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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.

Chemical and radiological sample results

MS0620002 , City of Forest

29 of the 60 analytes this system has been tested for have been detected at least once, across 620 samples on record.

The other 31 were tested for and never found. An analyte is counted here if any result on record measured it, so this covers the whole history and not the samples listed below.

Across all 620 samples on record, detections range from October 29, 2003 to April 2, 2026. These figures cover the whole record.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

What has been detected, ever

Every analyte measured above its reporting level at any point in this system’s record, most often detected first. This is not limited to the samples listed below.

Every analyte ever detected for City of Forest, with how many results found it and when it was first and last detected. Covers the whole record, not only the samples listed below.
Analyte Kind Detected in First detected Last detected
Copper, Free 1022 Inorganic Chemical 161 of 161 results Jun 10, 2004 Jul 29, 2025
Lead 1030 Inorganic Chemical 120 of 161 results Jun 10, 2004 Jul 29, 2025
Barium 1010 Inorganic Chemical 60 of 60 results Oct 29, 2003 Apr 2, 2025
Fluoride 1025 Inorganic Chemical 55 of 59 results Oct 29, 2003 Apr 2, 2025
Chromium 1020 Inorganic Chemical 34 of 60 results Oct 29, 2003 Apr 8, 2019
TTHM 2950 Organic Chemical 33 of 33 results Aug 9, 2004 Apr 2, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 32 of 32 results Aug 9, 2004 Dec 23, 2025
Nickel 1036 Inorganic Chemical 18 of 60 results Oct 29, 2003 Apr 2, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 13, 2012 Oct 5, 2012
Sodium 1052 Inorganic Chemical 12 of 12 results Sep 24, 2019 Nov 8, 2023
Gross Alpha Particle Activity 4109 Radionuclide 11 of 13 results Sep 28, 2009 Jan 28, 2013
Combined Radium (-226 & -228) 4010 Radionuclide 10 of 28 results Sep 28, 2009 Mar 11, 2010
Radium-226 4020 Radionuclide 10 of 28 results Sep 28, 2009 Mar 11, 2010
Gross Beta Particle Activity 4100 Radionuclide 9 of 9 results Sep 28, 2009 Mar 11, 2010
Gross Alpha, Excl. Radon & U 4000 Radionuclide 8 of 10 results Sep 28, 2009 Mar 11, 2010
Radium-228 4030 Radionuclide 8 of 28 results Sep 28, 2009 Mar 11, 2010
Sulfate 1055 Inorganic Chemical 7 of 7 results Oct 29, 2003 Nov 24, 2003
Chloroform 2941 Organic Chemical 6 of 6 results Sep 10, 2007 Apr 2, 2026
Bromodichloromethane 2943 Organic Chemical 6 of 6 results Sep 10, 2007 Apr 2, 2026
Dichloroacetic Acid 2451 Organic Chemical 5 of 5 results Jul 7, 2010 Dec 23, 2025
Trichloroacetic Acid 2452 Organic Chemical 5 of 5 results Jul 7, 2010 Dec 23, 2025
Selenium 1045 Inorganic Chemical 3 of 60 results Mar 22, 2004 Apr 25, 2006
Mercury 1035 Inorganic Chemical 2 of 58 results Dec 13, 2016 Dec 13, 2016
Cadmium 1015 Inorganic Chemical 2 of 60 results Dec 12, 2005 May 14, 2013
Combined Uranium 4006 Radionuclide 1 of 41 results Oct 4, 2021 Oct 4, 2021
Monobromoacetic Acid 2453 Organic Chemical 1 of 5 results Oct 14, 2020 Oct 14, 2020
Arsenic 1005 Inorganic Chemical 1 of 60 results Dec 12, 2005 Dec 12, 2005
Nitrite 1041 Inorganic Chemical 1 of 130 results Sep 26, 2005 Sep 26, 2005
Cyanide 1024 Inorganic Chemical 1 of 58 results Apr 18, 2005 Apr 18, 2005

No date range is applied: this list draws on every sample on record. Show the last two years only.

The most recent samples, result by result

The table below lists 71–80 of 620 samples, newest first — collected July 11, 2023 to November 8, 2023. The summary above covers all 620.

10 results from the 10 samples listed here: 9 detected, 1 not detected. Across the whole record it is 637 of 3,082. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for City of Forest, every result from 71 to 80 of 620 samples shown, newest first. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Nov 8, 2023 14:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NA-231109-008
Laboratory
MSDH Lab
93.7 mg/l , sample collected Nov 8, 2023 14:10, sampling point TF102 Sodium 1052 EPA method 200.7 Not recorded
Collected
Oct 17, 2023 14:05
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
TH-231018-023
Laboratory
MSDH Lab
29.3 ug/l , sample collected Oct 17, 2023 14:05, sampling point SM3 TTHM 2950 EPA method 524.2 Oct 1, 2023 – Dec 31, 2023
Collected
Oct 17, 2023 14:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-231018-022
Laboratory
MSDH Lab
43 ug/l , sample collected Oct 17, 2023 14:00, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2023 – Dec 31, 2023
Collected
Oct 17, 2023 14:40
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
HA-231018-023
Laboratory
MSDH Lab
20.4 ug/l , sample collected Oct 17, 2023 14:40, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2023 – Dec 31, 2023
Collected
Oct 17, 2023 13:45
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-231018-022
Laboratory
MSDH Lab
28.9 ug/l , sample collected Oct 17, 2023 13:45, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2023 – Dec 31, 2023
Collected
Aug 1, 2023 13:24
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
HA-230802-021
Laboratory
MSDH Lab
17.9 ug/l , sample collected Aug 1, 2023 13:24, sampling point SM3 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jul 1, 2023 – Sep 30, 2023
Collected
Aug 1, 2023 13:45
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
HA-230802-020
Laboratory
MSDH Lab
16.9 ug/l , sample collected Aug 1, 2023 13:45, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jul 1, 2023 – Sep 30, 2023
Collected
Aug 1, 2023 13:20
Sampling point
SM3 Location withheld
Sample type
Routine
Lab sample
TH-230802-021
Laboratory
MSDH Lab
26 ug/l , sample collected Aug 1, 2023 13:20, sampling point SM3 TTHM 2950 EPA method 524.2 Jul 1, 2023 – Sep 30, 2023
Collected
Aug 1, 2023 13:49
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
TH-230802-020
Laboratory
MSDH Lab
26.8 ug/l , sample collected Aug 1, 2023 13:49, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2023 – Sep 30, 2023
Collected
Jul 11, 2023 14:00
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
CN-230712-015
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 11, 2023 14:00, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2021 – Dec 31, 2023

Routine (10).