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
MS0740002 , Improve Water Association
21 samples have been analysed for Fluoride at Improve 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 21 samples, newest first — collected April 2, 2014 to July 30, 2026.
10 Fluoride results from the 10 samples listed here: 5 detected, 5 not detected. Those samples also carried 105 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
|
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| Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jul 30, 2026, sampling point TF082 | Fluoride 1025 EPA method 300.0 | Jan 1, 2026 – Dec 31, 2031 |
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| Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jul 30, 2026, sampling point TF080 | Fluoride 1025 EPA method 300.0 | Jan 1, 2026 – Dec 31, 2031 |
|
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 1, 2025 11:35, sampling point TF080 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2023 – Dec 31, 2025 |
|
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 14, 2024 12:20, sampling point TF082 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2022 – Dec 31, 2024 |
|
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 10:50, sampling point TF080 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2020 – Dec 31, 2022 |
|
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| 0.632 mg/l , sample collected Jan 13, 2021 13:25, sampling point TF082 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2019 – Dec 31, 2021 |
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| 1.11 mg/l , sample collected Sep 10, 2018 12:20, sampling point TF080 | Fluoride 1025 EPA method 300.0 | Jan 1, 2017 – Dec 31, 2019 |
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| 1.17 mg/l , sample collected Sep 10, 2018 12:40, sampling point TF082 | Fluoride 1025 EPA method 300.0 | Jan 1, 2016 – Dec 31, 2018 |
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| 0.527 mg/l , sample collected Dec 14, 2016 12:26, sampling point TF080 | Fluoride 1025 EPA method 300.0 | Jan 1, 2014 – Dec 31, 2016 |
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| 0.716 mg/l , sample collected Apr 2, 2014 02:25, sampling point TF082 | Fluoride 1025 EPA method 300.0 | Jan 1, 2013 – Dec 31, 2015 |
-
- Collected
- Jul 30, 2026
- Sampling point
- TF082 Treatment Facility TF082
- Sample type
- Routine
- Lab sample
- 35054800002
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Jan 1, 2026 – Dec 31, 2031
-
Fluoride 1025 EPA method 300.0
- Result
- Not detected below 0.05 mg/l Minimum Reporting Level
-
- Collected
- Jul 30, 2026
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 35054800001
- Laboratory
- Pace Analytical Services, LLC
- Monitoring period
- Jan 1, 2026 – Dec 31, 2031
-
Fluoride 1025 EPA method 300.0
- Result
- Not detected below 0.05 mg/l Minimum Reporting Level
-
- Collected
- Apr 1, 2025 11:35
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- IN-250402-034
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Feb 14, 2024 12:20
- Sampling point
- TF082 Treatment Facility TF082
- Sample type
- Routine
- Lab sample
- IN-240215-010
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2024
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Dec 5, 2022 10:50
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- IN-221206-024
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Jan 13, 2021 13:25
- Sampling point
- TF082 Treatment Facility TF082
- Sample type
- Routine
- Lab sample
- IN-210114-017
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2019 – Dec 31, 2021
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.632 mg/l
-
- Collected
- Sep 10, 2018 12:20
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 180911-050IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Fluoride 1025 EPA method 300.0
- Result
- 1.11 mg/l
-
- Collected
- Sep 10, 2018 12:40
- Sampling point
- TF082 Treatment Facility TF082
- Sample type
- Routine
- Lab sample
- 180911-049IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2016 – Dec 31, 2018
-
Fluoride 1025 EPA method 300.0
- Result
- 1.17 mg/l
-
- Collected
- Dec 14, 2016 12:26
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 161215-079IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
Fluoride 1025 EPA method 300.0
- Result
- 0.527 mg/l
-
- Collected
- Apr 2, 2014 02:25
- Sampling point
- TF082 Treatment Facility TF082
- Sample type
- Routine
- Lab sample
- 140403-046IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2013 – Dec 31, 2015
-
Fluoride 1025 EPA method 300.0
- Result
- 0.716 mg/l
Routine (10).