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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

MS0220008 , Poor House W/A #1

45 of the 73 analytes this system has been tested for have been detected at least once, across 501 samples on record.

The other 28 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 501 samples on record, detections range from October 12, 1993 to December 10, 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 Poor House W/A #1, 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 140 of 143 results Oct 12, 1993 Jun 11, 2025
Lead 1030 Inorganic Chemical 63 of 143 results Oct 12, 1993 Jun 11, 2025
Barium 1010 Inorganic Chemical 46 of 46 results Jun 18, 2002 Feb 19, 2025
Fluoride 1025 Inorganic Chemical 40 of 50 results Jun 18, 2002 Feb 19, 2025
Chromium 1020 Inorganic Chemical 34 of 46 results Jun 18, 2002 Apr 27, 2022
TTHM 2950 Organic Chemical 31 of 33 results May 26, 2004 Dec 10, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 23 of 32 results Oct 25, 2005 May 15, 2024
Nickel 1036 Inorganic Chemical 23 of 46 results Feb 28, 2005 Jan 10, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 22 of 23 results Mar 5, 2012 Dec 15, 2015
Chloroform 2941 Organic Chemical 21 of 23 results Sep 12, 2006 Dec 10, 2025
Sodium 1052 Inorganic Chemical 19 of 19 results Aug 28, 2008 Jan 31, 2024
Bromodichloromethane 2943 Organic Chemical 17 of 23 results May 4, 2009 Dec 10, 2025
Dibromochloromethane 2944 Organic Chemical 14 of 23 results May 4, 2009 Dec 10, 2025
Dichloroacetic Acid 2451 Organic Chemical 12 of 22 results May 4, 2009 May 15, 2024
Trichloroacetic Acid 2452 Organic Chemical 10 of 22 results May 4, 2009 May 15, 2024
Selenium 1045 Inorganic Chemical 7 of 46 results Jan 30, 2006 Apr 2, 2008
Dibromoacetic Acid 2454 Organic Chemical 6 of 22 results May 4, 2009 Dec 20, 2023
Sulfate 1055 Inorganic Chemical 6 of 13 results Jun 18, 2002 Sep 24, 2020
Cyanide 1024 Inorganic Chemical 4 of 44 results Feb 28, 2005 Jun 23, 2025
Calcium 1016 Inorganic Chemical 4 of 4 results Aug 28, 2008 Sep 24, 2020
Chloride 1017 Inorganic Chemical 4 of 4 results Aug 28, 2008 Sep 24, 2020
Magnesium 1031 Inorganic Chemical 4 of 4 results Aug 28, 2008 Sep 24, 2020
Manganese 1032 Inorganic Chemical 4 of 4 results Aug 28, 2008 Sep 24, 2020
Potassium 1042 Inorganic Chemical 4 of 4 results Aug 28, 2008 Sep 24, 2020
Residue, Total, Filterable 1057 Water Quality 4 of 4 results Aug 28, 2008 Sep 24, 2020
Carbon Dioxide 1901 Water Quality 4 of 4 results Aug 28, 2008 Sep 24, 2020
Hardness, Total (As Caco3) 1915 Water Quality 4 of 4 results Aug 28, 2008 Sep 24, 2020
Calculated Sodium NACA Water Quality 4 of 4 results Aug 28, 2008 Sep 24, 2020
PH, Field Result PHFD Water Quality 4 of 4 results Aug 28, 2008 Sep 24, 2020
Color 1905 Water Quality 3 of 4 results Aug 28, 2008 Sep 24, 2020
Combined Radium (-226 & -228) 4010 Radionuclide 3 of 23 results Sep 17, 2014 Dec 15, 2015
Monochloroacetic Acid 2450 Organic Chemical 3 of 22 results May 4, 2009 Nov 2, 2009
Cadmium 1015 Inorganic Chemical 3 of 46 results Jun 18, 2002 Jan 30, 2006
Iron 1028 Inorganic Chemical 2 of 4 results Aug 28, 2008 Sep 24, 2020
Iron, Field Result FEFD Inorganic Chemical 2 of 4 results Aug 28, 2008 Sep 24, 2020
Bromoform 2942 Organic Chemical 2 of 23 results May 4, 2009 Apr 15, 2019
Radium-226 4020 Radionuclide 2 of 23 results Dec 8, 2014 Dec 15, 2015
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Sep 24, 2020 Sep 24, 2020
Alkalinity, Total 1927 Water Quality 1 of 1 result Sep 24, 2020 Sep 24, 2020
Xylenes, Total 2955 Organic Chemical 1 of 48 results May 15, 2017 May 15, 2017
Radium-228 4030 Radionuclide 1 of 23 results Sep 17, 2014 Sep 17, 2014
Temperature, Field Result TEMP Water Quality 1 of 1 result Aug 28, 2008 Aug 28, 2008
Nitrite 1041 Inorganic Chemical 1 of 100 results Jun 14, 2006 Jun 14, 2006
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 100 results Jul 27, 2005 Jul 27, 2005
Nitrate 1040 Inorganic Chemical 1 of 100 results Jul 27, 2005 Jul 27, 2005

