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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

MS0050017 , North Benton W/A

53 samples have been analysed for Arsenic at North Benton 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 53 samples, newest first — collected February 24, 2022 to June 9, 2026.

10 Arsenic results from the 10 samples listed here: 9 detected, 1 not detected. Those samples also carried 99 results for other analytes, which are on the full results page.

Units in this table

Arsenic is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Arsenic results for North Benton W/A, from 1 to 10 of 53 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
Jun 9, 2026
Sampling point
TF080
Sample type
Routine
Lab sample
35042862001
Laboratory
Pace Analytical Services, LLC
10.4 ug/l , sample collected Jun 9, 2026, sampling point TF080 Arsenic 1005 EPA method 200.8 Apr 1, 2026 – Jun 30, 2026
Collected
Dec 8, 2025 12:30
Sampling point
TF080
Sample type
Routine
Lab sample
IN-251209-002
Laboratory
MSDH Lab
0.0059 mg/l , sample collected Dec 8, 2025 12:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Oct 1, 2025 – Dec 31, 2025
Collected
Apr 14, 2025 13:00
Sampling point
TF080
Sample type
Routine
Lab sample
IN-250415-002
Laboratory
MSDH Lab
0.0061 mg/l , sample collected Apr 14, 2025 13:00, sampling point TF080 Arsenic 1005 EPA method 200.8 Apr 1, 2025 – Jun 30, 2025
Collected
Feb 5, 2024 12:20
Sampling point
TF080
Sample type
Routine
Lab sample
IN-240206-017
Laboratory
MSDH Lab
0.0028 mg/l , sample collected Feb 5, 2024 12:20, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2024 – Dec 31, 2024
Collected
May 15, 2023 14:30
Sampling point
TF080
Sample type
Routine
Lab sample
IN-230516-020
Laboratory
MSDH Lab
0.0012 mg/l , sample collected May 15, 2023 14:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Apr 1, 2023 – Jun 30, 2023
Collected
Feb 21, 2023 12:10
Sampling point
TF080
Sample type
Routine
Lab sample
IN-230222-008
Laboratory
MSDH Lab
0.0009 mg/l , sample collected Feb 21, 2023 12:10, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Mar 31, 2023
Collected
Nov 29, 2022 12:10
Sampling point
TF080
Sample type
Routine
Lab sample
IN-221130-010
Laboratory
MSDH Lab
0.0014 mg/l , sample collected Nov 29, 2022 12:10, sampling point TF080 Arsenic 1005 EPA method 200.8 Oct 1, 2022 – Dec 31, 2022
Collected
Aug 24, 2022 12:20
Sampling point
TF080
Sample type
Routine
Lab sample
IN-220825-005
Laboratory
MSDH Lab
0.0053 mg/l , sample collected Aug 24, 2022 12:20, sampling point TF080 Arsenic 1005 EPA method 200.8 Jul 1, 2022 – Sep 30, 2022
Collected
Apr 26, 2022 08:30
Sampling point
TF080
Sample type
Routine
Lab sample
IN-220427-148
Laboratory
MSDH Lab
0.0007 mg/l , sample collected Apr 26, 2022 08:30, sampling point TF080 Arsenic 1005 EPA method 200.8 Apr 1, 2022 – Jun 30, 2022
Collected
Feb 24, 2022 12:35
Sampling point
TF080
Sample type
Routine
Lab sample
IN-220228-001
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 24, 2022 12:35, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2022 – Mar 31, 2022

Routine (10).