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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.

Barium results

MS0730010 , Lake Arrowhead

29 samples have been analysed for Barium 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 Barium result

The table below lists 1–10 of 29 samples, newest first — collected December 13, 2016 to April 2, 2025.

10 Barium results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 97 results for other analytes, which are on the full results page.

Barium results for Lake Arrowhead, from 1 to 10 of 29 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
Apr 2, 2025 11:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250403-037
Laboratory
MSDH Lab
0.0174 mg/l , sample collected Apr 2, 2025 11:50, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 2, 2025 11:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250403-036
Laboratory
MSDH Lab
0.0168 mg/l , sample collected Apr 2, 2025 11:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Apr 2, 2025 11:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250403-035
Laboratory
MSDH Lab
0.0169 mg/l , sample collected Apr 2, 2025 11:40, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Dec 6, 2022 08:10
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-221207-072
Laboratory
MSDH Lab
0.0186 mg/l , sample collected Dec 6, 2022 08:10, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Dec 6, 2022 08:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-221207-071
Laboratory
MSDH Lab
0.0164 mg/l , sample collected Dec 6, 2022 08:20, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Dec 6, 2022 08:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-221207-070
Laboratory
MSDH Lab
0.0182 mg/l , sample collected Dec 6, 2022 08:10, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 14, 2019 14:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190515-018IN
Laboratory
MSDH Lab
0.0369 mg/l , sample collected May 14, 2019 14:30, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
May 14, 2019 14:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190515-017IN
Laboratory
MSDH Lab
0.0388 mg/l , sample collected May 14, 2019 14:10, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
May 14, 2019 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190515-016IN
Laboratory
MSDH Lab
0.0391 mg/l , sample collected May 14, 2019 14:00, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Dec 13, 2016 02:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
161214-073IN
Laboratory
MSDH Lab
0.0343 mg/l , sample collected Dec 13, 2016 02:45, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016

Routine (10).