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
MS0610025 , Se Rankin Water Assn-Johns
45 samples have been analysed for Fluoride at Se Rankin Water Assn-Johns.
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 45 samples, newest first — collected October 17, 2022 to October 6, 2025.
10 Fluoride results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 98 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
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| 0.102 mg/l , sample collected Oct 6, 2025 11:00, sampling point TF105 | Fluoride 1025 EPA method QC 10-109-12-2-A | Oct 1, 2025 – Dec 31, 2025 |
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| 0.119 mg/l , sample collected Jul 7, 2025 10:00, sampling point TF105 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jul 1, 2025 – Sep 30, 2025 |
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| 0.152 mg/l , sample collected Apr 7, 2025 08:30, sampling point TF105 | Fluoride 1025 EPA method QC 10-109-12-2-A | Apr 1, 2025 – Jun 30, 2025 |
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| 0.159 mg/l , sample collected Mar 27, 2025 08:00, sampling point TF105 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2025 – Mar 31, 2025 |
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| 0.309 mg/l , sample collected Mar 24, 2025 09:45, sampling point TF103 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2023 – Dec 31, 2025 |
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| 0.226 mg/l , sample collected Mar 24, 2025 09:15, sampling point TF101 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2023 – Dec 31, 2025 |
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| 0.146 mg/l , sample collected Jan 2, 2024 11:50, sampling point TF104 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2022 – Dec 31, 2024 |
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| 0.278 mg/l , sample collected Oct 17, 2022 08:15, sampling point TF103 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2020 – Dec 31, 2022 |
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| 0.153 mg/l , sample collected Oct 17, 2022 11:00, sampling point TF102 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2020 – Dec 31, 2022 |
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| 0.198 mg/l , sample collected Oct 17, 2022 08:00, sampling point TF101 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2020 – Dec 31, 2022 |
-
- Collected
- Oct 6, 2025 11:00
- Sampling point
- TF105 Treatment Facility TF105
- Sample type
- Routine
- Lab sample
- IN-251007-003
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2025 – Dec 31, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.102 mg/l
-
- Collected
- Jul 7, 2025 10:00
- Sampling point
- TF105 Treatment Facility TF105
- Sample type
- Routine
- Lab sample
- IN-250708-003
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2025 – Sep 30, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.119 mg/l
-
- Collected
- Apr 7, 2025 08:30
- Sampling point
- TF105 Treatment Facility TF105
- Sample type
- Routine
- Lab sample
- IN-250408-006
- Laboratory
- MSDH Lab
- Monitoring period
- Apr 1, 2025 – Jun 30, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.152 mg/l
-
- Collected
- Mar 27, 2025 08:00
- Sampling point
- TF105 Treatment Facility TF105
- Sample type
- Routine
- Lab sample
- IN-250327-035
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Mar 31, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.159 mg/l
-
- Collected
- Mar 24, 2025 09:45
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- IN-250325-046
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.309 mg/l
-
- Collected
- Mar 24, 2025 09:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- IN-250325-045
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.226 mg/l
-
- Collected
- Jan 2, 2024 11:50
- Sampling point
- TF104 TF104
- Sample type
- Routine
- Lab sample
- IN-240103-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.146 mg/l
-
- Collected
- Oct 17, 2022 08:15
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- IN-221018-022
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.278 mg/l
-
- Collected
- Oct 17, 2022 11:00
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- IN-221018-021
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.153 mg/l
-
- Collected
- Oct 17, 2022 08:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- IN-221018-020
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.198 mg/l
Routine (10).