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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

MS0620010 , Sebastopol Water Association

59 samples have been analysed for Barium 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.

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 59 samples, newest first — collected October 18, 2022 to June 23, 2026.

10 Barium results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 99 results for other analytes, which are on the full results page.

Units in this table

Barium is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Barium results for Sebastopol Water Association, from 1 to 10 of 59 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
Jun 23, 2026
Sampling point
TF107 TF107
Sample type
Routine
Lab sample
35048349001
Laboratory
Pace Analytical Services, LLC
4.1 ug/l , sample collected Jun 23, 2026, sampling point TF107 Barium 1010 EPA method 200.8 Not recorded
Collected
Mar 24, 2025 13:00
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
IN-250325-083
Laboratory
MSDH Lab
0.0113 mg/l , sample collected Mar 24, 2025 13:00, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 24, 2025 13:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250325-082
Laboratory
MSDH Lab
0.0054 mg/l , sample collected Mar 24, 2025 13:15, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 24, 2025 13:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250325-081
Laboratory
MSDH Lab
0.0037 mg/l , sample collected Mar 24, 2025 13:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Mar 24, 2025 13:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250325-080
Laboratory
MSDH Lab
0.0036 mg/l , sample collected Mar 24, 2025 13:45, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Jan 9, 2024 13:25
Sampling point
TF107 TF107
Sample type
Routine
Lab sample
IN-240110-036
Laboratory
MSDH Lab
0.0034 mg/l , sample collected Jan 9, 2024 13:25, sampling point TF107 Barium 1010 EPA method 200.8 Not recorded
Collected
Jan 9, 2024 13:15
Sampling point
TF106 TF106
Sample type
Routine
Lab sample
IN-240110-035
Laboratory
MSDH Lab
0.0024 mg/l , sample collected Jan 9, 2024 13:15, sampling point TF106 Barium 1010 EPA method 200.8 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 18, 2022 13:15
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
IN-221019-030
Laboratory
MSDH Lab
0.0113 mg/l , sample collected Oct 18, 2022 13:15, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 18, 2022 13:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-221019-029
Laboratory
MSDH Lab
0.0049 mg/l , sample collected Oct 18, 2022 13:00, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 18, 2022 13:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-221019-028
Laboratory
MSDH Lab
0.003 mg/l , sample collected Oct 18, 2022 13:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).