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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

MS0580003 , Town of Ecru

4 samples have been analysed for Arsenic at Town of Ecru.

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.

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

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Every Arsenic result

The 4 samples analysed for this analyte collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

4 Arsenic results from the 4 samples listed here: 4 detected, 0 not detected. Those samples also carried 62 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 Town of Ecru, from the 4 samples 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
Jul 16, 2026
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
35051621002
Laboratory
Pace Analytical Services, LLC
1.1 ug/l , sample collected Jul 16, 2026, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2026 – Dec 31, 2028
Collected
Jul 16, 2026
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
35051621001
Laboratory
Pace Analytical Services, LLC
1.4 ug/l , sample collected Jul 16, 2026, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2026 – Dec 31, 2028
Collected
Mar 19, 2025 11:05
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250320-017
Laboratory
MSDH Lab
0.0008 mg/l , sample collected Mar 19, 2025 11:05, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 19, 2025 10:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250320-016
Laboratory
MSDH Lab
0.0014 mg/l , sample collected Mar 19, 2025 10:20, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (4).