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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

MS0370014 , R D Morrow Power Plant

23 of the 53 analytes this system has been tested for have been detected at least once, across 281 samples on record.

The other 30 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 281 samples on record, detections range from October 6, 2003 to February 3, 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 R D Morrow Power Plant, 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 42 of 42 results Sep 21, 2004 Aug 12, 2024
Barium 1010 Inorganic Chemical 39 of 39 results Oct 6, 2003 Dec 22, 2025
Arsenic 1005 Inorganic Chemical 38 of 39 results Oct 6, 2003 Dec 22, 2025
Nickel 1036 Inorganic Chemical 27 of 39 results Oct 6, 2003 Dec 22, 2025
Lead 1030 Inorganic Chemical 24 of 42 results Sep 21, 2004 Aug 12, 2024
Fluoride 1025 Inorganic Chemical 20 of 39 results Oct 6, 2003 Dec 22, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 19 of 88 results Nov 13, 2007 Feb 3, 2026
Nitrate 1040 Inorganic Chemical 19 of 88 results Nov 13, 2007 Feb 3, 2026
Chromium 1020 Inorganic Chemical 12 of 39 results Mar 3, 2004 Dec 22, 2025
Sulfate 1055 Inorganic Chemical 8 of 8 results Oct 6, 2003 Mar 3, 2004
Xylenes, Total 2955 Organic Chemical 7 of 43 results Sep 18, 2014 Sep 14, 2021
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 5 of 7 results Jun 8, 2010 Feb 10, 2025
TTHM 2950 Organic Chemical 4 of 7 results Aug 15, 2007 Feb 10, 2025
Sodium 1052 Inorganic Chemical 4 of 4 results Feb 14, 2022 Feb 14, 2022
Dichloroacetic Acid 2451 Organic Chemical 4 of 4 results Jun 8, 2010 Aug 27, 2018
Trichloroacetic Acid 2452 Organic Chemical 2 of 4 results Aug 1, 2013 Aug 27, 2018
Dibromoacetic Acid 2454 Organic Chemical 2 of 4 results Jun 8, 2010 Jul 6, 2015
Chloroform 2941 Organic Chemical 2 of 4 results Jun 8, 2010 Aug 1, 2013
Dibromochloromethane 2944 Organic Chemical 2 of 4 results Aug 15, 2007 Jun 8, 2010
Bromoform 2942 Organic Chemical 1 of 4 results Jun 8, 2010 Jun 8, 2010
Bromodichloromethane 2943 Organic Chemical 1 of 4 results Jun 8, 2010 Jun 8, 2010
Dichloromethane 2964 Organic Chemical 1 of 43 results Aug 12, 2004 Aug 12, 2004
Cyanide 1024 Inorganic Chemical 1 of 43 results Nov 24, 2003 Nov 24, 2003

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 211–220 of 281 samples, newest first — collected July 10, 2006 to June 18, 2008. The summary above covers all 281.

32 results from the 10 samples listed here: 4 detected, 28 not detected. Across the whole record it is 284 of 1,796. 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 R D Morrow Power Plant, every result from 211 to 220 of 281 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 18, 2008
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
080619-049NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 18, 2008, sampling point TF105 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 18, 2008, sampling point TF105 Nitrate 1040 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 18, 2008, sampling point TF105 Nitrite 1041 EPA method 353.2 Jan 1, 2008 – Dec 31, 2008
Collected
Nov 13, 2007
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
071114-026NI
Laboratory
MSDH Lab
0.13 mg/l , sample collected Nov 13, 2007, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
0.13 mg/l , sample collected Nov 13, 2007, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 13, 2007, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Aug 15, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070816-014TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 15, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 15, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 15, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.03 ug/l , sample collected Aug 15, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.03 ug/l , sample collected Aug 15, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
May 1, 2007
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
070502-036NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF104 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
May 1, 2007
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
070502-038NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF105 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF105 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF105 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
May 1, 2007
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
070502-037NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Dec 19, 2006
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
061219-009NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Dec 19, 2006, sampling point TF105 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Dec 19, 2006, sampling point TF105 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Dec 19, 2006, sampling point TF105 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Jul 10, 2006
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
060711-139NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Jul 10, 2006
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
060711-137NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF104 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Jul 10, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
060711-138NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006

Routine (10).