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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

MS0820033 , Central Yazoo W/A #5

21 of the 62 analytes this system has been tested for have been detected at least once, across 187 samples on record.

The other 41 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 187 samples on record, detections range from November 5, 2003 to June 22, 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 Central Yazoo W/A #5, 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 95 of 95 results Sep 29, 2004 Aug 24, 2023
Lead 1030 Inorganic Chemical 63 of 95 results Sep 29, 2004 Aug 22, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 18 of 20 results Oct 2, 2006 Jun 22, 2026
TTHM 2950 Organic Chemical 18 of 20 results Aug 30, 2004 Jun 9, 2026
Chloroform 2941 Organic Chemical 13 of 14 results Aug 3, 2010 Jun 9, 2026
Dichloroacetic Acid 2451 Organic Chemical 12 of 14 results Sep 24, 2013 Jun 22, 2026
Trichloroacetic Acid 2452 Organic Chemical 12 of 14 results Sep 24, 2013 Jun 22, 2026
Bromodichloromethane 2943 Organic Chemical 11 of 14 results Aug 20, 2024 Jun 9, 2026
Dibromochloromethane 2944 Organic Chemical 11 of 14 results Aug 20, 2024 Jun 9, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Nov 5, 2003 Apr 7, 2025
Chromium 1020 Inorganic Chemical 7 of 10 results Apr 5, 2004 Apr 7, 2025
Fluoride 1025 Inorganic Chemical 7 of 11 results May 2, 2005 Apr 7, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 13, 2011 Jul 17, 2012
Nickel 1036 Inorganic Chemical 4 of 10 results May 10, 2010 Apr 7, 2025
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 18, 2019 Mar 20, 2023
Sulfate 1055 Inorganic Chemical 3 of 3 results Nov 5, 2003 Aug 12, 2021
Calcium 1016 Inorganic Chemical 1 of 1 result Aug 12, 2021 Aug 12, 2021
Chloride 1017 Inorganic Chemical 1 of 1 result Aug 12, 2021 Aug 12, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 1 of 1 result Aug 12, 2021 Aug 12, 2021
Alkalinity, Total 1927 Water Quality 1 of 1 result Aug 12, 2021 Aug 12, 2021
Selenium 1045 Inorganic Chemical 1 of 10 results May 2, 2005 May 2, 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 161–170 of 187 samples, newest first — collected September 30, 2004 to August 1, 2006. The summary above covers all 187.

57 results from the 10 samples listed here: 13 detected, 44 not detected. Across the whole record it is 297 of 724. 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 Central Yazoo W/A #5, every result from 161 to 170 of 187 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
Aug 1, 2006
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
060802-098PB
Laboratory
MSDH Lab
0.0242 mg/l , sample collected Aug 1, 2006, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2006
0.0019 mg/l , sample collected Aug 1, 2006, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2006
Collected
Apr 18, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060419-058IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.015762 mg/l , sample collected Apr 18, 2006, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000801 mg/l , sample collected Apr 18, 2006, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.113011 mg/l , sample collected Apr 18, 2006, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2006, sampling point TF101 Uranium-238 4009 Not recorded
Collected
Apr 17, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060418-021CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 17, 2006, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Oct 10, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
051011-005NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 10, 2005, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 10, 2005, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 10, 2005, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Collected
May 2, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050503-093CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
May 2, 2005
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
050503-058IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.011509 mg/l , sample collected May 2, 2005, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.00051 mg/l , sample collected May 2, 2005, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.130133 mg/l , sample collected May 2, 2005, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.000594 mg/l , sample collected May 2, 2005, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2005, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Dec 14, 2004
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
041215-031VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Benzene 2990 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Toluene 2991 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Dec 14, 2004, sampling point TF101 Styrene 2996 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Collected
Sep 30, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041001-133PB
Laboratory
MSDH Lab
0.0121 mg/l , sample collected Sep 30, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2004 – Dec 31, 2004
0.001 mg/l , sample collected Sep 30, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2004 – Dec 31, 2004
Collected
Sep 30, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041001-135PB
Laboratory
MSDH Lab
0.3543 mg/l , sample collected Sep 30, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 30, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2004 – Dec 31, 2004
Collected
Sep 30, 2004
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
041001-132PB
Laboratory
MSDH Lab
0.0504 mg/l , sample collected Sep 30, 2004, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 30, 2004, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2004 – Dec 31, 2004

Routine (10).