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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

MS0300011 , Chevron Usa

130 samples have been analysed for TTHM at Chevron Usa.

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 TTHM result

The table below lists 1–10 of 130 samples, newest first — collected December 10, 2024 to December 9, 2025.

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

TTHM results for Chevron Usa, from 1 to 10 of 130 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
Dec 9, 2025 13:00
Sampling point
SM2 Shipping Maintenance
Sample type
Routine
Lab sample
TH-251210-002
Laboratory
MSDH Lab
63.4 ug/l , sample collected Dec 9, 2025 13:00, sampling point SM2 TTHM 2950 EPA method 524.2 Not recorded
Collected
Dec 9, 2025 12:30
Sampling point
SM1 Utilities Control
Sample type
Routine
Lab sample
TH-251210-001
Laboratory
MSDH Lab
64.2 ug/l , sample collected Dec 9, 2025 12:30, sampling point SM1 TTHM 2950 EPA method 524.2 Not recorded
Collected
Sep 24, 2025 13:30
Sampling point
SM2 Shipping Maintenance
Sample type
Routine
Lab sample
TH-250925-006
Laboratory
MSDH Lab
91.8 ug/l , sample collected Sep 24, 2025 13:30, sampling point SM2 TTHM 2950 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Sep 24, 2025 13:00
Sampling point
SM1 Utilities Control
Sample type
Routine
Lab sample
TH-250925-005
Laboratory
MSDH Lab
81.2 ug/l , sample collected Sep 24, 2025 13:00, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2025 – Sep 30, 2025
Collected
Jun 25, 2025 14:00
Sampling point
SM2 Shipping Maintenance
Sample type
Routine
Lab sample
TH-250626-006
Laboratory
MSDH Lab
76.6 ug/l , sample collected Jun 25, 2025 14:00, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Jun 25, 2025 13:30
Sampling point
SM1 Utilities Control
Sample type
Routine
Lab sample
TH-250626-005
Laboratory
MSDH Lab
58.3 ug/l , sample collected Jun 25, 2025 13:30, sampling point SM1 TTHM 2950 EPA method 524.2 Apr 1, 2025 – Jun 30, 2025
Collected
Mar 19, 2025 14:00
Sampling point
SM2 Shipping Maintenance
Sample type
Routine
Lab sample
TH-250320-103
Laboratory
MSDH Lab
66.1 ug/l , sample collected Mar 19, 2025 14:00, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025
Collected
Mar 19, 2025 13:30
Sampling point
SM1 Utilities Control
Sample type
Routine
Lab sample
TH-250320-102
Laboratory
MSDH Lab
53.8 ug/l , sample collected Mar 19, 2025 13:30, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Mar 31, 2025
Collected
Dec 10, 2024 13:30
Sampling point
SM2 Shipping Maintenance
Sample type
Routine
Lab sample
TH-241211-002
Laboratory
MSDH Lab
80.5 ug/l , sample collected Dec 10, 2024 13:30, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024
Collected
Dec 10, 2024 13:00
Sampling point
SM1 Utilities Control
Sample type
Routine
Lab sample
TH-241211-001
Laboratory
MSDH Lab
63.3 ug/l , sample collected Dec 10, 2024 13:00, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2024 – Dec 31, 2024

Routine (10).