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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

MS0600007 , City of Marks

38 of the 72 analytes this system has been tested for have been detected at least once, across 258 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 258 samples on record, detections range from October 20, 2003 to July 2, 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 City of Marks, 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 168 of 168 results Aug 7, 2007 Jul 2, 2025
Lead 1030 Inorganic Chemical 94 of 169 results Aug 7, 2007 Jul 2, 2025
Barium 1010 Inorganic Chemical 10 of 10 results Oct 20, 2003 Apr 14, 2025
Fluoride 1025 Inorganic Chemical 10 of 12 results Oct 20, 2003 Apr 14, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 9 of 21 results Jun 7, 2004 Mar 21, 2012
Nitrate 1040 Inorganic Chemical 9 of 21 results Jun 7, 2004 Mar 21, 2012
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 18 results Sep 4, 2007 Aug 23, 2023
TTHM 2950 Organic Chemical 7 of 18 results Sep 4, 2007 Aug 23, 2023
Chromium 1020 Inorganic Chemical 6 of 10 results Apr 11, 2005 Apr 14, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 19, 2012
Sodium 1052 Inorganic Chemical 4 of 4 results May 20, 2010 Dec 13, 2023
Nickel 1036 Inorganic Chemical 3 of 10 results Apr 11, 2005 Apr 14, 2025
Sulfate 1055 Inorganic Chemical 3 of 3 results Oct 20, 2003 May 20, 2010
Dichloroacetic Acid 2451 Organic Chemical 2 of 12 results Sep 6, 2013 Dec 7, 2016
Chloroform 2941 Organic Chemical 2 of 13 results Sep 5, 2013 Dec 7, 2016
Calcium 1016 Inorganic Chemical 2 of 2 results May 20, 2010 May 20, 2010
Chloride 1017 Inorganic Chemical 2 of 2 results May 20, 2010 May 20, 2010
Iron 1028 Inorganic Chemical 2 of 2 results May 20, 2010 May 20, 2010
Magnesium 1031 Inorganic Chemical 2 of 2 results May 20, 2010 May 20, 2010
Residue, Total, Filterable 1057 Water Quality 2 of 2 results May 20, 2010 May 20, 2010
Carbon Dioxide 1901 Water Quality 2 of 2 results May 20, 2010 May 20, 2010
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results May 20, 2010 May 20, 2010
Alkalinity, Total 1927 Water Quality 2 of 2 results May 20, 2010 May 20, 2010
Calculated Sodium NACA Water Quality 2 of 2 results May 20, 2010 May 20, 2010
PH, Field Result PHFD Water Quality 2 of 2 results May 20, 2010 May 20, 2010
Nitrite 1041 Inorganic Chemical 1 of 21 results Oct 13, 2021 Oct 13, 2021
Monochloroacetic Acid 2450 Organic Chemical 1 of 12 results Sep 6, 2013 Sep 6, 2013
Trichloroacetic Acid 2452 Organic Chemical 1 of 12 results Sep 6, 2013 Sep 6, 2013
Monobromoacetic Acid 2453 Organic Chemical 1 of 12 results Sep 6, 2013 Sep 6, 2013
Bromodichloromethane 2943 Organic Chemical 1 of 13 results Sep 5, 2013 Sep 5, 2013
Manganese 1032 Inorganic Chemical 1 of 1 result May 20, 2010 May 20, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result May 20, 2010 May 20, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result May 20, 2010 May 20, 2010
Color 1905 Water Quality 1 of 1 result May 20, 2010 May 20, 2010
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result May 20, 2010 May 20, 2010
Cadmium 1015 Inorganic Chemical 1 of 10 results Apr 11, 2005 Apr 11, 2005
Selenium 1045 Inorganic Chemical 1 of 10 results Apr 11, 2005 Apr 11, 2005
Dichloromethane 2964 Organic Chemical 1 of 7 results Aug 23, 2004 Aug 23, 2004

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 241–250 of 258 samples, newest first — collected August 9, 2004 to July 26, 2006. The summary above covers all 258.

75 results from the 10 samples listed here: 14 detected, 61 not detected. Across the whole record it is 372 of 874. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

Dichloromethane is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for City of Marks, every result from 241 to 250 of 258 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
Jul 26, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060727-065NI
Laboratory
MSDH Lab
0.4 mg/l , sample collected Jul 26, 2006, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
0.4 mg/l , sample collected Jul 26, 2006, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 26, 2006, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Apr 3, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060404-003CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 3, 2006, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Mar 27, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060328-123IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 27, 2006, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.027859 mg/l , sample collected Mar 27, 2006, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Mar 27, 2006, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000727 mg/l , sample collected Mar 27, 2006, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.101626 mg/l , sample collected Mar 27, 2006, sampling point TF080 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Mar 27, 2006, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 27, 2006, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 27, 2006, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 27, 2006, sampling point TF080 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 Mar 27, 2006, sampling point TF080 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 Mar 27, 2006, sampling point TF080 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 Mar 27, 2006, sampling point TF080 Uranium-238 4009 Not recorded
Collected
Sep 26, 2005
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
050927-080NI
Laboratory
MSDH Lab
0.32 mg/l , sample collected Sep 26, 2005, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
0.32 mg/l , sample collected Sep 26, 2005, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Sep 26, 2005, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2005 – Dec 31, 2005
Collected
Apr 11, 2005
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
050412-066CN
Laboratory
MSDH Lab
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2005 – Dec 31, 2007
Collected
Apr 11, 2005
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
050412-045IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.027787 mg/l , sample collected Apr 11, 2005, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000185 mg/l , sample collected Apr 11, 2005, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.001429 mg/l , sample collected Apr 11, 2005, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 11, 2005, sampling point TF080 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 11, 2005, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.000857 mg/l , sample collected Apr 11, 2005, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
0.001195 mg/l , sample collected Apr 11, 2005, sampling point TF080 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 11, 2005, sampling point TF080 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 11, 2005, sampling point TF080 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 11, 2005, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Nov 29, 2004
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
041130-047VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF080 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 Nov 29, 2004, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF080 Benzene 2990 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF080 Toluene 2991 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 29, 2004, sampling point TF080 Styrene 2996 EPA method 524.2 Oct 1, 2004 – Dec 31, 2004
Collected
Nov 1, 2004
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
041102-100IN
Laboratory
MSDH Lab
0.35 mg/l , sample collected Nov 1, 2004, sampling point TF080 Fluoride 1025 EPA method 380-75WE Jan 1, 2002 – Dec 31, 2004
Collected
Aug 23, 2004
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
040824-074VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
1.02 ug/l , sample collected Aug 23, 2004, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Benzene 2990 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Toluene 2991 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 23, 2004, sampling point TF080 Styrene 2996 EPA method 524.2 Jul 1, 2004 – Sep 30, 2004
Collected
Aug 9, 2004
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
040810-032TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 9, 2004, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2004 – Dec 31, 2004

Routine (10).