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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

MS0490023 , Hays Creek W/A-Minerva #2

19 of the 56 analytes this system has been tested for have been detected at least once, across 215 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 215 samples on record, detections range from October 8, 2003 to November 19, 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 Hays Creek W/A-Minerva #2, 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 120 of 120 results Sep 22, 2004 Aug 19, 2024
Lead 1030 Inorganic Chemical 54 of 120 results Sep 22, 2004 Aug 19, 2024
TTHM 2950 Organic Chemical 11 of 18 results Jul 19, 2004 Nov 19, 2025
Barium 1010 Inorganic Chemical 9 of 9 results Oct 8, 2003 Mar 17, 2025
Fluoride 1025 Inorganic Chemical 9 of 9 results Oct 8, 2003 Mar 17, 2025
Chloroform 2941 Organic Chemical 8 of 13 results Aug 19, 2019 Nov 19, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 15, 2011 Jul 17, 2012
Bromodichloromethane 2943 Organic Chemical 4 of 13 results Aug 19, 2019 Nov 19, 2025
Dibromochloromethane 2944 Organic Chemical 4 of 13 results Aug 19, 2019 Nov 19, 2025
Chromium 1020 Inorganic Chemical 4 of 9 results Oct 8, 2003 Mar 8, 2016
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 16, 2019 Feb 24, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 19 results Jun 16, 2010 Sep 29, 2021
Trichloroacetic Acid 2452 Organic Chemical 2 of 14 results Aug 14, 2019 Nov 19, 2025
Bromoform 2942 Organic Chemical 2 of 13 results Aug 19, 2019 Nov 19, 2025
Dichloroacetic Acid 2451 Organic Chemical 2 of 14 results Aug 27, 2007 Aug 14, 2019
Nickel 1036 Inorganic Chemical 2 of 9 results Apr 29, 2013 May 6, 2019
Monobromoacetic Acid 2453 Organic Chemical 1 of 14 results Aug 14, 2019 Aug 14, 2019
Dibromoacetic Acid 2454 Organic Chemical 1 of 14 results Aug 14, 2019 Aug 14, 2019
Selenium 1045 Inorganic Chemical 1 of 9 results Apr 4, 2005 Apr 4, 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 161–170 of 215 samples, newest first — collected June 30, 2005 to June 30, 2005. The summary above covers all 215.

20 results from the 10 samples listed here: 10 detected, 10 not detected. Across the whole record it is 245 of 836. 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 Hays Creek W/A-Minerva #2, every result from 161 to 170 of 215 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
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-019PB
Laboratory
MSDH Lab
0.0143 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-018PB
Laboratory
MSDH Lab
0.2443 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-028PB
Laboratory
MSDH Lab
0.0048 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-020PB
Laboratory
MSDH Lab
0.0055 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-026PB
Laboratory
MSDH Lab
0.1031 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-015PB
Laboratory
MSDH Lab
0.0073 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-025PB
Laboratory
MSDH Lab
0.0141 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-016PB
Laboratory
MSDH Lab
0.0623 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-022PB
Laboratory
MSDH Lab
0.0648 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Collected
Jun 30, 2005
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
050705-013PB
Laboratory
MSDH Lab
0.0052 mg/l , sample collected Jun 30, 2005, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 30, 2005, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Jun 30, 2005

Routine (10).