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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

MS0800004 , City of Louisville

12 samples have been analysed for Fluoride at City of Louisville.

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 May 4, 2005 to April 8, 2025.

10 Fluoride results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 94 results for other analytes, which are on the full results page.

Fluoride results for City of Louisville, from 1 to 10 of 12 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
Apr 8, 2025 13:45
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-250409-016
Laboratory
MSDH Lab
0.378 mg/l , sample collected Apr 8, 2025 13:45, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Collected
Nov 29, 2022 09:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-221130-023
Laboratory
MSDH Lab
0.566 mg/l , sample collected Nov 29, 2022 09:15, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
Oct 28, 2021 11:23
Sampling point
WL004 Well W004
Sample type
Routine
Lab sample
7PC-211029-002
Laboratory
MSDH Lab
0.051 mg/l , sample collected Oct 28, 2021 11:23, sampling point WL004 Fluoride 1025 EPA method 300.0 Not recorded
Collected
Oct 28, 2021 11:15
Sampling point
WL002 Well W002
Sample type
Routine
Lab sample
7PC-211029-001
Laboratory
MSDH Lab
0.0603 mg/l , sample collected Oct 28, 2021 11:15, sampling point WL002 Fluoride 1025 EPA method 300.0 Not recorded
Collected
May 20, 2019 02:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
190521-034IN
Laboratory
MSDH Lab
1.01 mg/l , sample collected May 20, 2019 02:00, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Collected
Dec 12, 2016 01:18
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
161213-165IN
Laboratory
MSDH Lab
0.76 mg/l , sample collected Dec 12, 2016 01:18, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Collected
May 28, 2013 02:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
130529-078IN
Laboratory
MSDH Lab
1.2 mg/l , sample collected May 28, 2013 02:30, sampling point TF080 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Collected
May 10, 2010
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
100511-027IN
Laboratory
MSDH Lab
0.854 mg/l , sample collected May 10, 2010, sampling point TF080 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Collected
Apr 18, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060419-047IN
Laboratory
MSDH Lab
0.662548 mg/l , sample collected Apr 18, 2006, sampling point TF080 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Collected
May 4, 2005
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
050505-027IN
Laboratory
MSDH Lab
1.243253 mg/l , sample collected May 4, 2005, sampling point TF080 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007

Routine (10).