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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

MS0360069 , Twelve Oaks Water System

40 samples have been analysed for Copper, Free at Twelve Oaks 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 1–10 of 40 samples, newest first — collected June 14, 2022 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 5 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 The location on record identifies a private home, and we do not publish those.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 Twelve Oaks Water System, from 1 to 10 of 40 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 09:18
Sampling point
LC005 Location withheld
Sample type
Routine
Lab sample
PB-250918-056
Laboratory
MSDH Lab
0.0048 mg/l , sample collected Sep 17, 2025 09:18, sampling point LC005 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 09:11
Sampling point
LC004 Location withheld
Sample type
Routine
Lab sample
PB-250918-055
Laboratory
MSDH Lab
0.004 mg/l , sample collected Sep 17, 2025 09:11, sampling point LC004 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 09:00
Sampling point
LC003 Location withheld
Sample type
Routine
Lab sample
PB-250918-054
Laboratory
MSDH Lab
0.0039 mg/l , sample collected Sep 17, 2025 09:00, sampling point LC003 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 08:54
Sampling point
LC002 Location withheld
Sample type
Routine
Lab sample
PB-250918-053
Laboratory
MSDH Lab
0.0061 mg/l , sample collected Sep 17, 2025 08:54, sampling point LC002 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 17, 2025 08:50
Sampling point
LC001 Location withheld
Sample type
Routine
Lab sample
PB-250918-052
Laboratory
MSDH Lab
0.0053 mg/l , sample collected Sep 17, 2025 08:50, sampling point LC001 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jun 14, 2022 09:05
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-220615-090
Laboratory
MSDH Lab
0.0298 mg/l , sample collected Jun 14, 2022 09:05, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 14, 2022 09:09
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-220615-089
Laboratory
MSDH Lab
0.0229 mg/l , sample collected Jun 14, 2022 09:09, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 14, 2022 09:17
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-220615-088
Laboratory
MSDH Lab
0.0282 mg/l , sample collected Jun 14, 2022 09:17, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 14, 2022 09:27
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-220615-086
Laboratory
MSDH Lab
0.0198 mg/l , sample collected Jun 14, 2022 09:27, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 14, 2022 09:33
Sampling point
DS000 Distribution DS000
Sample type
Routine
Lab sample
PB-220615-087
Laboratory
MSDH Lab
0.133 mg/l , sample collected Jun 14, 2022 09:33, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).