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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 281–281 of 281 samples, newest first — collected October 6, 2003 to October 6, 2003. The summary above covers all 281.

12 results from the 1 sample listed here: 3 detected, 9 not detected. 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 281 to 281 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
Oct 6, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031007-068IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
0.061 mg/l , sample collected Oct 6, 2003, sampling point TF102 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Chromium 1020 EPA method 200.8 Not recorded
0.204 mg/l , sample collected Oct 6, 2003, sampling point TF102 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Selenium 1045 EPA method 200.8 Not recorded
7.96 mg/l , sample collected Oct 6, 2003, sampling point TF102 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 6, 2003, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Not recorded

Routine (1).