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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.

1,2,4-Trichlorobenzene results

MS0380009 , Toomsuba Water Association

59 samples have been analysed for 1,2,4-Trichlorobenzene at Toomsuba 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 1,2,4-Trichlorobenzene result

The table below lists 1–10 of 59 samples, newest first — collected October 19, 2021 to July 8, 2026.

10 1,2,4-Trichlorobenzene results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 210 results for other analytes, which are on the full results page.

1,2,4-Trichlorobenzene results for Toomsuba 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
Jul 8, 2026
Sampling point
TF083 Treatment Facility TF083
Sample type
Routine
Lab sample
35050355004
Laboratory
Pace Analytical Services, LLC
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 8, 2026, sampling point TF083 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2026 – Dec 31, 2026
Collected
Mar 18, 2025 14:00
Sampling point
TF082 Treatment Plant T082
Sample type
Routine
Lab sample
VO-250319-007
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 18, 2025 14:00, sampling point TF082 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2025 – Dec 31, 2027
Collected
Feb 26, 2025 14:00
Sampling point
TF083 Treatment Facility TF083
Sample type
Routine
Lab sample
VO-250227-003
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 26, 2025 14:00, sampling point TF083 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Jan 31, 2023 14:00
Sampling point
TF083 Treatment Facility TF083
Sample type
Routine
Lab sample
VO-230201-026
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 31, 2023 14:00, sampling point TF083 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2023 – Dec 31, 2023
Collected
Jun 20, 2022 13:05
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
VO-220621-030
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:05, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Apr 19, 2022 14:00
Sampling point
TF083 Treatment Facility TF083
Sample type
Routine
Lab sample
VO-220420-007
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2022 14:00, sampling point TF083 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Collected
Apr 19, 2022 14:30
Sampling point
TF082 Treatment Plant T082
Sample type
Routine
Lab sample
VO-220420-006
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 19, 2022 14:30, sampling point TF082 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2022 – Dec 31, 2024
Collected
Jan 19, 2022 12:15
Sampling point
TF083 Treatment Facility TF083
Sample type
Routine
Lab sample
VO-220120-005
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 19, 2022 12:15, sampling point TF083 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Collected
Jan 19, 2022 12:30
Sampling point
TF082 Treatment Plant T082
Sample type
Routine
Lab sample
VO-220120-004
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 19, 2022 12:30, sampling point TF082 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2022 – Dec 31, 2024
Collected
Oct 19, 2021 13:08
Sampling point
TF083 Treatment Facility TF083
Sample type
Routine
Lab sample
VO-211020-004
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 19, 2021 13:08, sampling point TF083 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2021 – Dec 31, 2021

Routine (10).