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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

MS0650001 , Center Ridge Water Association

25 samples have been analysed for Fluoride at Center Ridge Water Association.

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 25 samples, newest first — collected December 12, 2016 to July 27, 2026.

10 Fluoride results from the 10 samples listed here: 8 detected, 2 not detected. Those samples also carried 121 results for other analytes, which are on the full results page.

Fluoride results for Center Ridge Water Association, from 1 to 10 of 25 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
Jul 27, 2026
Sampling point
TF104
Sample type
Routine
Lab sample
35054000002
Laboratory
Pace Analytical Services, LLC
0.094 mg/l , sample collected Jul 27, 2026, sampling point TF104 Fluoride 1025 EPA method 300.0 Jan 1, 2026 – Dec 31, 2031
Collected
Jul 27, 2026
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
35054000001
Laboratory
Pace Analytical Services, LLC
0.096 mg/l , sample collected Jul 27, 2026, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2026 – Dec 31, 2031
Collected
Mar 24, 2025 11:40
Sampling point
TF104
Sample type
Routine
Lab sample
IN-250325-027
Laboratory
MSDH Lab
0.145 mg/l , sample collected Mar 24, 2025 11:40, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Collected
Mar 24, 2025 11:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-250325-026
Laboratory
MSDH Lab
0.145 mg/l , sample collected Mar 24, 2025 11:30, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Collected
Dec 5, 2022 11:00
Sampling point
TF104
Sample type
Routine
Lab sample
IN-221206-020
Laboratory
MSDH Lab
0.11 mg/l , sample collected Dec 5, 2022 11:00, sampling point TF104 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
Dec 5, 2022 11:15
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
IN-221206-021
Laboratory
MSDH Lab
0.114 mg/l , sample collected Dec 5, 2022 11:15, sampling point TF103 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
May 13, 2019 13:00
Sampling point
TF104
Sample type
Routine
Lab sample
190514-005IN
Laboratory
MSDH Lab
0.128 mg/l , sample collected May 13, 2019 13:00, sampling point TF104 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Collected
May 13, 2019 13:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190514-004IN
Laboratory
MSDH Lab
0.126 mg/l , sample collected May 13, 2019 13:00, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Collected
Dec 12, 2016 12:10
Sampling point
TF104
Sample type
Routine
Lab sample
161213-140IN
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:10, sampling point TF104 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 12, 2016 12:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
161213-139IN
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:00, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016

Routine (10).