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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.

Arsenic results

MS0090004 , Houlka-Houston W/A

30 samples have been analysed for Arsenic at Houlka-Houston W/A.

This is one analyte out of the system’s whole record. For what has ever been detected here, and when, see all chemical and radiological results; for everything the system is tested for, see the analyte list.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

No date range is applied: this list draws on every sample on record. Show the last two years only.

Every Arsenic result

The table below lists 1–10 of 30 samples, newest first — collected October 3, 2018 to January 13, 2025.

10 Arsenic results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 100 results for other analytes, which are on the full results page.

Arsenic results for Houlka-Houston W/A, from 1 to 10 of 30 samples shown analysed for it, newest first. This view leaves out other analytes on the same samples. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jan 13, 2025 14:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250114-032
Laboratory
MSDH Lab
0.0014 mg/l , sample collected Jan 13, 2025 14:45, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 13, 2025 14:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250114-031
Laboratory
MSDH Lab
0.0012 mg/l , sample collected Jan 13, 2025 14:00, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 12, 2024 13:15
Sampling point
TF104 Treatment Facility TF104
Sample type
Routine
Lab sample
IN-240213-020
Laboratory
MSDH Lab
0.001 mg/l , sample collected Feb 12, 2024 13:15, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2024 – Dec 31, 2026
Collected
Oct 30, 2023 14:30
Sampling point
TF104 Treatment Facility TF104
Sample type
Routine
Lab sample
IN-231031-015
Laboratory
MSDH Lab
0.0007 mg/l , sample collected Oct 30, 2023 14:30, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
May 3, 2022 11:35
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-220504-043
Laboratory
MSDH Lab
0.0011 mg/l , sample collected May 3, 2022 11:35, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 3, 2022 11:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-220504-044
Laboratory
MSDH Lab
0.0009 mg/l , sample collected May 3, 2022 11:10, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Apr 13, 2020 15:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
200414-010IN
Laboratory
MSDH Lab
0.0017 mg/l , sample collected Apr 13, 2020 15:10, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Apr 13, 2020
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
200414-009IN
Laboratory
MSDH Lab
0.0016 mg/l , sample collected Apr 13, 2020, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Mar 23, 2020 16:30
Sampling point
TF104 Treatment Facility TF104
Sample type
Routine
Lab sample
200324-026IN
Laboratory
MSDH Lab
0.0013 mg/l , sample collected Mar 23, 2020 16:30, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Oct 3, 2018 14:40
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
181004-030IN
Laboratory
MSDH Lab
0.0007 mg/l , sample collected Oct 3, 2018 14:40, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019

Routine (10).