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
MS0270022 , Humphreys Co W/A #6-Gooden Lak
20 of the 57 analytes this system has been tested for have been detected at least once, across 261 samples on record.
The other 37 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 261 samples on record, detections range from August 10, 1993 to October 28, 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 | 142 of 175 results | Aug 10, 1993 | Aug 28, 2024 |
| Lead 1030 | Inorganic Chemical | 32 of 175 results | Aug 10, 1993 | Aug 28, 2024 |
| Total Haloacetic Acids (Haa5) 2456 | Organic Chemical | 11 of 13 results | Aug 16, 2007 | Oct 28, 2025 |
| Barium 1010 | Inorganic Chemical | 10 of 10 results | Sep 24, 2003 | Feb 13, 2025 |
| Fluoride 1025 | Inorganic Chemical | 8 of 10 results | Sep 24, 2003 | Oct 24, 2018 |
| Dichloroacetic Acid 2451 | Organic Chemical | 7 of 7 results | Sep 25, 2008 | Oct 28, 2025 |
| Trichloroacetic Acid 2452 | Organic Chemical | 7 of 7 results | Sep 25, 2008 | Oct 28, 2025 |
| Chloroform 2941 | Organic Chemical | 7 of 7 results | Aug 16, 2007 | Oct 28, 2025 |
| TTHM 2950 | Organic Chemical | 7 of 12 results | Aug 16, 2007 | Oct 28, 2025 |
| Gross Alpha, Incl. Radon & U 4002 | Radionuclide | 5 of 5 results | Dec 14, 2011 | Aug 2, 2012 |
| Bromodichloromethane 2943 | Organic Chemical | 4 of 7 results | Sep 25, 2008 | Oct 28, 2025 |
| Chromium 1020 | Inorganic Chemical | 4 of 10 results | Feb 11, 2004 | Mar 2, 2016 |
| Sodium 1052 | Inorganic Chemical | 3 of 3 results | Sep 23, 2019 | Feb 7, 2024 |
| Selenium 1045 | Inorganic Chemical | 3 of 10 results | Mar 16, 2005 | Apr 16, 2008 |
| Sulfate 1055 | Inorganic Chemical | 2 of 2 results | Sep 24, 2003 | Feb 11, 2004 |
| Monochloroacetic Acid 2450 | Organic Chemical | 1 of 7 results | Jul 29, 2019 | Jul 29, 2019 |
| Monobromoacetic Acid 2453 | Organic Chemical | 1 of 7 results | Aug 16, 2012 | Aug 16, 2012 |
| Dibromoacetic Acid 2454 | Organic Chemical | 1 of 7 results | Aug 16, 2012 | Aug 16, 2012 |
| Nickel 1036 | Inorganic Chemical | 1 of 10 results | Apr 16, 2008 | Apr 16, 2008 |
| Cadmium 1015 | Inorganic Chemical | 1 of 10 results | Mar 16, 2005 | Mar 16, 2005 |
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 151–160 of 261 samples, newest first — collected February 6, 2006 to July 27, 2006. The summary above covers all 261.
31 results from the 10 samples listed here: 12 detected, 19 not detected. Across the whole record it is 257 of 822. 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 |
|---|---|---|
|
||
| 0.0182 mg/l , sample collected Jul 27, 2006, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2006, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| 0.0384 mg/l , sample collected Jul 27, 2006, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2006, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| 0.0767 mg/l , sample collected Jul 27, 2006, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2006, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| 0.0566 mg/l , sample collected Jul 27, 2006, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2006, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| 0.0034 mg/l , sample collected Jul 27, 2006, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2006, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| 0.0044 mg/l , sample collected Jul 27, 2006, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2006, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| 0.0333 mg/l , sample collected Jul 27, 2006, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2006, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| 0.0061 mg/l , sample collected Jul 27, 2006, sampling point DS000 | Copper, Free 1022 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2006, sampling point DS000 | Lead 1030 EPA method 200.8 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 26, 2006, sampling point TF101 | Nitrate-Nitrite 1038 EPA method 353.2 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 26, 2006, sampling point TF101 | Nitrate 1040 EPA method 353.2 | Jan 1, 2006 – Dec 31, 2006 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 26, 2006, sampling point TF101 | Nitrite 1041 EPA method 353.2 | Jan 1, 2006 – Dec 31, 2006 |
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| 0.001894 mg/l , sample collected Feb 6, 2006, sampling point TF101 | Barium 1010 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF101 | Cadmium 1015 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| 0.000806 mg/l , sample collected Feb 6, 2006, sampling point TF101 | Chromium 1020 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| 0.14857 mg/l , sample collected Feb 6, 2006, sampling point TF101 | Fluoride 1025 EPA method 380-75WE | Jan 1, 2005 – Dec 31, 2007 |
| Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF101 | Mercury 1035 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF101 | Nickel 1036 EPA method 200.8 | Not recorded |
| 0.000966 mg/l , sample collected Feb 6, 2006, sampling point TF101 | Selenium 1045 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF101 | Antimony, Total 1074 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF101 | Beryllium, Total 1075 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF101 | Thallium, Total 1085 EPA method 200.8 | Jan 1, 2005 – Dec 31, 2007 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 6, 2006, sampling point TF101 | Uranium-238 4009 | Not recorded |
-
- Collected
- Jul 27, 2006
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 060728-132PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0182 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 27, 2006
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 060728-101PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0384 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 27, 2006
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 060728-134PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0767 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 27, 2006
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 060728-133PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0566 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 27, 2006
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 060728-135PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0034 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 27, 2006
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 060728-098PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0044 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 27, 2006
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 060728-100PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0333 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jul 27, 2006
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 060728-097PB
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Copper, Free 1022 EPA method 200.8
- Result
- 0.0061 mg/l
-
Lead 1030 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Jun 26, 2006
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 060627-003NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2006 – Dec 31, 2006
-
Nitrate-Nitrite 1038 EPA method 353.2
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method 353.2
- Result
- Not detected below 0.08 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method 353.2
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Feb 6, 2006
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 060207-105IN
- Laboratory
- MSDH Lab
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Barium 1010 EPA method 200.8
- Result
- 0.001894 mg/l
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Cadmium 1015 EPA method 200.8
- Result
- Not detected below 0.0001 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Chromium 1020 EPA method 200.8
- Result
- 0.000806 mg/l
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Fluoride 1025 EPA method 380-75WE
- Result
- 0.14857 mg/l
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0002 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
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
- 0.000966 mg/l
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Antimony, Total 1074 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Beryllium, Total 1075 EPA method 200.8
- Result
- Not detected below 0.0001 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Thallium, Total 1085 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Uranium-238 4009
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Not recorded
Routine (10).