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
MS0600007 , City of Marks
12 samples have been analysed for Fluoride at City of Marks.
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 April 14, 2025.
10 Fluoride results from the 10 samples listed here: 8 detected, 2 not detected. Those samples also carried 110 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
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| 0.109 mg/l , sample collected Apr 14, 2025 00:30, sampling point TF080 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2023 – Dec 31, 2025 |
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| 0.168 mg/l , sample collected Oct 19, 2022 16:15, sampling point TF080 | Fluoride 1025 EPA method QC 10-109-12-2-A | Jan 1, 2020 – Dec 31, 2022 |
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| 0.102 mg/l , sample collected May 8, 2019 13:00, sampling point TF080 | Fluoride 1025 EPA method 300.0 | Jan 1, 2017 – Dec 31, 2019 |
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| 0.153 mg/l , sample collected Dec 14, 2016 02:00, sampling point TF080 | Fluoride 1025 EPA method 300.0 | Jan 1, 2014 – Dec 31, 2016 |
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| 0.826 mg/l , sample collected May 22, 2013 09:00, sampling point TF080 | Fluoride 1025 EPA method 300.0 | Jan 1, 2011 – Dec 31, 2013 |
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| 0.1 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected May 20, 2010, sampling point WL004 | Fluoride 1025 EPA method 380-75WE | Not recorded |
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| 0.09 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected May 20, 2010, sampling point WL005 | Fluoride 1025 EPA method 380-75WE | Not recorded |
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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 3, 2010, sampling point TF080 | Fluoride 1025 EPA method 380-75WE | Jan 1, 2008 – Dec 31, 2010 |
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| 0.101626 mg/l , sample collected Mar 27, 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
- Apr 14, 2025 00:30
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- IN-250415-001
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2025
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.109 mg/l
-
- Collected
- Oct 19, 2022 16:15
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- IN-221020-040
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2020 – Dec 31, 2022
-
Fluoride 1025 EPA method QC 10-109-12-2-A
- Result
- 0.168 mg/l
-
- Collected
- May 8, 2019 13:00
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 190510-001IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2019
-
Fluoride 1025 EPA method 300.0
- Result
- 0.102 mg/l
-
- Collected
- Dec 14, 2016 02:00
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 161216-005IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2014 – Dec 31, 2016
-
Fluoride 1025 EPA method 300.0
- Result
- 0.153 mg/l
-
- Collected
- May 22, 2013 09:00
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 130523-037IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2011 – Dec 31, 2013
-
Fluoride 1025 EPA method 300.0
- Result
- 0.826 mg/l
-
- Collected
- May 20, 2010
- Sampling point
- WL004 Well W004
- Sample type
- Routine
- Lab sample
- 100521-002PC
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Fluoride 1025 EPA method 380-75WE
- Result
- 0.1 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType.
-
- Collected
- May 20, 2010
- Sampling point
- WL005 Well W005
- Sample type
- Routine
- Lab sample
- 100521-001PC
- Laboratory
- MSDH Lab
- Monitoring period
- Not recorded
-
Fluoride 1025 EPA method 380-75WE
- Result
- 0.09 mg/l The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType.
-
- Collected
- Feb 3, 2010
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 100204-070IN
- 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 27, 2006
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 060328-123IN
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2005 – Dec 31, 2007
-
Fluoride 1025 EPA method 380-75WE
- Result
- 0.101626 mg/l
-
- Collected
- Apr 11, 2005
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- 050412-045IN
- 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).