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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 211–217 of 217 samples, newest first — collected August 2, 1993 to August 2, 1993. The summary above covers all 217.

14 results from the 7 samples listed here: 10 detected, 4 not detected. 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 211 to 217 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 2, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
930803-056L
Laboratory
MSDH Lab
0.201 mg/l , sample collected Aug 2, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.05 mg/l , sample collected Aug 2, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 2, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
930803-054L
Laboratory
MSDH Lab
0.309 mg/l , sample collected Aug 2, 1993, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 2, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 2, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
930803-053L
Laboratory
MSDH Lab
0.053 mg/l , sample collected Aug 2, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.019 mg/l , sample collected Aug 2, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 2, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
930803-052L
Laboratory
MSDH Lab
0.438 mg/l , sample collected Aug 2, 1993, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 2, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 2, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
930803-051L
Laboratory
MSDH Lab
Not detected below 0.02 mg/l Method Detection Limit , sample collected Aug 2, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Aug 2, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 2, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
930803-050L
Laboratory
MSDH Lab
0.841 mg/l , sample collected Aug 2, 1993, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Aug 2, 1993, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 2, 1993
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
930803-049L
Laboratory
MSDH Lab
0.084 mg/l , sample collected Aug 2, 1993, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 2, 1993, sampling point DS000 Lead 1030 Not recorded

Routine (7).