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
MS0540023 , Eureka Water Association
12 samples have been analysed for Fluoride at Eureka 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 12 samples, newest first — collected April 11, 2005 to March 26, 2025.
10 Fluoride results from the 10 samples listed here: 2 detected, 8 not detected. Those samples also carried 95 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
|
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 26, 2025 12:10, 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 Oct 11, 2022 12:30, sampling point TF080 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2020 – Dec 31, 2022 |
|
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| 0.033 mg/l , sample collected Jun 3, 2021 10:45, sampling point WL002 | Fluoride 1025 EPA method 300.0 | Not recorded |
|
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| 0.0212 mg/l , sample collected Jun 3, 2021 10:40, sampling point WL003 | Fluoride 1025 EPA method 300.0 | Not recorded |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 23, 2019 12:35, sampling point TF080 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2017 – Dec 31, 2019 |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 7, 2016 12:40, sampling point TF080 | Fluoride 1025 EPA method 300.0 | Jan 1, 2014 – Dec 31, 2016 |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 29, 2013 01:45, sampling point TF080 | Fluoride 1025 EPA method 300.0 | Jan 1, 2011 – Dec 31, 2013 |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 10, 2010, sampling point TF080 | Fluoride 1025 EPA method 380-75WE | Jan 1, 2008 – Dec 31, 2010 |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 22, 2006, sampling point TF080 | Fluoride 1025 EPA method 380-75WE | Jan 1, 2005 – Dec 31, 2007 |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF080 | Fluoride 1025 EPA method 380-75WE | Jan 1, 2005 – Dec 31, 2007 |
-
- Collected
- Mar 26, 2025 12:10
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- IN-250327-023
- 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
- Oct 11, 2022 12:30
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- IN-221012-006
- 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
- Jun 3, 2021 10:45
- Sampling point
- WL002 Well W002
- Sample type
- Routine
- Lab sample
- 7PC-210617-001
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Fluoride 1025 EPA method 300.0
- Result
- 0.033 mg/l
-
- Collected
- Jun 3, 2021 10:40
- Sampling point
- WL003 Well W003
- Sample type
- Routine
- Lab sample
- 7PC-210617-002
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Fluoride 1025 EPA method 300.0
- Result
- 0.0212 mg/l
-
- Collected
- Oct 23, 2019 12:35
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 191024-008IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Mar 7, 2016 12:40
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 160308-028IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
Fluoride 1025 EPA method 300.0
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Apr 29, 2013 01:45
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 130430-044IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
Fluoride 1025 EPA method 300.0
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Feb 10, 2010
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 100211-001IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2008 – Dec 31, 2010
-
Fluoride 1025 EPA method 380-75WE
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Mar 22, 2006
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 060323-113IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Fluoride 1025 EPA method 380-75WE
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Apr 11, 2005
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 050412-066IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Fluoride 1025 EPA method 380-75WE
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
Routine (10).