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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

MS0730010 , Lake Arrowhead

83 samples have been analysed for Copper, Free at Lake Arrowhead.

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 83 samples, newest first — collected September 7, 2020 to August 28, 2023.

10 Copper, Free results from the 10 samples listed here: 9 detected, 1 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 The location on record identifies a private home, and we do not publish those.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 Lake Arrowhead, from 1 to 10 of 83 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 28, 2023 14:10
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-230830-102
Laboratory
MSDH Lab
0.0032 mg/l , sample collected Aug 28, 2023 14:10, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 28, 2023 14:00
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-230830-101
Laboratory
MSDH Lab
0.0038 mg/l , sample collected Aug 28, 2023 14:00, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 28, 2023 13:45
Sampling point
LC0007 Location withheld
Sample type
Routine
Lab sample
PB-230830-100
Laboratory
MSDH Lab
0.0094 mg/l , sample collected Aug 28, 2023 13:45, sampling point LC0007 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 28, 2023 13:00
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-230830-099
Laboratory
MSDH Lab
0.0033 mg/l , sample collected Aug 28, 2023 13:00, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 28, 2023 12:10
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-230830-098
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 28, 2023 12:10, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 9, 2020 12:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200910-040PB
Laboratory
MSDH Lab
0.0021 mg/l , sample collected Sep 9, 2020 12:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 9, 2020 12:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200910-039PB
Laboratory
MSDH Lab
0.0172 mg/l , sample collected Sep 9, 2020 12:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 8, 2020 10:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200910-037PB
Laboratory
MSDH Lab
0.005 mg/l , sample collected Sep 8, 2020 10:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 7, 2020 09:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200910-038PB
Laboratory
MSDH Lab
0.0025 mg/l , sample collected Sep 7, 2020 09:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Sep 7, 2020 04:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
200910-036PB
Laboratory
MSDH Lab
0.0022 mg/l , sample collected Sep 7, 2020 04:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020

Routine (10).