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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

MS0610036 , PRVWSD-Pelahatchie Bay

40 of the 75 analytes this system has been tested for have been detected at least once, across 651 samples on record.

The other 35 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 651 samples on record, detections range from October 20, 2003 to September 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 PRVWSD-Pelahatchie Bay, 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 258 of 258 results Jun 8, 2004 Sep 3, 2026
Lead 1030 Inorganic Chemical 183 of 258 results Jun 8, 2004 Sep 3, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 74 of 75 results Sep 10, 2007 May 19, 2026
TTHM 2950 Organic Chemical 72 of 74 results Aug 25, 2004 May 19, 2026
Dichloroacetic Acid 2451 Organic Chemical 63 of 63 results Jun 29, 2010 May 19, 2026
Chloroform 2941 Organic Chemical 61 of 63 results Sep 10, 2007 May 19, 2026
Trichloroacetic Acid 2452 Organic Chemical 59 of 63 results Jun 29, 2010 May 19, 2026
Bromodichloromethane 2943 Organic Chemical 56 of 63 results Sep 10, 2007 May 19, 2026
Dibromochloromethane 2944 Organic Chemical 48 of 63 results Sep 10, 2007 May 19, 2026
Fluoride 1025 Inorganic Chemical 31 of 35 results Oct 20, 2003 Jun 15, 2026
Barium 1010 Inorganic Chemical 31 of 32 results Oct 20, 2003 Mar 24, 2025
Monochloroacetic Acid 2450 Organic Chemical 20 of 63 results Jun 9, 2014 Mar 5, 2020
Gross Alpha, Incl. Radon & U 4002 Radionuclide 20 of 20 results Mar 13, 2012 Oct 11, 2012
Chromium 1020 Inorganic Chemical 16 of 32 results Oct 20, 2003 May 6, 2019
Sodium 1052 Inorganic Chemical 13 of 13 results Jan 21, 2009 Aug 12, 2026
Combined Radium (-226 & -228) 4010 Radionuclide 12 of 28 results Sep 21, 2009 Oct 11, 2012
Radium-226 4020 Radionuclide 11 of 28 results Sep 21, 2009 Oct 11, 2012
Nickel 1036 Inorganic Chemical 8 of 31 results Mar 27, 2006 Oct 17, 2022
Gross Alpha, Excl. Radon & U 4000 Radionuclide 6 of 8 results Sep 21, 2009 Mar 11, 2010
Gross Beta Particle Activity 4100 Radionuclide 6 of 6 results Sep 21, 2009 Mar 11, 2010
Gross Alpha Particle Activity 4109 Radionuclide 6 of 8 results Sep 21, 2009 Mar 11, 2010
Sulfate 1055 Inorganic Chemical 6 of 6 results Oct 20, 2003 Jan 21, 2009
Radium-228 4030 Radionuclide 5 of 28 results Sep 21, 2009 Mar 11, 2010
Monobromoacetic Acid 2453 Organic Chemical 4 of 63 results Sep 5, 2013 Mar 5, 2020
Selenium 1045 Inorganic Chemical 4 of 32 results Mar 24, 2004 Apr 14, 2008
Dibromoacetic Acid 2454 Organic Chemical 3 of 63 results Jun 8, 2015 Dec 15, 2016
Calcium 1016 Inorganic Chemical 3 of 3 results Jan 21, 2009 Jan 21, 2009
Manganese 1032 Inorganic Chemical 3 of 3 results Jan 21, 2009 Jan 21, 2009
Potassium 1042 Inorganic Chemical 3 of 3 results Jan 21, 2009 Jan 21, 2009
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Jan 21, 2009 Jan 21, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jan 21, 2009 Jan 21, 2009
Carbon Dioxide 1901 Water Quality 3 of 3 results Jan 21, 2009 Jan 21, 2009
Color 1905 Water Quality 3 of 3 results Jan 21, 2009 Jan 21, 2009
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jan 21, 2009 Jan 21, 2009
Alkalinity, Total 1927 Water Quality 3 of 3 results Jan 21, 2009 Jan 21, 2009
Iron, Field Result FEFD Inorganic Chemical 3 of 3 results Jan 21, 2009 Jan 21, 2009
Calculated Sodium NACA Water Quality 3 of 3 results Jan 21, 2009 Jan 21, 2009
PH, Field Result PHFD Water Quality 3 of 3 results Jan 21, 2009 Jan 21, 2009
Iron 1028 Inorganic Chemical 2 of 3 results Jan 21, 2009 Jan 21, 2009
Magnesium 1031 Inorganic Chemical 1 of 3 results Jan 21, 2009 Jan 21, 2009

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 471–480 of 651 samples, newest first — collected June 28, 2011 to March 21, 2012. The summary above covers all 651.

44 results from the 10 samples listed here: 6 detected, 38 not detected. Across the whole record it is 1,115 of 2,808. 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 PRVWSD-Pelahatchie Bay, every result from 471 to 480 of 651 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
Mar 21, 2012 12:15
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
120322-054NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 21, 2012 12:15, sampling point TF105 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 21, 2012 12:15, sampling point TF105 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 21, 2012 12:15, sampling point TF105 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Collected
Mar 13, 2012 13:18
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
120314-006
Laboratory
Radiation Safety Engineering
0.7 pci/l , sample collected Mar 13, 2012 13:18, sampling point TF104 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
0.4 pci/l , sample collected Mar 13, 2012 13:18, sampling point TF104 Combined Radium (-226 & -228) 4010 Not recorded
0.4 pci/l , sample collected Mar 13, 2012 13:18, sampling point TF104 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.24 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 13:18, sampling point TF104 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 13, 2012 12:00
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
120314-007
Laboratory
Radiation Safety Engineering
0.4 pci/l , sample collected Mar 13, 2012 12:00, sampling point TF107 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:00, sampling point TF107 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.377 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:00, sampling point TF107 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.44 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:00, sampling point TF107 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 13, 2012 12:18
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
120314-009
Laboratory
Radiation Safety Engineering
0.9 pci/l , sample collected Mar 13, 2012 12:18, sampling point TF106 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.42 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:18, sampling point TF106 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.333 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:18, sampling point TF106 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.42 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:18, sampling point TF106 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 13, 2012 12:01
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
120314-008
Laboratory
Radiation Safety Engineering
0.5 pci/l , sample collected Mar 13, 2012 12:01, sampling point TF105 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.535 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:01, sampling point TF105 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.535 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:01, sampling point TF105 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Mar 13, 2012 12:01, sampling point TF105 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 13, 2012 12:21
Sampling point
TF106 Treatment Plant T106
Sample type
Routine
Lab sample
120314-009RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2012 12:21, sampling point TF106 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 13, 2012 12:06
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
120314-008RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2012 12:06, sampling point TF105 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 13, 2012 13:00
Sampling point
TF107 Treatment Plant T107
Sample type
Routine
Lab sample
120314-007RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2012 13:00, sampling point TF107 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Mar 13, 2012 13:21
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
120314-006RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2012 13:21, sampling point TF104 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Jun 28, 2011 12:20
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
110629-013VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 28, 2011 12:20, sampling point TF104 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011

Routine (10).