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
MS0300010 , Ingalls Shipbuilding
232 samples have been analysed for Total Haloacetic Acids (Haa5) at Ingalls Shipbuilding.
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 232 samples, newest first — collected April 16, 2024 to October 29, 2025.
10 Total Haloacetic Acids (Haa5) results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 5 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| 17.2 ug/l , sample collected Oct 29, 2025 08:47, sampling point DS000 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Not recorded |
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| 18.8 ug/l , sample collected Oct 16, 2024 12:39, sampling point SM6 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Oct 1, 2024 – Dec 31, 2024 |
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| 23.9 ug/l , sample collected Oct 16, 2024 11:52, sampling point SM4 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Oct 1, 2024 – Dec 31, 2024 |
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| 22.4 ug/l , sample collected Oct 16, 2024 12:54, sampling point SM2 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Oct 1, 2024 – Dec 31, 2024 |
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| 16.1 ug/l , sample collected Oct 16, 2024 12:08, sampling point SM1 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Oct 1, 2024 – Dec 31, 2024 |
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| 21.6 ug/l , sample collected Jul 16, 2024 12:38, sampling point SM6 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Jul 1, 2024 – Sep 30, 2024 |
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| 24.1 ug/l , sample collected Jul 16, 2024 12:54, sampling point SM4 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Jul 1, 2024 – Sep 30, 2024 |
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| 25.5 ug/l , sample collected Jul 16, 2024 12:23, sampling point SM2 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Jul 1, 2024 – Sep 30, 2024 |
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| 18.7 ug/l , sample collected Jul 16, 2024 13:12, sampling point SM1 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Jul 1, 2024 – Sep 30, 2024 |
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| 11.1 ug/l , sample collected Apr 16, 2024 11:31, sampling point SM6 | Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 | Apr 1, 2024 – Jun 30, 2024 |
-
- Collected
- Oct 29, 2025 08:47
- Sampling point
- DS000 Distribution
- Sample type
- Routine
- Lab sample
- 810-169968-1
- Laboratory
- Eurofins Eaton Analytical South Bend in
- Monitoring period
- Not recorded
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 17.2 ug/l
-
- Collected
- Oct 16, 2024 12:39
- Sampling point
- SM6 At Fab Shop
- Sample type
- Routine
- Lab sample
- HA-241017-028
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Dec 31, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 18.8 ug/l
-
- Collected
- Oct 16, 2024 11:52
- Sampling point
- SM4 Panel Shop
- Sample type
- Routine
- Lab sample
- HA-241017-027
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Dec 31, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 23.9 ug/l
-
- Collected
- Oct 16, 2024 12:54
- Sampling point
- SM2 At Multi-Purpose Whse
- Sample type
- Routine
- Lab sample
- HA-241017-026
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Dec 31, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 22.4 ug/l
-
- Collected
- Oct 16, 2024 12:08
- Sampling point
- SM1 Control Room Near Well 2
- Sample type
- Routine
- Lab sample
- HA-241017-025
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2024 – Dec 31, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 16.1 ug/l
-
- Collected
- Jul 16, 2024 12:38
- Sampling point
- SM6 At Fab Shop
- Sample type
- Routine
- Lab sample
- HA-240717-004
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2024 – Sep 30, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 21.6 ug/l
-
- Collected
- Jul 16, 2024 12:54
- Sampling point
- SM4 Panel Shop
- Sample type
- Routine
- Lab sample
- HA-240717-003
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2024 – Sep 30, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 24.1 ug/l
-
- Collected
- Jul 16, 2024 12:23
- Sampling point
- SM2 At Multi-Purpose Whse
- Sample type
- Routine
- Lab sample
- HA-240717-002
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2024 – Sep 30, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 25.5 ug/l
-
- Collected
- Jul 16, 2024 13:12
- Sampling point
- SM1 Control Room Near Well 2
- Sample type
- Routine
- Lab sample
- HA-240717-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2024 – Sep 30, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 18.7 ug/l
-
- Collected
- Apr 16, 2024 11:31
- Sampling point
- SM6 At Fab Shop
- Sample type
- Routine
- Lab sample
- HA-240417-027
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2024 – Jun 30, 2024
-
Total Haloacetic Acids (Haa5) 2456 EPA method 552.2
- Result
- 11.1 ug/l
Routine (10).