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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

MS0140002 , Clarksdale Public Utilities

30 of the 59 analytes this system has been tested for have been detected at least once, across 1,252 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 1,252 samples on record, detections range from July 6, 1992 to July 9, 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 Clarksdale Public Utilities, 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 440 of 479 results Jul 6, 1992 Sep 11, 2024
Lead 1030 Inorganic Chemical 367 of 479 results Jul 6, 1992 Sep 11, 2024
TTHM 2950 Organic Chemical 144 of 144 results Mar 18, 2004 Jul 9, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 134 of 141 results Sep 6, 2005 Jul 9, 2025
Barium 1010 Inorganic Chemical 98 of 99 results Apr 9, 2002 Feb 10, 2025
Fluoride 1025 Inorganic Chemical 96 of 99 results Apr 9, 2002 Feb 10, 2025
Chromium 1020 Inorganic Chemical 77 of 99 results Apr 9, 2002 Feb 10, 2025
Chloroform 2941 Organic Chemical 72 of 72 results Jul 25, 2006 Dec 15, 2020
Bromodichloromethane 2943 Organic Chemical 66 of 72 results Jul 25, 2006 Dec 15, 2020
Selenium 1045 Inorganic Chemical 62 of 99 results Apr 9, 2002 Feb 10, 2025
Dibromochloromethane 2944 Organic Chemical 62 of 72 results Jul 25, 2006 Dec 15, 2020
Trichloroacetic Acid 2452 Organic Chemical 60 of 67 results Aug 10, 2010 Dec 15, 2020
Dibromoacetic Acid 2454 Organic Chemical 60 of 67 results Jun 23, 2008 Dec 15, 2020
Dichloroacetic Acid 2451 Organic Chemical 56 of 67 results Jun 23, 2008 Jul 27, 2020
Bromoform 2942 Organic Chemical 54 of 72 results Nov 14, 2006 Dec 15, 2020
Arsenic 1005 Inorganic Chemical 49 of 99 results Apr 9, 2002 Feb 10, 2025
Nickel 1036 Inorganic Chemical 42 of 99 results Apr 9, 2002 Feb 10, 2025
Sodium 1052 Inorganic Chemical 15 of 15 results Oct 2, 2019 Feb 1, 2021
Cyanide 1024 Inorganic Chemical 12 of 84 results Sep 8, 2003 Jun 4, 2025
Radium-226 4020 Radionuclide 10 of 28 results Mar 26, 2018 May 29, 2019
Sulfate 1055 Inorganic Chemical 9 of 26 results Sep 8, 2003 Sep 8, 2003
Thallium, Total 1085 Inorganic Chemical 8 of 99 results Mar 9, 2005 Apr 7, 2020
Nitrite 1041 Inorganic Chemical 7 of 175 results May 19, 2008 Jan 10, 2022
Monobromoacetic Acid 2453 Organic Chemical 6 of 67 results Jun 4, 2014 Dec 17, 2019
Combined Radium (-226 & -228) 4010 Radionuclide 6 of 28 results Mar 26, 2018 May 29, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results May 29, 2019 May 29, 2019
Radium-228 4030 Radionuclide 4 of 28 results May 29, 2019 May 29, 2019
Cadmium 1015 Inorganic Chemical 4 of 99 results Mar 9, 2005 Jan 23, 2006
Monochloroacetic Acid 2450 Organic Chemical 3 of 67 results Nov 29, 2016 Dec 17, 2019
Nitrate 1040 Inorganic Chemical 1 of 175 results Jun 12, 2006 Jun 12, 2006

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 1,011–1,020 of 1,252 samples, newest first — collected October 10, 2000 to April 9, 2002. The summary above covers all 1,252.

50 results from the 10 samples listed here: 22 detected, 28 not detected. Across the whole record it is 2,029 of 5,159. 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 Clarksdale Public Utilities, every result from 1,011 to 1,020 of 1,252 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
Apr 9, 2002
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
020410-005IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF106 Arsenic 1005 EPA method 200.8 Not recorded
0.042 mg/l , sample collected Apr 9, 2002, sampling point TF106 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF106 Cadmium 1015 EPA method 200.8 Not recorded
0.009 mg/l , sample collected Apr 9, 2002, sampling point TF106 Chromium 1020 EPA method 200.8 Not recorded
0.224 mg/l , sample collected Apr 9, 2002, sampling point TF106 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF106 Mercury 1035 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Apr 9, 2002, sampling point TF106 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF106 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF106 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF106 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF106 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF106 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Apr 9, 2002
Sampling point
TF108 Treatment Plant T108
Sample type
Routine
Lab sample
020410-004IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Arsenic 1005 EPA method 200.8 Not recorded
0.02 mg/l , sample collected Apr 9, 2002, sampling point TF108 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Cadmium 1015 EPA method 200.8 Not recorded
0.009 mg/l , sample collected Apr 9, 2002, sampling point TF108 Chromium 1020 EPA method 200.8 Not recorded
0.213 mg/l , sample collected Apr 9, 2002, sampling point TF108 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF108 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Apr 9, 2002
Sampling point
TF111 Treatment Plant T111
Sample type
Routine
Lab sample
020410-003IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Arsenic 1005 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Chromium 1020 EPA method 200.8 Not recorded
0.473 mg/l , sample collected Apr 9, 2002, sampling point TF111 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 9, 2002, sampling point TF111 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Oct 10, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001011-063L
Laboratory
MSDH Lab
0.215 mg/l , sample collected Oct 10, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Oct 10, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Oct 10, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001011-062L
Laboratory
MSDH Lab
0.887 mg/l , sample collected Oct 10, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Oct 10, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Oct 10, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001011-061L
Laboratory
MSDH Lab
1.283 mg/l , sample collected Oct 10, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.004 mg/l , sample collected Oct 10, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Oct 10, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001011-060L
Laboratory
MSDH Lab
0.091 mg/l , sample collected Oct 10, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.005 mg/l , sample collected Oct 10, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Oct 10, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001011-059L
Laboratory
MSDH Lab
0.103 mg/l , sample collected Oct 10, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Oct 10, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Oct 10, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001011-058L
Laboratory
MSDH Lab
0.013 mg/l , sample collected Oct 10, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.005 mg/l , sample collected Oct 10, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Oct 10, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
001011-057L
Laboratory
MSDH Lab
0.042 mg/l , sample collected Oct 10, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.001 mg/l , sample collected Oct 10, 2000, sampling point DS000 Lead 1030 Not recorded

Routine (10).