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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

MS0060016 , City of Rosedale

21 of the 57 analytes this system has been tested for have been detected at least once, across 240 samples on record.

The other 36 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 240 samples on record, detections range from October 19, 1993 to November 6, 2025. 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 Rosedale, 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 123 of 153 results Oct 19, 1993 Aug 30, 2025
Lead 1030 Inorganic Chemical 117 of 153 results Oct 19, 1993 Aug 30, 2025
Barium 1010 Inorganic Chemical 13 of 13 results Jun 25, 2002 May 5, 2025
Fluoride 1025 Inorganic Chemical 13 of 13 results Jun 25, 2002 May 5, 2025
TTHM 2950 Organic Chemical 9 of 11 results Jun 4, 2007 Nov 6, 2025
Chromium 1020 Inorganic Chemical 8 of 13 results Jun 25, 2002 May 5, 2025
Selenium 1045 Inorganic Chemical 8 of 13 results Jan 12, 2004 May 5, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 10 results Jun 4, 2007 Mar 6, 2024
Chloroform 2941 Organic Chemical 7 of 8 results Jun 4, 2007 Nov 6, 2025
Arsenic 1005 Inorganic Chemical 7 of 13 results Mar 10, 2008 May 5, 2025
Bromoform 2942 Organic Chemical 4 of 8 results Jun 4, 2007 Jul 28, 2020
Bromodichloromethane 2943 Organic Chemical 4 of 8 results Jun 4, 2007 Jul 28, 2020
Dibromochloromethane 2944 Organic Chemical 4 of 8 results Jun 4, 2007 Jul 28, 2020
Dichloroacetic Acid 2451 Organic Chemical 4 of 6 results Jun 25, 2008 Jul 26, 2017
Nickel 1036 Inorganic Chemical 2 of 13 results Mar 10, 2008 May 5, 2025
Sodium 1052 Inorganic Chemical 2 of 2 results Jan 20, 2021 Oct 21, 2024
Trichloroacetic Acid 2452 Organic Chemical 2 of 6 results Jul 2, 2014 Jul 28, 2020
Cadmium 1015 Inorganic Chemical 2 of 13 results Feb 14, 2005 Mar 10, 2008
Nitrite 1041 Inorganic Chemical 1 of 21 results Feb 7, 2018 Feb 7, 2018
Monochloroacetic Acid 2450 Organic Chemical 1 of 6 results Jul 26, 2017 Jul 26, 2017
Dibromoacetic Acid 2454 Organic Chemical 1 of 6 results Jul 2, 2014 Jul 2, 2014

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 91–100 of 240 samples, newest first — collected January 17, 2012 to January 29, 2014. The summary above covers all 240.

28 results from the 10 samples listed here: 0 detected, 28 not detected. Across the whole record it is 340 of 846. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Chemical and radiological sample results for City of Rosedale, every result from 91 to 100 of 240 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
Jan 29, 2014 09:27
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
140130-027NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 29, 2014 09:27, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 29, 2014 09:27, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 29, 2014 09:27, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2014 – Dec 31, 2014
Collected
Feb 27, 2013 11:15
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
130228-008NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 27, 2013 11:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 27, 2013 11:15, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 27, 2013 11:15, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2013 – Dec 31, 2013
Collected
Jul 10, 2012 13:18
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
201211140415
Laboratory
Radiation Safety Engineering
Not detected below 0.31 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 13:18, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 13:18, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.171 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 13:18, sampling point TF102 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Jul 10, 2012 13:18, sampling point TF102 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 9, 2012 12:10
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
120710-050
Laboratory
Radiation Safety Engineering
Not detected below 0.31 pci/l Minimum Reporting Level , sample collected Jul 9, 2012 12:10, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Jul 9, 2012 12:10, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.171 pci/l Minimum Reporting Level , sample collected Jul 9, 2012 12:10, sampling point TF102 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Jul 9, 2012 12:10, sampling point TF102 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012
Collected
Jul 9, 2012 12:10
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
120710-050RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 9, 2012 12:10, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
Apr 18, 2012 09:00
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
120419-022
Laboratory
Radiation Safety Engineering
Not detected below 0.31 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 09:00, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 09:00, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.171 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 09:00, sampling point TF102 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Apr 18, 2012 09:00, sampling point TF102 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 18, 2012 09:00
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
120419-022RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2012 09:00, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Feb 8, 2012 11:50
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
120209-029
Laboratory
Radiation Safety Engineering
Not detected below 0.31 pci/l Minimum Reporting Level , sample collected Feb 8, 2012 11:50, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Feb 8, 2012 11:50, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.171 pci/l Minimum Reporting Level , sample collected Feb 8, 2012 11:50, sampling point TF102 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Feb 8, 2012 11:50, sampling point TF102 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Feb 8, 2012 11:50
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
120209-029RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 8, 2012 11:50, sampling point TF102 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Jan 17, 2012 09:45
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
120118-028NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 17, 2012 09:45, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 17, 2012 09:45, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 17, 2012 09:45, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012

Routine (10).