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 301–310 of 501 samples, newest first — collected June 1, 2010 to June 14, 2011. The summary above covers all 501.

63 results from the 10 samples listed here: 16 detected, 47 not detected. Across the whole record it is 606 of 2,617. 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 Poor House W/A #1, every result from 301 to 310 of 501 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 14, 2011
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110615-011HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jun 14, 2011, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Jun 14, 2011, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Jun 14, 2011, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 14, 2011, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jun 14, 2011, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Jun 14, 2011, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2009 – Dec 31, 2011
Collected
May 16, 2011
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
110517-022IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0566 mg/l , sample collected May 16, 2011, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0026 mg/l , sample collected May 16, 2011, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.116 mg/l , sample collected May 16, 2011, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0006 mg/l , sample collected May 16, 2011, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 16, 2011
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
110517-021IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0177 mg/l , sample collected May 16, 2011, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0019 mg/l , sample collected May 16, 2011, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.15 mg/l , sample collected May 16, 2011, sampling point TF104 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 16, 2011
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
110517-020IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0193 mg/l , sample collected May 16, 2011, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0027 mg/l , sample collected May 16, 2011, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.161 mg/l , sample collected May 16, 2011, sampling point TF103 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Apr 25, 2011
Sampling point
TF105 Sweet Home Rd S
Sample type
Routine
Lab sample
110426-010CN
Laboratory
MSDH Lab
15.65 ug/l , sample collected Apr 25, 2011, sampling point TF105 Cyanide 1024 EPA method QC10204001X Jan 1, 2010 – Dec 31, 2012
Collected
Apr 18, 2011
Sampling point
TF105 Sweet Home Rd S
Sample type
Routine
Lab sample
110419-062IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Arsenic 1005 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.057477 mg/l , sample collected Apr 18, 2011, sampling point TF105 Barium 1010 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Cadmium 1015 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Chromium 1020 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Fluoride 1025 EPA method 380-75WE Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Mercury 1035 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
0.001176 mg/l , sample collected Apr 18, 2011, sampling point TF105 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Selenium 1045 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Antimony, Total 1074 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 18, 2011, sampling point TF105 Thallium, Total 1085 EPA method 200.8 Jan 1, 2010 – Dec 31, 2012
Collected
Jan 31, 2011
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
110201-073NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF104 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Jan 31, 2011
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
110201-062NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Jan 31, 2011
Sampling point
TF105 Sweet Home Rd S
Sample type
Routine
Lab sample
110201-050NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF105 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF105 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 31, 2011, sampling point TF105 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Jun 1, 2010
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
100602-020NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF104 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 1, 2010, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010

Routine (10).