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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

MS0150001 , Copiah W/A - Bayou Pierre #1

34 samples have been analysed for Arsenic at Copiah W/A - Bayou Pierre #1.

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 34 samples, newest first — collected October 30, 2018 to February 5, 2025.

10 Arsenic results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 98 results for other analytes, which are on the full results page.

Arsenic results for Copiah W/A - Bayou Pierre #1, from 1 to 10 of 34 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
Feb 5, 2025 10:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250206-001
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 10:15, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Feb 5, 2025 10:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250206-002
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 5, 2025 10:30, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
May 23, 2022 11:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-220524-010
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 23, 2022 11:30, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 23, 2022 11:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-220524-011
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 23, 2022 11:40, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
Collected
May 23, 2022 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-220524-012
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 23, 2022 12:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Apr 29, 2020 10:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
200430-020IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 29, 2020 10:40, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Apr 29, 2020 10:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
200430-019IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 29, 2020 10:50, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Apr 29, 2020 10:35
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
200430-018IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 29, 2020 10:35, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 7, 2019 10:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
191008-002IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 7, 2019 10:30, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Oct 30, 2018 10:20
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
181031-006IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 30, 2018 10:20, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019

Routine (10).