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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

MS0360017 , Yocona Water Association, Inc.

57 samples have been analysed for Copper, Free at Yocona Water Association, Inc..

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 57 samples, newest first — collected June 28, 2020 to November 12, 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 7 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 The location on record identifies a private home, and we do not publish those.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 Yocona Water Association, Inc., from 1 to 10 of 57 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
Nov 12, 2025 06:20
Sampling point
LC0012 Location withheld
Sample type
Routine
Lab sample
PB-251114-002
Laboratory
MSDH Lab
0.337 mg/l , sample collected Nov 12, 2025 06:20, sampling point LC0012 Copper, Free 1022 EPA method 200.8 Not recorded
Collected
Nov 11, 2025 09:50
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-251114-001
Laboratory
MSDH Lab
0.207 mg/l , sample collected Nov 11, 2025 09:50, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Not recorded
Collected
Nov 11, 2025 08:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-251114-003
Laboratory
MSDH Lab
0.0272 mg/l , sample collected Nov 11, 2025 08:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Not recorded
Collected
Nov 11, 2025 06:45
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-251114-004
Laboratory
MSDH Lab
0.1 mg/l , sample collected Nov 11, 2025 06:45, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Not recorded
Collected
Sep 26, 2025 13:20
Sampling point
LC0017 Location withheld
Sample type
Routine
Lab sample
PB-251001-082
Laboratory
MSDH Lab
0.0085 mg/l , sample collected Sep 26, 2025 13:20, sampling point LC0017 Copper, Free 1022 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Collected
Sep 25, 2025 06:45
Sampling point
LC0014 Location withheld
Sample type
Routine
Lab sample
PB-251001-076
Laboratory
MSDH Lab
0.0384 mg/l , sample collected Sep 25, 2025 06:45, sampling point LC0014 Copper, Free 1022 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Collected
Sep 18, 2025 08:27
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-251001-078
Laboratory
MSDH Lab
0.308 mg/l , sample collected Sep 18, 2025 08:27, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2025 – Dec 31, 2025
Collected
Jun 28, 2020 07:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200630-045PB
Laboratory
MSDH Lab
0.3033 mg/l , sample collected Jun 28, 2020 07:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 28, 2020 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200630-044PB
Laboratory
MSDH Lab
0.0822 mg/l , sample collected Jun 28, 2020 06:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Jun 28, 2020 06:32
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200630-043PB
Laboratory
MSDH Lab
0.0285 mg/l , sample collected Jun 28, 2020 06:32, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).