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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

MS0620010 , Sebastopol Water Association

20 samples have been analysed for Copper, Free at Sebastopol Water Association.

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 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

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Every Copper, Free result

The table below lists 11–20 of 20 samples, newest first — collected July 1, 2025 to July 1, 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 The location on record identifies a private home, and we do not publish those.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 Sebastopol Water Association, from 11 to 20 of 20 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
Jul 1, 2025 07:00
Sampling point
LC018 Location withheld
Sample type
Routine
Lab sample
PB-250702-040
Laboratory
MSDH Lab
0.0136 mg/l , sample collected Jul 1, 2025 07:00, sampling point LC018 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 09:35
Sampling point
LC003 Location withheld
Sample type
Routine
Lab sample
PB-250702-039
Laboratory
MSDH Lab
0.0228 mg/l , sample collected Jul 1, 2025 09:35, sampling point LC003 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 10:00
Sampling point
LC010 Location withheld
Sample type
Routine
Lab sample
PB-250702-038
Laboratory
MSDH Lab
0.061 mg/l , sample collected Jul 1, 2025 10:00, sampling point LC010 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 05:05
Sampling point
LC014 Location withheld
Sample type
Routine
Lab sample
PB-250702-037
Laboratory
MSDH Lab
0.0087 mg/l , sample collected Jul 1, 2025 05:05, sampling point LC014 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 07:26
Sampling point
LC020 Location withheld
Sample type
Routine
Lab sample
PB-250702-036
Laboratory
MSDH Lab
0.25 mg/l , sample collected Jul 1, 2025 07:26, sampling point LC020 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 06:15
Sampling point
LC015 Location withheld
Sample type
Routine
Lab sample
PB-250702-035
Laboratory
MSDH Lab
0.0748 mg/l , sample collected Jul 1, 2025 06:15, sampling point LC015 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 08:45
Sampling point
LC021 Location withheld
Sample type
Routine
Lab sample
PB-250702-034
Laboratory
MSDH Lab
0.121 mg/l , sample collected Jul 1, 2025 08:45, sampling point LC021 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 05:00
Sampling point
LC019 Location withheld
Sample type
Routine
Lab sample
PB-250702-033
Laboratory
MSDH Lab
0.0065 mg/l , sample collected Jul 1, 2025 05:00, sampling point LC019 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 05:14
Sampling point
LC024 Location withheld
Sample type
Routine
Lab sample
PB-250702-032
Laboratory
MSDH Lab
0.0234 mg/l , sample collected Jul 1, 2025 05:14, sampling point LC024 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jul 1, 2025 08:00
Sampling point
LC023 Location withheld
Sample type
Routine
Lab sample
PB-250702-031
Laboratory
MSDH Lab
0.0657 mg/l , sample collected Jul 1, 2025 08:00, sampling point LC023 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (10).