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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

MS0700011 , Town of Walnut

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

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 93 samples, newest first — collected September 24, 2020 to September 24, 2020.

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.

Copper, Free results for Town of Walnut, from 11 to 20 of 93 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 24, 2020 05:07
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-124PB
Laboratory
MSDH Lab
0.4741 mg/l , sample collected Sep 24, 2020 05:07, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 06:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-123PB
Laboratory
MSDH Lab
0.0113 mg/l , sample collected Sep 24, 2020 06:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-122PB
Laboratory
MSDH Lab
0.1799 mg/l , sample collected Sep 24, 2020 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 08:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-121PB
Laboratory
MSDH Lab
0.2914 mg/l , sample collected Sep 24, 2020 08:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-120PB
Laboratory
MSDH Lab
0.0555 mg/l , sample collected Sep 24, 2020 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 04:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-119PB
Laboratory
MSDH Lab
0.1266 mg/l , sample collected Sep 24, 2020 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 10:06
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-118PB
Laboratory
MSDH Lab
0.484 mg/l , sample collected Sep 24, 2020 10:06, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-117PB
Laboratory
MSDH Lab
0.0273 mg/l , sample collected Sep 24, 2020 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-116PB
Laboratory
MSDH Lab
0.0198 mg/l , sample collected Sep 24, 2020 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 24, 2020 07:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200925-115PB
Laboratory
MSDH Lab
0.0139 mg/l , sample collected Sep 24, 2020 07:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).