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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

MS0240066 , Pass Christian Isles

40 of the 74 analytes this system has been tested for have been detected at least once, across 401 samples on record.

The other 34 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 401 samples on record, detections range from November 2, 1993 to February 11, 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 Pass Christian Isles, 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
Lead 1030 Inorganic Chemical 137 of 185 results Nov 2, 1993 Oct 17, 2024
Copper, Free 1022 Inorganic Chemical 135 of 185 results Nov 2, 1993 Oct 17, 2024
Barium 1010 Inorganic Chemical 24 of 24 results Sep 15, 2003 Feb 11, 2025
Fluoride 1025 Inorganic Chemical 24 of 25 results Sep 15, 2003 Feb 11, 2025
Chromium 1020 Inorganic Chemical 14 of 24 results Sep 15, 2003 Apr 27, 2022
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 15 results Mar 5, 2012 Oct 4, 2012
Xylenes, Total 2955 Organic Chemical 9 of 72 results Jan 21, 2004 Jul 16, 2013
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 8 results Jul 21, 2004 Feb 11, 2025
TTHM 2950 Organic Chemical 8 of 8 results May 24, 2004 Feb 11, 2025
Sulfate 1055 Inorganic Chemical 6 of 7 results Sep 15, 2003 Dec 3, 2008
Chloroform 2941 Organic Chemical 5 of 5 results Aug 2, 2007 Jul 31, 2018
Bromodichloromethane 2943 Organic Chemical 4 of 5 results Aug 2, 2007 Jul 31, 2018
Selenium 1045 Inorganic Chemical 4 of 24 results Mar 7, 2005 Apr 9, 2008
Sodium 1052 Inorganic Chemical 3 of 3 results Dec 3, 2008 Feb 23, 2021
Dichloroacetic Acid 2451 Organic Chemical 3 of 4 results Sep 18, 2008 Sep 17, 2014
Dibromochloromethane 2944 Organic Chemical 3 of 5 results Aug 2, 2007 Sep 17, 2014
Ethylbenzene 2992 Organic Chemical 3 of 72 results Jan 21, 2004 May 8, 2012
Trichloroacetic Acid 2452 Organic Chemical 2 of 4 results Jul 17, 2012 Sep 17, 2014
Nickel 1036 Inorganic Chemical 2 of 24 results Jan 30, 2006 Jan 14, 2009
Monochloroacetic Acid 2450 Organic Chemical 1 of 4 results Jul 31, 2018 Jul 31, 2018
Dibromoacetic Acid 2454 Organic Chemical 1 of 4 results Jul 17, 2012 Jul 17, 2012
Calcium 1016 Inorganic Chemical 1 of 1 result Dec 3, 2008 Dec 3, 2008
Chloride 1017 Inorganic Chemical 1 of 1 result Dec 3, 2008 Dec 3, 2008
Manganese 1032 Inorganic Chemical 1 of 1 result Dec 3, 2008 Dec 3, 2008
Potassium 1042 Inorganic Chemical 1 of 1 result Dec 3, 2008 Dec 3, 2008
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Carbon Dioxide 1901 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Color 1905 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
PH 1925 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Alkalinity, Total 1927 Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Calculated Sodium NACA Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
PH, Field Result PHFD Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Temperature, Field Result TEMP Water Quality 1 of 1 result Dec 3, 2008 Dec 3, 2008
Carbon Tetrachloride 2982 Organic Chemical 1 of 72 results Oct 15, 2008 Oct 15, 2008
Nitrate 1040 Inorganic Chemical 1 of 52 results Aug 17, 2006 Aug 17, 2006
Mercury 1035 Inorganic Chemical 1 of 24 results Jan 30, 2006 Jan 30, 2006
Arsenic 1005 Inorganic Chemical 1 of 24 results Mar 7, 2005 Mar 7, 2005
Cadmium 1015 Inorganic Chemical 1 of 24 results Sep 15, 2003 Sep 15, 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 101–110 of 401 samples, newest first — collected July 31, 2012 to October 3, 2012. The summary above covers all 401.

64 results from the 10 samples listed here: 12 detected, 52 not detected. Across the whole record it is 425 of 2,481. 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 Pass Christian Isles, every result from 101 to 110 of 401 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 3, 2012 14:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
121004-101
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Oct 3, 2012 14:30, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.29 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 14:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.184 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 14:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.29 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 14:30, sampling point TF101 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Oct 3, 2012 13:25
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
121004-103
Laboratory
Radiation Safety Engineering
Not detected below 0.31 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 13:25, sampling point TF103 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.225 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 13:25, sampling point TF103 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.225 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 13:25, sampling point TF103 Radium-226 4020 EPA method 903.1 Oct 1, 2012 – Dec 31, 2012
Not detected below 0.22 pci/l Minimum Reporting Level , sample collected Oct 3, 2012 13:25, sampling point TF103 Radium-228 4030 EPA method 904.0 Oct 1, 2012 – Dec 31, 2012
Collected
Sep 27, 2012 12:00
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
120928-009VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 27, 2012 12:00, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2012 – Dec 31, 2012
Collected
Sep 5, 2012 01:52
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120906-006VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Benzene 2990 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Toluene 2991 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 5, 2012 01:52, sampling point TF101 Styrene 2996 EPA method 524.2 Jul 1, 2012 – Sep 30, 2012
Collected
Aug 1, 2012 05:46
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120806-011PB
Laboratory
MSDH Lab
0.2449 mg/l , sample collected Aug 1, 2012 05:46, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.0014 mg/l , sample collected Aug 1, 2012 05:46, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Aug 1, 2012 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120806-010PB
Laboratory
MSDH Lab
0.0757 mg/l , sample collected Aug 1, 2012 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.0008 mg/l , sample collected Aug 1, 2012 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Aug 1, 2012 07:22
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120806-009PB
Laboratory
MSDH Lab
0.0574 mg/l , sample collected Aug 1, 2012 07:22, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.0053 mg/l , sample collected Aug 1, 2012 07:22, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Aug 1, 2012 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120806-008PB
Laboratory
MSDH Lab
0.2503 mg/l , sample collected Aug 1, 2012 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.0006 mg/l , sample collected Aug 1, 2012 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Aug 1, 2012 05:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
120806-007PB
Laboratory
MSDH Lab
0.2281 mg/l , sample collected Aug 1, 2012 05:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.0007 mg/l , sample collected Aug 1, 2012 05:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jul 31, 2012 12:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
120801-043
Laboratory
Radiation Safety Engineering
0.8 pci/l , sample collected Jul 31, 2012 12:00, sampling point TF102 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.28 pci/l Minimum Reporting Level , sample collected Jul 31, 2012 12:00, sampling point TF102 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.205 pci/l Minimum Reporting Level , sample collected Jul 31, 2012 12:00, sampling point TF102 Radium-226 4020 EPA method 903.1 Jul 1, 2012 – Sep 30, 2012
Not detected below 0.28 pci/l Minimum Reporting Level , sample collected Jul 31, 2012 12:00, sampling point TF102 Radium-228 4030 EPA method 904.0 Jul 1, 2012 – Sep 30, 2012

Routine (10).