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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

MS0080001 , Black Hawk Water Assn #1

14 samples have been analysed for 1,2,4-Trichlorobenzene at Black Hawk Water Assn #1.

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 14 samples, newest first — collected July 22, 2004 to March 31, 2022.

10 1,2,4-Trichlorobenzene results from the 10 samples listed here: 0 detected, 10 not detected. Those samples also carried 200 results for other analytes, which are on the full results page.

Units in this table

1,2,4-Trichlorobenzene is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

1,2,4-Trichlorobenzene results for Black Hawk Water Assn #1, from 1 to 10 of 14 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
Mar 31, 2022 13:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
VO-220401-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 31, 2022 13:30, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Mar 31, 2022 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-220401-001
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Mar 31, 2022 13:30, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Jun 26, 2012 01:05
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120627-012VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2012 01:05, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Jun 26, 2012 01:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120627-011VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 26, 2012 01:00, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Apr 14, 2008
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
080415-021VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 14, 2008, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Collected
Apr 14, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080415-015VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Apr 14, 2008, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Collected
Oct 21, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
041022-036VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 21, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Collected
Oct 7, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
041008-011VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 7, 2004, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Collected
Jul 22, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
040723-028VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 22, 2004, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Collected
Jul 22, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040723-024VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jul 22, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004

Routine (10).