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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 101–110 of 240 samples, newest first — collected June 28, 2011 to December 6, 2011. The summary above covers all 240.

41 results from the 10 samples listed here: 15 detected, 26 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 101 to 110 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
Dec 6, 2011 13:18
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
111207-008
Laboratory
Radiation Safety Engineering
Not detected below 0.31 pci/l Minimum Reporting Level , sample collected Dec 6, 2011 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 Dec 6, 2011 13:18, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.171 pci/l Minimum Reporting Level , sample collected Dec 6, 2011 13:18, sampling point TF102 Radium-226 4020 EPA method 903.1 Oct 1, 2011 – Dec 31, 2011
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Dec 6, 2011 13:18, sampling point TF102 Radium-228 4030 EPA method 904.0 Oct 1, 2011 – Dec 31, 2011
Collected
Sep 1, 2011 12:10
Sampling point
TF102 TF102
Sample type
Routine
Lab sample
110902-006VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 1, 2011 12:10, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2010 – Dec 31, 2015
Collected
Jul 6, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110707-093PB
Laboratory
MSDH Lab
0.2885 mg/l , sample collected Jul 6, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 6, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110701-031PB
Laboratory
MSDH Lab
0.0634 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0029 mg/l , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110701-030PB
Laboratory
MSDH Lab
0.106 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0013 mg/l , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110701-029PB
Laboratory
MSDH Lab
0.175 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.002 mg/l , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110701-028PB
Laboratory
MSDH Lab
0.0341 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0008 mg/l , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110701-027PB
Laboratory
MSDH Lab
0.0597 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0027 mg/l , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110701-026PB
Laboratory
MSDH Lab
0.0471 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0016 mg/l , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 28, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110701-025PB
Laboratory
MSDH Lab
0.1933 mg/l , sample collected Jun 28, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0017 mg/l , sample collected Jun 28, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011

Routine (10).