Skip to main content
Alpha

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

MS0490020 , Hays Creek W/A - Alva

22 of the 57 analytes this system has been tested for have been detected at least once, across 225 samples on record.

The other 35 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 225 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 - Alva, 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 61 of 61 results Aug 6, 2008 Sep 12, 2023
Lead 1030 Inorganic Chemical 26 of 61 results Aug 7, 2008 Sep 12, 2023
TTHM 2950 Organic Chemical 20 of 30 results Jul 19, 2004 Nov 19, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 19 of 30 results Jul 19, 2004 Mar 24, 2025
Barium 1010 Inorganic Chemical 15 of 15 results Oct 8, 2003 Mar 17, 2025
Chloroform 2941 Organic Chemical 14 of 23 results Apr 22, 2009 Nov 19, 2025
Fluoride 1025 Inorganic Chemical 14 of 15 results Oct 8, 2003 Mar 17, 2025
Dichloroacetic Acid 2451 Organic Chemical 10 of 23 results Apr 22, 2009 Feb 21, 2024
Chromium 1020 Inorganic Chemical 9 of 15 results Oct 8, 2003 Apr 30, 2020
Bromoform 2942 Organic Chemical 7 of 23 results Oct 14, 2009 Nov 19, 2025
Bromodichloromethane 2943 Organic Chemical 7 of 23 results Oct 14, 2009 Nov 19, 2025
Dibromochloromethane 2944 Organic Chemical 7 of 23 results Oct 14, 2009 Nov 19, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 16, 2019 Feb 24, 2025
Monochloroacetic Acid 2450 Organic Chemical 5 of 23 results Oct 14, 2009 Sep 11, 2019
Trichloroacetic Acid 2452 Organic Chemical 4 of 23 results Oct 14, 2009 Feb 21, 2024
Dibromoacetic Acid 2454 Organic Chemical 4 of 23 results Oct 14, 2009 Feb 21, 2024
Nickel 1036 Inorganic Chemical 4 of 15 results Apr 29, 2013 May 6, 2019
Monobromoacetic Acid 2453 Organic Chemical 3 of 23 results Jul 13, 2009 Sep 28, 2020
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 37 results Mar 30, 2021 Mar 30, 2021
Nitrate 1040 Inorganic Chemical 1 of 37 results Mar 30, 2021 Mar 30, 2021
Nitrite 1041 Inorganic Chemical 1 of 37 results Mar 30, 2021 Mar 30, 2021
Selenium 1045 Inorganic Chemical 1 of 15 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 21–30 of 225 samples, newest first — collected September 12, 2023 to April 1, 2024. The summary above covers all 225.

57 results from the 10 samples listed here: 32 detected, 25 not detected. Across the whole record it is 239 of 1,193. 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 7 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 Hays Creek W/A - Alva, every result from 21 to 30 of 225 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
Apr 1, 2024 11:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240402-031
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2024 11:15, 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 Apr 1, 2024 11:15, 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 Apr 1, 2024 11:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 21, 2024 10:20
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-94737-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 21, 2024 10:20, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
6.5 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
6.8 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 21, 2024 10:20, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
1.8 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
15.1 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
9.8 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
0.67 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
9.1 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
6.8 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
26.37 ug/l , sample collected Feb 21, 2024 10:20, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 21, 2024 10:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-94737-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 21, 2024 10:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
6.4 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
6.7 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 21, 2024 10:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
1.7 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
14.8 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
9.9 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
0.66 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
9.1 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
6.6 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
26.26 ug/l , sample collected Feb 21, 2024 10:00, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 13, 2024 11:45
Sampling point
TF102 Treatment Facility TF102
Sample type
Routine
Lab sample
IN-240214-016
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
0.005 mg/l , sample collected Feb 13, 2024 11:45, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
0.189 mg/l , sample collected Feb 13, 2024 11:45, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2024 – Dec 31, 2026
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2024 11:45, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
Collected
Oct 30, 2023 12:31
Sampling point
TF102 Treatment Facility TF102
Sample type
Routine
Lab sample
IN-231031-011
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.0051 mg/l , sample collected Oct 30, 2023 12:31, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.18 mg/l , sample collected Oct 30, 2023 12:31, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2021 – Dec 31, 2023
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2023 12:31, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 12, 2023 07:00
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-230914-105
Laboratory
MSDH Lab
0.0025 mg/l , sample collected Sep 12, 2023 07:00, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.6 ug/l , sample collected Sep 12, 2023 07:00, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 12, 2023 07:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-230914-104
Laboratory
MSDH Lab
0.0032 mg/l , sample collected Sep 12, 2023 07:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.6 ug/l , sample collected Sep 12, 2023 07:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 12, 2023 07:00
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-230914-103
Laboratory
MSDH Lab
0.004 mg/l , sample collected Sep 12, 2023 07:00, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.9 ug/l , sample collected Sep 12, 2023 07:00, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 12, 2023 07:00
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-230914-102
Laboratory
MSDH Lab
0.0071 mg/l , sample collected Sep 12, 2023 07:00, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1.9 ug/l , sample collected Sep 12, 2023 07:00, sampling point LC0007 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 12, 2023 06:30
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-230914-101
Laboratory
MSDH Lab
0.0032 mg/l , sample collected Sep 12, 2023 06:30, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.6 ug/l , sample collected Sep 12, 2023 06:30, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).