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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 51–60 of 217 samples, newest first — collected June 27, 2017 to August 6, 2018. The summary above covers all 217.

27 results from the 10 samples listed here: 12 detected, 15 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.

Chemical and radiological sample results for Humphreys Co. W/A #3-Jaketown, every result from 51 to 60 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
Aug 6, 2018 10:20
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
180807-016TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 6, 2018 10:20, 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 10:20, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 6, 2018 10:20, 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 10:20, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Aug 6, 2018 10:20, sampling point MRT000 TTHM 2950 Jan 1, 2017 – Dec 31, 2019
Collected
Aug 6, 2018 10:20
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
180807-016HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 6, 2018 10:20, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 6, 2018 10:20, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 6, 2018 10:20, 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 6, 2018 10:20, 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 6, 2018 10:20, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Aug 6, 2018 10:20, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 13, 2018 01:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
180614-007CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 13, 2018 01:15, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Feb 12, 2018 02:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
180213-095NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 12, 2018 02:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 12, 2018 02:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 12, 2018 02:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
Jun 27, 2017 06:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-105PB
Laboratory
MSDH Lab
0.3836 mg/l , sample collected Jun 27, 2017 06:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0096 mg/l , sample collected Jun 27, 2017 06:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 27, 2017 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-103PB
Laboratory
MSDH Lab
0.0131 mg/l , sample collected Jun 27, 2017 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.001 mg/l , sample collected Jun 27, 2017 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 27, 2017 07:52
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-102PB
Laboratory
MSDH Lab
0.0198 mg/l , sample collected Jun 27, 2017 07:52, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0017 mg/l , sample collected Jun 27, 2017 07:52, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 27, 2017 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-098PB
Laboratory
MSDH Lab
0.1039 mg/l , sample collected Jun 27, 2017 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0024 mg/l , sample collected Jun 27, 2017 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 27, 2017 05:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-095PB
Laboratory
MSDH Lab
0.0134 mg/l , sample collected Jun 27, 2017 05:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0029 mg/l , sample collected Jun 27, 2017 05:45, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
Collected
Jun 27, 2017 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
170629-094PB
Laboratory
MSDH Lab
0.0227 mg/l , sample collected Jun 27, 2017 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017
0.0009 mg/l , sample collected Jun 27, 2017 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2015 – Dec 31, 2017

Routine (10).