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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

MS0660002 , McHenry Utility Assn, Inc

15 samples have been analysed for Fluoride at McHenry Utility Assn, Inc.

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 15 samples, newest first — collected April 20, 2005 to March 25, 2025.

10 Fluoride results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 102 results for other analytes, which are on the full results page.

Fluoride results for McHenry Utility Assn, Inc, from 1 to 10 of 15 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
Mar 25, 2025 10:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250326-019
Laboratory
MSDH Lab
0.129 mg/l , sample collected Mar 25, 2025 10:00, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2023 – Dec 31, 2025
Collected
Dec 8, 2022 07:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-221209-007
Laboratory
MSDH Lab
0.582 mg/l , sample collected Dec 8, 2022 07:30, sampling point TF102 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Collected
May 15, 2019 12:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190516-021IN
Laboratory
MSDH Lab
0.547 mg/l , sample collected May 15, 2019 12:30, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Collected
Dec 19, 2016 12:05
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
161220-022IN
Laboratory
MSDH Lab
0.569 mg/l , sample collected Dec 19, 2016 12:05, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Collected
May 22, 2013 12:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130523-027IN
Laboratory
MSDH Lab
0.619 mg/l , sample collected May 22, 2013 12:15, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Collected
Feb 10, 2010
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
100211-058IN
Laboratory
MSDH Lab
0.613 mg/l , sample collected Feb 10, 2010, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Collected
Feb 10, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100211-017IN
Laboratory
MSDH Lab
0.614 mg/l , sample collected Feb 10, 2010, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2008 – Dec 31, 2010
Collected
Apr 10, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060411-038IN
Laboratory
MSDH Lab
0.688766 mg/l , sample collected Apr 10, 2006, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Collected
Apr 10, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
060411-039IN
Laboratory
MSDH Lab
0.686788 mg/l , sample collected Apr 10, 2006, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Collected
Apr 20, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050421-003IN
Laboratory
MSDH Lab
0.744087 mg/l , sample collected Apr 20, 2005, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007

Routine (10).