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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.

Copper, Free results

MS0410033 , Old Union Water System

156 samples have been analysed for Copper, Free at Old Union Water System.

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 Copper, Free result

The table below lists 11–20 of 156 samples, newest first — collected September 17, 2025 to September 17, 2025.

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

We withheld the location of 10 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 The location on record identifies a private home, and we do not publish those.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.

Copper, Free results for Old Union Water System, from 11 to 20 of 156 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
Sep 17, 2025 13:30
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-250918-017
Laboratory
MSDH Lab
0.0052 mg/l , sample collected Sep 17, 2025 13:30, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 13:15
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-250918-022
Laboratory
MSDH Lab
0.324 mg/l , sample collected Sep 17, 2025 13:15, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 13:00
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-250918-024
Laboratory
MSDH Lab
0.425 mg/l , sample collected Sep 17, 2025 13:00, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 12:30
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-250918-026
Laboratory
MSDH Lab
0.196 mg/l , sample collected Sep 17, 2025 12:30, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 12:15
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-250918-021
Laboratory
MSDH Lab
0.295 mg/l , sample collected Sep 17, 2025 12:15, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 11:50
Sampling point
LC0026 Location withheld
Sample type
Routine
Lab sample
PB-250918-019
Laboratory
MSDH Lab
0.0645 mg/l , sample collected Sep 17, 2025 11:50, sampling point LC0026 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 11:40
Sampling point
LC0017 Location withheld
Sample type
Routine
Lab sample
PB-250918-027
Laboratory
MSDH Lab
0.237 mg/l , sample collected Sep 17, 2025 11:40, sampling point LC0017 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 11:15
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-250918-025
Laboratory
MSDH Lab
0.384 mg/l , sample collected Sep 17, 2025 11:15, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 09:45
Sampling point
LC0019 Location withheld
Sample type
Routine
Lab sample
PB-250918-023
Laboratory
MSDH Lab
0.0088 mg/l , sample collected Sep 17, 2025 09:45, sampling point LC0019 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 10:10
Sampling point
LC0013 Location withheld
Sample type
Routine
Lab sample
PB-250918-020
Laboratory
MSDH Lab
0.219 mg/l , sample collected Sep 17, 2025 10:10, sampling point LC0013 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (10).