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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

MS0610023 , City of Richland

60 samples have been analysed for Total Haloacetic Acids (Haa5) at City of Richland.

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 60 samples, newest first — collected January 28, 2025 to June 24, 2026.

10 Total Haloacetic Acids (Haa5) results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 25 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 The location on record identifies a private home, and we do not publish those.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.

Total Haloacetic Acids (Haa5) results for City of Richland, from 1 to 10 of 60 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
Jun 24, 2026 11:00
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
810-197555-1
Laboratory
Eurofins Eaton Analytical South Bend in
17.9 ug/l , sample collected Jun 24, 2026 11:00, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2026 – Dec 31, 2026
Collected
Mar 18, 2026 02:07
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
810-184922-2
Laboratory
Eurofins Eaton Analytical South Bend in
19.3 ug/l , sample collected Mar 18, 2026 02:07, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Mar 18, 2026 01:45
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
810-184922-1
Laboratory
Eurofins Eaton Analytical South Bend in
19 ug/l , sample collected Mar 18, 2026 01:45, sampling point SMH Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Oct 8, 2025 11:00
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
HA-251009-006
Laboratory
MSDH Lab
21.5 ug/l , sample collected Oct 8, 2025 11:00, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2025 – Dec 31, 2025
Collected
Oct 8, 2025 10:35
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
HA-251009-005
Laboratory
MSDH Lab
24.2 ug/l , sample collected Oct 8, 2025 10:35, sampling point SMH Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2025 – Dec 31, 2025
Collected
Aug 7, 2025 14:20
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
HA-250808-002
Laboratory
MSDH Lab
30.8 ug/l , sample collected Aug 7, 2025 14:20, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jul 1, 2025 – Sep 30, 2025
Collected
Aug 7, 2025 13:40
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
HA-250808-001
Laboratory
MSDH Lab
27.4 ug/l , sample collected Aug 7, 2025 13:40, sampling point SMH Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jul 1, 2025 – Sep 30, 2025
Collected
Apr 21, 2025 10:30
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
HA-250422-010
Laboratory
MSDH Lab
87.2 ug/l , sample collected Apr 21, 2025 10:30, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2025 – Jun 30, 2025
Collected
Apr 21, 2025 10:00
Sampling point
SMH Location withheld
Sample type
Routine
Lab sample
HA-250422-009
Laboratory
MSDH Lab
75.4 ug/l , sample collected Apr 21, 2025 10:00, sampling point SMH Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2025 – Jun 30, 2025
Collected
Jan 28, 2025 14:22
Sampling point
SMT Location withheld
Sample type
Routine
Lab sample
HA-250129-014
Laboratory
MSDH Lab
50.1 ug/l , sample collected Jan 28, 2025 14:22, sampling point SMT Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Mar 31, 2025

Routine (10).