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
12 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.
No date range is applied: this list draws on every sample on record. Show the last two years only.
Every Total Haloacetic Acids (Haa5) result
The table below lists 1–10 of 12 samples, newest first — collected July 12, 2012 to July 28, 2026.
10 Total Haloacetic Acids (Haa5) results from the 10 samples listed here: 8 detected, 2 not detected. Those samples also carried 40 results for other analytes, which are on the full results page.
Units in this table
Total Haloacetic Acids (Haa5) is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.
| Result | Analyte | Monitoring period |
|---|---|---|
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| 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 |
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| 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 |
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| 1.84 ug/l , sample collected Mar 18, 2024 09:19, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Not recorded |
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| 1.58 ug/l , sample collected May 22, 2023 13:47, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Not recorded |
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| 4.05 ug/l , sample collected Mar 2, 2022 13:30, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Not recorded |
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| 5.57 ug/l , sample collected Aug 31, 2021 13:10, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Jan 1, 2021 – Dec 31, 2021 |
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| 0.008 mg/l , sample collected Aug 25, 2020 14:15, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2020 – Dec 31, 2020 |
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| 0.001 mg/l , sample collected Jul 24, 2018 15:05, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2017 – Dec 31, 2019 |
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| 0.004 mg/l , sample collected Jun 24, 2015 02:18, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2014 – Dec 31, 2016 |
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| 0.019 mg/l , sample collected Jul 12, 2012 01:05, sampling point MRT000 | Total Haloacetic Acids (Haa5) 2456 | Jan 1, 2011 – Dec 31, 2013 |
-
- 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
- Monitoring period
- Jan 1, 2026 – Dec 31, 2026
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- Not detected below 2 ug/l Minimum Reporting Level
-
- 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
- Monitoring period
- Not recorded
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- Not detected below 2 ug/l Minimum Reporting Level
-
- Collected
- Mar 18, 2024 09:19
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- HA-240319-012
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 1.84 ug/l
-
- Collected
- May 22, 2023 13:47
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- HA-230523-007
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 1.58 ug/l
-
- Collected
- Mar 2, 2022 13:30
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- HA-220302-016
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 4.05 ug/l
-
- Collected
- Aug 31, 2021 13:10
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- HA-210901-004
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 5.57 ug/l
-
- Collected
- Aug 25, 2020 14:15
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 200826-006HA
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2020
-
Total Haloacetic Acids (Haa5) 2456
- Result
- 0.008 mg/l
-
- Collected
- Jul 24, 2018 15:05
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 180725-020HA
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Total Haloacetic Acids (Haa5) 2456
- Result
- 0.001 mg/l
-
- Collected
- Jun 24, 2015 02:18
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 150625-015HA
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
Total Haloacetic Acids (Haa5) 2456
- Result
- 0.004 mg/l
-
- Collected
- Jul 12, 2012 01:05
- Sampling point
- MRT000 Max. Res. Time
- Sample type
- Routine
- Lab sample
- 120713-005HA
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
Total Haloacetic Acids (Haa5) 2456
- Result
- 0.019 mg/l
Routine (10).