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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.

Total Haloacetic Acids (Haa5) results

MS0170043 , Walls Water Assn- Lake Forest

2 samples have been analysed for Total Haloacetic Acids (Haa5) at Walls Water Assn- Lake Forest.

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.

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

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Every Total Haloacetic Acids (Haa5) result

The 2 samples analysed for this analyte collected between September 25, 2024 and September 25, 2026 are listed below, newest first.

2 Total Haloacetic Acids (Haa5) results from the 2 samples listed here: 0 detected, 2 not detected. Those samples also carried 20 results for other analytes, which are on the full results page.

Total Haloacetic Acids (Haa5) results for Walls Water Assn- Lake Forest, from the 2 samples 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 28, 2026 09:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
810-201948-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jul 28, 2026 09:05, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2026 – Dec 31, 2026
Collected
Aug 7, 2025 10:40
Sampling point
SM3 Stage 2 DBP
Sample type
Routine
Lab sample
810-159045-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Aug 7, 2025 10:40, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded

Routine (2).