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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.

Chloroform results

MS0450007 , East Madison Water Assn-West

87 samples have been analysed for Chloroform at East Madison Water Assn-West.

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 Chloroform result

The table below lists 1–10 of 87 samples, newest first — collected December 9, 2019 to August 12, 2025.

10 Chloroform results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 40 results for other analytes, which are on the full results page.

We withheld the location of 2 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 The location on record identifies a private home, and we do not publish those.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.

Chloroform results for East Madison Water Assn-West, from 1 to 10 of 87 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 12, 2025 10:45
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-159987-2
Laboratory
Eurofins Eaton Analytical South Bend in
9.1 ug/l , sample collected Aug 12, 2025 10:45, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Dec 1, 2020 10:35
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
201202-004TH
Laboratory
MSDH Lab
14.2 ug/l , sample collected Dec 1, 2020 10:35, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Dec 1, 2020 13:23
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
201202-003TH
Laboratory
MSDH Lab
48.1 ug/l , sample collected Dec 1, 2020 13:23, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Sep 1, 2020 11:40
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
200902-010TH
Laboratory
MSDH Lab
10.5 ug/l , sample collected Sep 1, 2020 11:40, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Sep 1, 2020 13:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
200902-009TH
Laboratory
MSDH Lab
55.4 ug/l , sample collected Sep 1, 2020 13:30, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Jul 9, 2020 11:08
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
200710-002TH
Laboratory
MSDH Lab
32.4 ug/l , sample collected Jul 9, 2020 11:08, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Jul 9, 2020 11:58
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
200710-001TH
Laboratory
MSDH Lab
46.1 ug/l , sample collected Jul 9, 2020 11:58, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Mar 4, 2020 12:30
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
200305-002TH
Laboratory
MSDH Lab
15.9 ug/l , sample collected Mar 4, 2020 12:30, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Mar 4, 2020 13:50
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
200305-001TH
Laboratory
MSDH Lab
31.3 ug/l , sample collected Mar 4, 2020 13:50, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Collected
Dec 9, 2019 11:33
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
191210-009TH
Laboratory
MSDH Lab
13.4 ug/l , sample collected Dec 9, 2019 11:33, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded

Routine (10).