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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 151–160 of 240 samples, newest first — collected August 30, 2001 to January 12, 2004. The summary above covers all 240.

56 results from the 10 samples listed here: 14 detected, 42 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 151 to 160 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 12, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040113-106IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.014 mg/l , sample collected Jan 12, 2004, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.001 mg/l , sample collected Jan 12, 2004, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.205 mg/l , sample collected Jan 12, 2004, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Jan 12, 2004, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Jan 12, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040113-036CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jan 12, 2004, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Jan 5, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
040106-026VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Xylenes, Total 2955 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Dichloromethane 2964 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 O-Dichlorobenzene 2968 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 P-Dichlorobenzene 2969 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Vinyl Chloride 2976 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 1,1-Dichloroethylene 2977 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 1,2-Dichloroethane 2980 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Carbon Tetrachloride 2982 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 1,2-Dichloropropane 2983 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Trichloroethylene 2984 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Tetrachloroethylene 2987 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Chlorobenzene 2989 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Benzene 2990 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Toluene 2991 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Ethylbenzene 2992 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jan 5, 2004, sampling point TF101 Styrene 2996 Not recorded
Collected
Jun 25, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020626-004IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.001 mg/l , sample collected Jun 25, 2002, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.003 mg/l , sample collected Jun 25, 2002, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
0.111 mg/l , sample collected Jun 25, 2002, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 25, 2002, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2002 – Dec 31, 2004
Collected
Feb 5, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020206-010CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Feb 5, 2002, sampling point TF101 Cyanide 1024 EPA method 335.4 Jan 1, 2002 – Dec 31, 2004
Collected
Jan 29, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020130-082CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Jan 29, 2002, sampling point TF101 Cyanide 1024 EPA method 335.4 Jan 1, 2002 – Dec 31, 2004
Collected
Aug 30, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010831-046PB
Laboratory
MSDH Lab
0.085 mg/l , sample collected Aug 30, 2001, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Aug 30, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 30, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010831-045PB
Laboratory
MSDH Lab
0.078 mg/l , sample collected Aug 30, 2001, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Aug 30, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 30, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010831-044PB
Laboratory
MSDH Lab
0.007 mg/l , sample collected Aug 30, 2001, sampling point DS000 Copper, Free 1022 Not recorded
Not detected below 0.001 mg/l Method Detection Limit , sample collected Aug 30, 2001, sampling point DS000 Lead 1030 Not recorded
Collected
Aug 30, 2001
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
010831-043PB
Laboratory
MSDH Lab
0.003 mg/l , sample collected Aug 30, 2001, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Aug 30, 2001, sampling point DS000 Lead 1030 Not recorded

Routine (10).