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 41–50 of 261 samples, newest first — collected August 6, 2018 to March 8, 2021. The summary above covers all 261.
44 results from the 10 samples listed here: 15 detected, 29 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 |
|---|---|---|
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 12:01, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 12:01, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 8, 2021 12:01, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
|
||
| Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 26, 2020 13:48, sampling point MRT000 | Monochloroacetic Acid 2450 EPA method 552.2 | Not recorded |
| 0.003 mg/l , sample collected Aug 26, 2020 13:48, sampling point MRT000 | Dichloroacetic Acid 2451 EPA method 552.2 | Not recorded |
| 0.002 mg/l , sample collected Aug 26, 2020 13:48, sampling point MRT000 | Trichloroacetic Acid 2452 EPA method 552.2 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 26, 2020 13:48, sampling point MRT000 | Monobromoacetic Acid 2453 EPA method 552.2 | Not recorded |
| Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 26, 2020 13:48, sampling point MRT000 | Dibromoacetic Acid 2454 EPA method 552.2 | Not recorded |
| 0.005 mg/l , sample collected Aug 26, 2020 13:48, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2020 – Dec 31, 2020 |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 9, 2020 08:43, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 9, 2020 08:43, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2020 – Dec 31, 2020 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 9, 2020 08:43, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2020 – Dec 31, 2020 |
|
||
| 69000 ug/l , sample collected Sep 23, 2019 08:45, sampling point TF101 | Sodium 1052 EPA method 200.7 | Not recorded |
|
||
| 0.007 mg/l , sample collected Jul 29, 2019 02:40, sampling point MRT000 | Monochloroacetic Acid 2450 EPA method 552.2 | Not recorded |
| 0.004 mg/l , sample collected Jul 29, 2019 02:40, sampling point MRT000 | Dichloroacetic Acid 2451 EPA method 552.2 | Not recorded |
| 0.003 mg/l , sample collected Jul 29, 2019 02:40, 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 29, 2019 02:40, 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 29, 2019 02:40, sampling point MRT000 | Dibromoacetic Acid 2454 EPA method 552.2 | Not recorded |
| 0.014 mg/l , sample collected Jul 29, 2019 02:40, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2019 – Dec 31, 2019 |
|
||
| 5.37 ug/l , sample collected Jul 29, 2019 02:20, sampling point MRT000 | Chloroform 2941 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2019 02:20, sampling point MRT000 | Bromoform 2942 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2019 02:20, sampling point MRT000 | Bromodichloromethane 2943 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2019 02:20, sampling point MRT000 | Dibromochloromethane 2944 EPA method 524.2 | Not recorded |
| 5.37 ug/l , sample collected Jul 29, 2019 02:20, sampling point MRT000 | TTHM 2950 | Jan 1, 2019 – Dec 31, 2019 |
|
||
| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 13:25, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2019 – Dec 31, 2019 |
| Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 13:25, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2019 – Dec 31, 2019 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 13:25, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2019 – Dec 31, 2019 |
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Arsenic 1005 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
| 0.0014 mg/l , sample collected Oct 24, 2018 02:20, sampling point TF101 | Barium 1010 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Cadmium 1015 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Chromium 1020 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
| 0.156 mg/l , sample collected Oct 24, 2018 02:20, sampling point TF101 | Fluoride 1025 EPA method 300.0 | Jan 1, 2017 – Dec 31, 2019 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Mercury 1035 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Nickel 1036 EPA method 200.8 | Not recorded |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Selenium 1045 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Antimony, Total 1074 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Beryllium, Total 1075 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 24, 2018 02:20, sampling point TF101 | Thallium, Total 1085 EPA method 200.8 | Jan 1, 2017 – Dec 31, 2019 |
|
||
| Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 21, 2018 12:30, sampling point TF101 | Combined Uranium 4006 EPA method 200.8 | Jan 1, 2013 – Dec 31, 2021 |
|
||
| 7.86 ug/l , sample collected Aug 6, 2018 10:45, sampling point MRT000 | Chloroform 2941 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 6, 2018 10:45, sampling point MRT000 | Bromoform 2942 EPA method 524.2 | Not recorded |
| 1.63 ug/l , sample collected Aug 6, 2018 10:45, sampling point MRT000 | Bromodichloromethane 2943 EPA method 524.2 | Not recorded |
| Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 6, 2018 10:45, sampling point MRT000 | Dibromochloromethane 2944 EPA method 524.2 | Not recorded |
| 9.49 ug/l , sample collected Aug 6, 2018 10:45, sampling point MRT000 | TTHM 2950 | Jan 1, 2017 – Dec 31, 2019 |
-
- Collected
- Mar 8, 2021 12:01
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-210309-048
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method QC10107041C
- Result
- Not detected below 0.08 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Aug 26, 2020 13:48
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 200827-004HA
- 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
- 0.003 mg/l
- Monitoring period
- Not recorded
-
Trichloroacetic Acid 2452 EPA method 552.2
- Result
- 0.002 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
- 0.005 mg/l
- Monitoring period
- Jan 1, 2020 – Dec 31, 2020
-
- Collected
- Mar 9, 2020 08:43
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 200310-011NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2020
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method QC10107041C
- Result
- Not detected below 0.08 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Sep 23, 2019 08:45
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 680-175125-1
- Laboratory
- Test America-Savannah
- Monitoring period
- Not recorded
-
Sodium 1052 EPA method 200.7
- Result
- 69000 ug/l
-
- Collected
- Jul 29, 2019 02:40
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 190730-002HA
- Laboratory
- MSDH Lab
-
Monochloroacetic Acid 2450 EPA method 552.2
- Result
- 0.007 mg/l
- Monitoring period
- Not recorded
-
Dichloroacetic Acid 2451 EPA method 552.2
- Result
- 0.004 mg/l
- Monitoring period
- Not recorded
-
Trichloroacetic Acid 2452 EPA method 552.2
- Result
- 0.003 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
- 0.014 mg/l
- Monitoring period
- Jan 1, 2019 – Dec 31, 2019
-
- Collected
- Jul 29, 2019 02:20
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 190730-002TH
- Laboratory
- MSDH Lab
-
Chloroform 2941 EPA method 524.2
- Result
- 5.37 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
- Not detected below 1 ug/l Minimum Reporting Level
- 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
- Result
- 5.37 ug/l
- Monitoring period
- Jan 1, 2019 – Dec 31, 2019
-
- Collected
- Mar 18, 2019 13:25
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 190319-044NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2019
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
Nitrate 1040 EPA method QC10107041C
- Result
- Not detected below 0.08 mg/l Minimum Reporting Level
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Oct 24, 2018 02:20
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 181025-027IN
- Laboratory
- MSDH Lab
-
Arsenic 1005 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Barium 1010 EPA method 200.8
- Result
- 0.0014 mg/l
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Cadmium 1015 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Chromium 1020 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Fluoride 1025 EPA method 300.0
- Result
- 0.156 mg/l
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Mercury 1035 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
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 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Antimony, Total 1074 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Beryllium, Total 1075 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Thallium, Total 1085 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
- Collected
- Aug 21, 2018 12:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 180823-032RU
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2013 – Dec 31, 2021
-
Combined Uranium 4006 EPA method 200.8
- Result
- Not detected below 0.0005 mg/l Minimum Reporting Level
-
- Collected
- Aug 6, 2018 10:45
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 180807-019TH
- Laboratory
- MSDH Lab
-
Chloroform 2941 EPA method 524.2
- Result
- 7.86 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
- 1.63 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
- Result
- 9.49 ug/l
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
Routine (10).