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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.

TTHM results

MS0450013 , City of Ridgeland

19 samples have been analysed for TTHM at City of Ridgeland.

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 26, 2024 and September 26, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

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Every TTHM result

The table below lists 1–10 of 19 samples, newest first — collected April 15, 2025 to October 7, 2025.

10 TTHM results from the 10 samples listed here: 10 detected, 0 not detected.

We withheld the location of 1 sampling point 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 The location on record identifies a private home, and we do not publish those.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.

TTHM results for City of Ridgeland, from 1 to 10 of 19 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
Oct 7, 2025 08:30
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
TH-251008-006
Laboratory
MSDH Lab
34.4 ug/l , sample collected Oct 7, 2025 08:30, sampling point SM4 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 7, 2025 10:20
Sampling point
SM3 Fox Hollow
Sample type
Routine
Lab sample
TH-251008-005
Laboratory
MSDH Lab
37.8 ug/l , sample collected Oct 7, 2025 10:20, sampling point SM3 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 7, 2025 09:15
Sampling point
SM2 Town Center
Sample type
Routine
Lab sample
TH-251008-004
Laboratory
MSDH Lab
40.7 ug/l , sample collected Oct 7, 2025 09:15, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
Aug 5, 2025 08:30
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
TH-250806-004
Laboratory
MSDH Lab
26.1 ug/l , sample collected Aug 5, 2025 08:30, sampling point SM4 TTHM 2950 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Aug 5, 2025 11:15
Sampling point
SM3 Fox Hollow
Sample type
Routine
Lab sample
TH-250806-003
Laboratory
MSDH Lab
28.2 ug/l , sample collected Aug 5, 2025 11:15, sampling point SM3 TTHM 2950 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Aug 5, 2025 09:50
Sampling point
SM2 Town Center
Sample type
Routine
Lab sample
TH-250806-002
Laboratory
MSDH Lab
37 ug/l , sample collected Aug 5, 2025 09:50, sampling point SM2 TTHM 2950 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Aug 5, 2025 12:10
Sampling point
SM1 Near School St Well
Sample type
Routine
Lab sample
TH-250806-001
Laboratory
MSDH Lab
24.7 ug/l , sample collected Aug 5, 2025 12:10, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Apr 15, 2025 10:15
Sampling point
SM4 Location withheld
Sample type
Routine
Lab sample
TH-250416-009
Laboratory
MSDH Lab
27.4 ug/l , sample collected Apr 15, 2025 10:15, sampling point SM4 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Apr 15, 2025 11:20
Sampling point
SM3 Fox Hollow
Sample type
Routine
Lab sample
TH-250416-008
Laboratory
MSDH Lab
36.2 ug/l , sample collected Apr 15, 2025 11:20, sampling point SM3 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Apr 15, 2025 09:00
Sampling point
SM2 Town Center
Sample type
Routine
Lab sample
TH-250416-007
Laboratory
MSDH Lab
13.3 ug/l , sample collected Apr 15, 2025 09:00, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025

Routine (10).