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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

MS0390006 , Sontag-Wanilla

36 of the 73 analytes this system has been tested for have been detected at least once, across 307 samples on record.

The other 37 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 307 samples on record, detections range from October 1, 2003 to June 25, 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 Sontag-Wanilla, 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 62 of 62 results Jul 31, 2007 Sep 12, 2023
Lead 1030 Inorganic Chemical 35 of 62 results Jul 31, 2007 Sep 12, 2023
Fluoride 1025 Inorganic Chemical 32 of 32 results Oct 1, 2003 Feb 24, 2025
Barium 1010 Inorganic Chemical 28 of 28 results Oct 1, 2003 Feb 24, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 20 of 21 results Jul 14, 2004 Aug 21, 2025
TTHM 2950 Organic Chemical 19 of 22 results Jul 14, 2004 Jun 25, 2026
Chloroform 2941 Organic Chemical 14 of 16 results Sep 19, 2006 Jun 25, 2026
Sodium 1052 Inorganic Chemical 13 of 13 results May 17, 2012 Feb 11, 2025
Bromodichloromethane 2943 Organic Chemical 12 of 16 results Sep 19, 2006 Jun 25, 2026
Dichloroacetic Acid 2451 Organic Chemical 12 of 14 results Jun 14, 2011 Aug 21, 2025
Trichloroacetic Acid 2452 Organic Chemical 12 of 14 results Jun 14, 2011 Aug 21, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 15 results Feb 27, 2012 Oct 4, 2012
Sulfate 1055 Inorganic Chemical 8 of 8 results Oct 1, 2003 May 24, 2017
Chromium 1020 Inorganic Chemical 7 of 28 results Mar 28, 2005 Apr 2, 2019
Calcium 1016 Inorganic Chemical 4 of 4 results May 17, 2012 May 24, 2017
Potassium 1042 Inorganic Chemical 4 of 4 results May 17, 2012 May 24, 2017
Residue, Total, Filterable 1057 Water Quality 4 of 4 results May 17, 2012 May 24, 2017
Alkalinity, Caco3 Stability 1067 Water Quality 4 of 4 results May 17, 2012 May 24, 2017
Carbon Dioxide 1901 Water Quality 4 of 4 results May 17, 2012 May 24, 2017
Hardness, Total (As Caco3) 1915 Water Quality 4 of 4 results May 17, 2012 May 24, 2017
Alkalinity, Total 1927 Water Quality 4 of 4 results May 17, 2012 May 24, 2017
Calculated Sodium NACA Water Quality 4 of 4 results May 17, 2012 May 24, 2017
PH, Field Result PHFD Water Quality 4 of 4 results May 17, 2012 May 24, 2017
Nickel 1036 Inorganic Chemical 3 of 28 results Feb 4, 2009 Apr 2, 2019
Iron 1028 Inorganic Chemical 3 of 4 results May 24, 2017 May 24, 2017
Magnesium 1031 Inorganic Chemical 3 of 4 results May 24, 2017 May 24, 2017
Manganese 1032 Inorganic Chemical 3 of 4 results May 24, 2017 May 24, 2017
Color 1905 Water Quality 3 of 3 results May 24, 2017 May 24, 2017
Monobromoacetic Acid 2453 Organic Chemical 2 of 14 results Aug 13, 2019 Sep 15, 2020
Iron, Field Result FEFD Inorganic Chemical 2 of 4 results May 24, 2017 May 24, 2017
Dichloromethane 2964 Organic Chemical 2 of 47 results Aug 12, 2004 Aug 12, 2004
Monochloroacetic Acid 2450 Organic Chemical 1 of 14 results Aug 9, 2017 Aug 9, 2017
Chloride 1017 Inorganic Chemical 1 of 4 results May 17, 2012 May 17, 2012
Xylenes, Total 2955 Organic Chemical 1 of 47 results Sep 8, 2011 Sep 8, 2011
Dibromochloromethane 2944 Organic Chemical 1 of 16 results Jun 14, 2011 Jun 14, 2011
Toluene 2991 Organic Chemical 1 of 47 results Nov 4, 2004 Nov 4, 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 301–307 of 307 samples, newest first — collected October 1, 2003 to March 1, 2004. The summary above covers all 307.

69 results from the 7 samples listed here: 6 detected, 63 not detected. 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 Sontag-Wanilla, every result from 301 to 307 of 307 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 1, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
040302-004CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Mar 1, 2004, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Feb 11, 2004
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
040212-007VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 1,2,4-Trichlorobenzene 2378 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Cis-1,2-Dichloroethylene 2380 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Xylenes, Total 2955 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Dichloromethane 2964 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 O-Dichlorobenzene 2968 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 P-Dichlorobenzene 2969 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Vinyl Chloride 2976 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 1,1-Dichloroethylene 2977 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Trans-1,2-Dichloroethylene 2979 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 1,2-Dichloroethane 2980 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 1,1,1-Trichloroethane 2981 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Carbon Tetrachloride 2982 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 1,2-Dichloropropane 2983 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Trichloroethylene 2984 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 1,1,2-Trichloroethane 2985 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Tetrachloroethylene 2987 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Chlorobenzene 2989 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Benzene 2990 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Toluene 2991 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Ethylbenzene 2992 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF103 Styrene 2996 Jan 1, 2004 – Mar 31, 2004
Collected
Feb 11, 2004
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
040212-006VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 1,2,4-Trichlorobenzene 2378 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Cis-1,2-Dichloroethylene 2380 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Xylenes, Total 2955 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Dichloromethane 2964 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 O-Dichlorobenzene 2968 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 P-Dichlorobenzene 2969 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Vinyl Chloride 2976 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 1,1-Dichloroethylene 2977 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Trans-1,2-Dichloroethylene 2979 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 1,2-Dichloroethane 2980 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 1,1,1-Trichloroethane 2981 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Carbon Tetrachloride 2982 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 1,2-Dichloropropane 2983 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Trichloroethylene 2984 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 1,1,2-Trichloroethane 2985 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Tetrachloroethylene 2987 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Chlorobenzene 2989 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Benzene 2990 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Toluene 2991 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Ethylbenzene 2992 Jan 1, 2004 – Mar 31, 2004
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Feb 11, 2004, sampling point TF102 Styrene 2996 Jan 1, 2004 – Mar 31, 2004
Collected
Oct 1, 2003
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
031002-060IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Arsenic 1005 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Oct 1, 2003, sampling point TF103 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Chromium 1020 EPA method 200.8 Not recorded
0.984 mg/l , sample collected Oct 1, 2003, sampling point TF103 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Selenium 1045 EPA method 200.8 Not recorded
12 mg/l , sample collected Oct 1, 2003, sampling point TF103 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Oct 1, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031002-059IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Arsenic 1005 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Oct 1, 2003, sampling point TF102 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Chromium 1020 EPA method 200.8 Not recorded
0.868 mg/l , sample collected Oct 1, 2003, sampling point TF102 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Selenium 1045 EPA method 200.8 Not recorded
14.8 mg/l , sample collected Oct 1, 2003, sampling point TF102 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Oct 1, 2003
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
031002-006CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004
Collected
Oct 1, 2003
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
031002-004CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Oct 1, 2003, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2002 – Dec 31, 2004

Routine (7).