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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

MS0400011 , Town of Walnut Grove

33 samples have been analysed for Copper, Free at Town of Walnut Grove.

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 33 samples, newest first — collected September 29, 2020 to August 29, 2023.

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 4 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 The location on record identifies a private home, and we do not publish those.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 Town of Walnut Grove, from 1 to 10 of 33 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
Aug 29, 2023 05:00
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-230831-074
Laboratory
MSDH Lab
0.147 mg/l , sample collected Aug 29, 2023 05:00, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 29, 2023 06:02
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-230831-073
Laboratory
MSDH Lab
0.163 mg/l , sample collected Aug 29, 2023 06:02, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 28, 2023 16:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230831-072
Laboratory
MSDH Lab
0.0709 mg/l , sample collected Aug 28, 2023 16:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 28, 2023 17:00
Sampling point
LC0021 Location withheld
Sample type
Routine
Lab sample
PB-230831-071
Laboratory
MSDH Lab
0.162 mg/l , sample collected Aug 28, 2023 17:00, sampling point LC0021 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 28, 2023 17:21
Sampling point
LC0019 Location withheld
Sample type
Routine
Lab sample
PB-230831-070
Laboratory
MSDH Lab
0.114 mg/l , sample collected Aug 28, 2023 17:21, sampling point LC0019 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 29, 2020 17:45
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201001-071PB
Laboratory
MSDH Lab
0.0233 mg/l , sample collected Sep 29, 2020 17:45, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 29, 2020 16:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201001-070PB
Laboratory
MSDH Lab
0.0404 mg/l , sample collected Sep 29, 2020 16:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 29, 2020 17:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201001-069PB
Laboratory
MSDH Lab
0.1475 mg/l , sample collected Sep 29, 2020 17:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 29, 2020 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201001-068PB
Laboratory
MSDH Lab
0.107 mg/l , sample collected Sep 29, 2020 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 29, 2020 07:40
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201001-067PB
Laboratory
MSDH Lab
0.1339 mg/l , sample collected Sep 29, 2020 07:40, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).