Jan 23, 2006 | Jan 23, 2006 |
| Combined Radium (-226 & -228) 4010 | Radionuclide | 1 of 16 results | Mar 20, 2012 | Mar 20, 2012 |
| Radium-228 4030 | Radionuclide | 1 of 15 results | Mar 20, 2012 | Mar 20, 2012 |
| Gross Alpha Particle Activity 4109 | Radionuclide | 1 of 3 results | Mar 20, 2012 | Mar 20, 2012 |
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 271–280 of 307 samples, newest first — collected June 10, 1996 to March 26, 2002. The summary above covers all 307.
29 results from the 10 samples listed here: 16 detected, 13 not detected. Across the whole record it is 497 of 1,206. 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 0.01 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Cyanide 1024 EPA method 335.4 | Jan 1, 2002 – Dec 31, 2004 |
|
||
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
| 0.005 mg/l , sample collected Mar 26, 2002, sampling point TF101 | Barium 1010 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
| Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Cadmium 1015 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Chromium 1020 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
| 0.69 mg/l , sample collected Mar 26, 2002, sampling point TF101 | Fluoride 1025 EPA method 300.0 | Jan 1, 2002 – Dec 31, 2004 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Mercury 1035 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
| 0.001 mg/l , sample collected Mar 26, 2002, sampling point TF101 | Nickel 1036 EPA method 200.8 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Selenium 1045 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
| 5.85 mg/l , sample collected Mar 26, 2002, sampling point TF101 | Sulfate 1055 EPA method 300.0 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Antimony, Total 1074 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
| Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Beryllium, Total 1075 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 26, 2002, sampling point TF101 | Thallium, Total 1085 EPA method 200.8 | Jan 1, 2002 – Dec 31, 2004 |
|
||
| 0.02 mg/l , sample collected Sep 5, 2000, sampling point DS000 | Copper, Free 1022 | Not recorded |
| Not detected below 0.001 mg/l Method Detection Limit , sample collected Sep 5, 2000, sampling point DS000 | Lead 1030 | Not recorded |
|
||
| 0.158 mg/l , sample collected Sep 5, 2000, sampling point DS000 | Copper, Free 1022 | Not recorded |
| 0.002 mg/l , sample collected Sep 5, 2000, sampling point DS000 | Lead 1030 | Not recorded |
|
||
| 0.026 mg/l , sample collected Sep 5, 2000, sampling point DS000 | Copper, Free 1022 | Not recorded |
| Not detected below 0.001 mg/l Method Detection Limit , sample collected Sep 5, 2000, sampling point DS000 | Lead 1030 | Not recorded |
|
||
| 0.046 mg/l , sample collected Sep 5, 2000, sampling point DS000 | Copper, Free 1022 | Not recorded |
| 0.001 mg/l , sample collected Sep 5, 2000, sampling point DS000 | Lead 1030 | Not recorded |
|
||
| 0.13 mg/l , sample collected Dec 14, 1999, sampling point DS000 | Copper, Free 1022 | Not recorded |
| Not detected below 0.001 mg/l Method Detection Limit , sample collected Dec 14, 1999, sampling point DS000 | Lead 1030 | Not recorded |
|
||
| 0.673 mg/l , sample collected Jun 10, 1996, sampling point DS000 | Copper, Free 1022 | Not recorded |
| 0.003 mg/l , sample collected Jun 10, 1996, sampling point DS000 | Lead 1030 | Not recorded |
|
||
| 0.239 mg/l , sample collected Jun 10, 1996, sampling point DS000 | Copper, Free 1022 | Not recorded |
| Not detected below 0.001 mg/l Method Detection Limit , sample collected Jun 10, 1996, sampling point DS000 | Lead 1030 | Not recorded |
|
||
| 0.563 mg/l , sample collected Jun 10, 1996, sampling point DS000 | Copper, Free 1022 | Not recorded |
| 0.001 mg/l , sample collected Jun 10, 1996, sampling point DS000 | Lead 1030 | Not recorded |
-
- Collected
- Mar 26, 2002
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 020327-052CN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Cyanide 1024 EPA method 335.4
- Result
- Not detected below 0.01 mg/l Minimum Reporting Level
-
- Collected
- Mar 26, 2002
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 020327-002IN
- Laboratory
- MSDH Lab
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Barium 1010 EPA method 200.8
- Result
- 0.005 mg/l
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Cadmium 1015 EPA method 200.8
- Result
- Not detected below 0.0001 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Chromium 1020 EPA method 200.8
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Fluoride 1025 EPA method 300.0
- Result
- 0.69 mg/l
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Nickel 1036 EPA method 200.8
- Result
- 0.001 mg/l
- Monitoring period
- Not recorded
-
Selenium 1045 EPA method 200.8
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Sulfate 1055 EPA method 300.0
- Result
- 5.85 mg/l
- Monitoring period
- Not recorded
-
Antimony, Total 1074 EPA method 200.8
- Result
- Not detected below 0.001 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Beryllium, Total 1075 EPA method 200.8
- Result
- Not detected below 0.0003 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
Thallium, Total 1085 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2002 – Dec 31, 2004
-
- Collected
- Sep 5, 2000
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 000906-045L
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Copper, Free 1022
- Result
- 0.02 mg/l
-
Lead 1030
- Result
- Not detected below 0.001 mg/l Method Detection Limit
-
- Collected
- Sep 5, 2000
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 000906-044L
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Copper, Free 1022
- Result
- 0.158 mg/l
-
Lead 1030
- Result
- 0.002 mg/l
-
- Collected
- Sep 5, 2000
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 000906-043L
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Copper, Free 1022
- Result
- 0.026 mg/l
-
Lead 1030
- Result
- Not detected below 0.001 mg/l Method Detection Limit
-
- Collected
- Sep 5, 2000
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 000906-042L
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Copper, Free 1022
- Result
- 0.046 mg/l
-
Lead 1030
- Result
- 0.001 mg/l
-
- Collected
- Dec 14, 1999
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 991215-028L
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Copper, Free 1022
- Result
- 0.13 mg/l
-
Lead 1030
- Result
- Not detected below 0.001 mg/l Method Detection Limit
-
- Collected
- Jun 10, 1996
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 960611-005L
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Copper, Free 1022
- Result
- 0.673 mg/l
-
Lead 1030
- Result
- 0.003 mg/l
-
- Collected
- Jun 10, 1996
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 960611-004L
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Copper, Free 1022
- Result
- 0.239 mg/l
-
Lead 1030
- Result
- Not detected below 0.001 mg/l Method Detection Limit
-
- Collected
- Jun 10, 1996
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 960611-003L
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Copper, Free 1022
- Result
- 0.563 mg/l
-
Lead 1030
- Result
- 0.001 mg/l
Routine (10).