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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 21–30 of 307 samples, newest first — collected September 12, 2023 to June 20, 2024. The summary above covers all 307.

48 results from the 10 samples listed here: 21 detected, 27 not detected. Across the whole record it is 346 of 1,982. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

We withheld the location of 2 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Sontag-Wanilla, every result from 21 to 30 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
Jun 20, 2024 14:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-109185-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 20, 2024 14:00, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
11 ug/l , sample collected Jun 20, 2024 14:00, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
16 ug/l , sample collected Jun 20, 2024 14:00, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 20, 2024 14:00, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 20, 2024 14:00, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
27 ug/l , sample collected Jun 20, 2024 14:00, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Apr 1, 2024 – Jun 30, 2024
24 ug/l , sample collected Jun 20, 2024 14:00, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2024 14:00, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
2.8 ug/l , sample collected Jun 20, 2024 14:00, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2024 14:00, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
26.8 ug/l , sample collected Jun 20, 2024 14:00, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2024 – Jun 30, 2024
Collected
May 14, 2024 13:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-240515-003
Laboratory
MSDH Lab
7.19 ug/l , sample collected May 14, 2024 13:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
May 14, 2024 13:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-240515-003
Laboratory
MSDH Lab
5.95 ug/l , sample collected May 14, 2024 13:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Mar 26, 2024 14:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
NI-240327-061
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:30, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:30, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:30, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 26, 2024 14:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-240327-060
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:15, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:15, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:15, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 26, 2024 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240327-059
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 26, 2024 14:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 28, 2024 13:45
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-95605-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:45, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
1.8 ug/l , sample collected Feb 28, 2024 13:45, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
1.1 ug/l , sample collected Feb 28, 2024 13:45, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:45, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:45, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
2.9 ug/l , sample collected Feb 28, 2024 13:45, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
0.56 ug/l , sample collected Feb 28, 2024 13:45, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:45, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:45, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:45, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0.56 ug/l , sample collected Feb 28, 2024 13:45, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 28, 2024 13:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-95605-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:30, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
3.1 ug/l , sample collected Feb 28, 2024 13:30, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
3 ug/l , sample collected Feb 28, 2024 13:30, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:30, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:30, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
6.1 ug/l , sample collected Feb 28, 2024 13:30, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
6.5 ug/l , sample collected Feb 28, 2024 13:30, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:30, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
1 ug/l , sample collected Feb 28, 2024 13:30, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 13:30, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
7.5 ug/l , sample collected Feb 28, 2024 13:30, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Sep 12, 2023 07:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230913-070
Laboratory
MSDH Lab
0.0373 mg/l , sample collected Sep 12, 2023 07:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 12, 2023 07:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Sep 12, 2023 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-230913-069
Laboratory
MSDH Lab
0.006 mg/l , sample collected Sep 12, 2023 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 12, 2023 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).