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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

MS0270019 , Humphreys Co. W/A #3-Jaketown

19 of the 57 analytes this system has been tested for have been detected at least once, across 217 samples on record.

The other 38 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 217 samples on record, detections range from August 2, 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.

Every analyte ever detected for Humphreys Co. W/A #3-Jaketown, 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 95 of 130 results Aug 2, 1993 Jul 13, 2023
Lead 1030 Inorganic Chemical 82 of 130 results Aug 2, 1993 Jul 13, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 11 of 13 results Aug 14, 2007 Oct 28, 2025
Barium 1010 Inorganic Chemical 10 of 10 results Sep 24, 2003 Feb 13, 2025
TTHM 2950 Organic Chemical 8 of 12 results Jun 9, 2004 Oct 28, 2025
Dichloroacetic Acid 2451 Organic Chemical 6 of 7 results Sep 25, 2008 Oct 28, 2025
Trichloroacetic Acid 2452 Organic Chemical 6 of 7 results Sep 25, 2008 Oct 28, 2025
Chloroform 2941 Organic Chemical 5 of 7 results Sep 25, 2008 Oct 28, 2025
Bromodichloromethane 2943 Organic Chemical 5 of 7 results Sep 25, 2008 Oct 28, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 14, 2011 Jul 11, 2012
Chromium 1020 Inorganic Chemical 4 of 10 results Feb 9, 2004 Mar 2, 2016
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 23, 2019 Feb 7, 2024
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 24, 2003 Feb 9, 2004
Nitrite 1041 Inorganic Chemical 1 of 22 results Mar 9, 2020 Mar 9, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 7 results Jul 29, 2019 Jul 29, 2019
Fluoride 1025 Inorganic Chemical 1 of 10 results Mar 2, 2016 Mar 2, 2016
Nickel 1036 Inorganic Chemical 1 of 10 results Apr 14, 2008 Apr 14, 2008
Selenium 1045 Inorganic Chemical 1 of 10 results Feb 6, 2006 Feb 6, 2006
Mercury 1035 Inorganic Chemical 1 of 10 results Feb 9, 2004 Feb 9, 2004

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 1–10 of 217 samples, newest first — collected July 13, 2023 to October 28, 2025. The summary above covers all 217.

36 results from the 10 samples listed here: 13 detected, 23 not detected. Across the whole record it is 248 of 753. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Humphreys Co. W/A #3-Jaketown, every result from 1 to 10 of 217 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
Oct 28, 2025 08:50
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
810-169705-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 08:50, sampling point DS000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
2.9 ug/l , sample collected Oct 28, 2025 08:50, sampling point DS000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
3.9 ug/l , sample collected Oct 28, 2025 08:50, sampling point DS000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 08:50, sampling point DS000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 08:50, sampling point DS000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
6.8 ug/l , sample collected Oct 28, 2025 08:50, sampling point DS000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
4.3 ug/l , sample collected Oct 28, 2025 08:50, sampling point DS000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 08:50, sampling point DS000 Bromoform 2942 EPA method 524.2 Not recorded
1.7 ug/l , sample collected Oct 28, 2025 08:50, sampling point DS000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 28, 2025 08:50, sampling point DS000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
6 ug/l , sample collected Oct 28, 2025 08:50, sampling point DS000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Aug 19, 2025 11:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-250820-036
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 19, 2025 11:20, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Feb 13, 2025 10:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250214-003
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.006 mg/l , sample collected Feb 13, 2025 10:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 10:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 13, 2025 09:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250214-001
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 09:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 09:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 13, 2025 09:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Mar 27, 2024 09:55
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-240328-027
Laboratory
MSDH Lab
1.27 ug/l , sample collected Mar 27, 2024 09:55, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Mar 27, 2024 09:50
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-240328-027
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 27, 2024 09:50, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 7, 2024 09:25
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240208-030
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 09:25, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 09:25, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 09:25, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 7, 2024 09:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-240208-004
Laboratory
MSDH Lab
78.2 mg/l , sample collected Feb 7, 2024 09:30, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Jul 13, 2023 06:30
Sampling point
LC0020 Location withheld
Sample type
Routine
Lab sample
PB-230714-010
Laboratory
MSDH Lab
0.0848 mg/l , sample collected Jul 13, 2023 06:30, sampling point LC0020 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
2 ug/l , sample collected Jul 13, 2023 06:30, sampling point LC0020 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 13, 2023 08:00
Sampling point
LC0017 Location withheld
Sample type
Routine
Lab sample
PB-230714-009
Laboratory
MSDH Lab
0.143 mg/l , sample collected Jul 13, 2023 08:00, sampling point LC0017 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.9 ug/l , sample collected Jul 13, 2023 08:00, sampling point LC0017 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).