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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

MS0060048 , Port of Rosedale

23 of the 52 analytes this system has been tested for have been detected at least once, across 156 samples on record.

The other 29 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 156 samples on record, detections range from August 24, 1993 to September 30, 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 Port 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 62 of 75 results Aug 24, 1993 Sep 30, 2025
Lead 1030 Inorganic Chemical 28 of 75 results Aug 24, 1993 Jun 15, 2022
Barium 1010 Inorganic Chemical 11 of 11 results Jul 2, 2002 Jan 15, 2025
Fluoride 1025 Inorganic Chemical 8 of 11 results Jul 2, 2002 Sep 19, 2018
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 6 of 8 results Jun 28, 2007 Feb 26, 2025
TTHM 2950 Organic Chemical 6 of 8 results May 3, 2004 Feb 26, 2025
Chromium 1020 Inorganic Chemical 4 of 11 results Feb 14, 2005 Jan 15, 2025
Nickel 1036 Inorganic Chemical 4 of 11 results Mar 12, 2008 May 4, 2022
Nitrite 1041 Inorganic Chemical 4 of 22 results Dec 2, 2013 Jan 30, 2019
Chloroform 2941 Organic Chemical 4 of 5 results Jun 28, 2007 Aug 20, 2014
Dichloroacetic Acid 2451 Organic Chemical 3 of 4 results Jul 13, 2011 Sep 6, 2017
Selenium 1045 Inorganic Chemical 3 of 11 results Jan 12, 2004 Mar 12, 2008
Bromodichloromethane 2943 Organic Chemical 2 of 5 results Jun 28, 2007 Jul 13, 2011
Dibromochloromethane 2944 Organic Chemical 2 of 5 results Jun 28, 2007 Jul 13, 2011
Sodium 1052 Inorganic Chemical 1 of 1 result Jan 27, 2021 Jan 27, 2021
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 22 results Dec 2, 2013 Dec 2, 2013
Nitrate 1040 Inorganic Chemical 1 of 22 results Dec 2, 2013 Dec 2, 2013
Xylenes, Total 2955 Organic Chemical 1 of 20 results Sep 29, 2011 Sep 29, 2011
Trichloroacetic Acid 2452 Organic Chemical 1 of 4 results Jul 13, 2011 Jul 13, 2011
Dibromoacetic Acid 2454 Organic Chemical 1 of 4 results Jul 13, 2011 Jul 13, 2011
Arsenic 1005 Inorganic Chemical 1 of 11 results Mar 12, 2008 Mar 12, 2008
Bromoform 2942 Organic Chemical 1 of 5 results Jun 28, 2007 Jun 28, 2007
Cadmium 1015 Inorganic Chemical 1 of 11 results Feb 14, 2005 Feb 14, 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 81–90 of 156 samples, newest first — collected July 8, 2008 to June 27, 2011. The summary above covers all 156.

30 results from the 10 samples listed here: 10 detected, 20 not detected. Across the whole record it is 156 of 828. 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 Port of Rosedale, every result from 81 to 90 of 156 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
Jun 27, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110628-009PB
Laboratory
MSDH Lab
0.0343 mg/l , sample collected Jun 27, 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 Jun 27, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jan 18, 2011
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110119-110NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 18, 2011, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 18, 2011, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 18, 2011, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Jun 7, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100608-018NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Jun 7, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
100608-009HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Jun 7, 2010, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2008 – Dec 31, 2010
Collected
Jun 7, 2010
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
100608-009TH
Laboratory
MSDH Lab
2.03 ug/l , sample collected Jun 7, 2010, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 7, 2010, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
2.03 ug/l , sample collected Jun 7, 2010, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2008 – Dec 31, 2010
Collected
Mar 23, 2009
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
090324-012NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Mar 23, 2009, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Mar 23, 2009, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Mar 23, 2009, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2009 – Dec 31, 2009
Collected
Jul 8, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-067PB
Laboratory
MSDH Lab
0.0053 mg/l , sample collected Jul 8, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 8, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-066PB
Laboratory
MSDH Lab
0.0098 mg/l , sample collected Jul 8, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0007 mg/l , sample collected Jul 8, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 8, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-065PB
Laboratory
MSDH Lab
0.0105 mg/l , sample collected Jul 8, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
0.0012 mg/l , sample collected Jul 8, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 8, 2008
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
080709-064PB
Laboratory
MSDH Lab
0.0094 mg/l , sample collected Jul 8, 2008, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 8, 2008, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008

Routine (10).