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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.

Fluoride results

MS0090005 , City of Houston

33 samples have been analysed for Fluoride at City of Houston.

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 Fluoride result

The table below lists 1–10 of 33 samples, newest first — collected September 24, 2018 to January 27, 2025.

10 Fluoride results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 100 results for other analytes, which are on the full results page.

Fluoride results for City of Houston, from 1 to 10 of 33 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
Jan 27, 2025 08:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250128-003
Laboratory
MSDH Lab
0.294 mg/l , sample collected Jan 27, 2025 08:00, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Collected
Jan 27, 2025 08:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250128-002
Laboratory
MSDH Lab
0.273 mg/l , sample collected Jan 27, 2025 08:40, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Collected
Jan 27, 2025 08:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250128-001
Laboratory
MSDH Lab
0.294 mg/l , sample collected Jan 27, 2025 08:20, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Collected
May 5, 2022 09:45
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-220506-004
Laboratory
MSDH Lab
0.262 mg/l , sample collected May 5, 2022 09:45, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
May 5, 2022 09:16
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-220506-003
Laboratory
MSDH Lab
0.252 mg/l , sample collected May 5, 2022 09:16, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
May 5, 2022 10:11
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-220506-002
Laboratory
MSDH Lab
0.253 mg/l , sample collected May 5, 2022 10:11, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
Apr 8, 2020 12:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
200409-038IN
Laboratory
MSDH Lab
0.249 mg/l , sample collected Apr 8, 2020 12:30, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
Apr 8, 2020 12:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
200409-037IN
Laboratory
MSDH Lab
0.255 mg/l , sample collected Apr 8, 2020 12:15, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
Apr 8, 2020 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
200409-036IN
Laboratory
MSDH Lab
0.251 mg/l , sample collected Apr 8, 2020 12:00, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
Sep 24, 2018 09:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
180925-038IN
Laboratory
MSDH Lab
0.264 mg/l , sample collected Sep 24, 2018 09:20, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019

Routine (10).