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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 131–140 of 501 samples, newest first — collected April 15, 2019 to July 15, 2019. The summary above covers all 501.

73 results from the 10 samples listed here: 22 detected, 51 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 131 to 140 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
Jul 15, 2019 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190717-009PB
Laboratory
MSDH Lab
0.2237 mg/l , sample collected Jul 15, 2019 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 15, 2019 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 15, 2019 14:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190717-008PB
Laboratory
MSDH Lab
0.2819 mg/l , sample collected Jul 15, 2019 14:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 15, 2019 14:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 15, 2019 17:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190717-004PB
Laboratory
MSDH Lab
0.2839 mg/l , sample collected Jul 15, 2019 17:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 15, 2019 17:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jul 14, 2019 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190717-001PB
Laboratory
MSDH Lab
0.0066 mg/l , sample collected Jul 14, 2019 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 14, 2019 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
May 20, 2019 01:50
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190521-014IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:50, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.072 mg/l , sample collected May 20, 2019 01:50, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:50, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0068 mg/l , sample collected May 20, 2019 01:50, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:50, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:50, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0053 mg/l , sample collected May 20, 2019 01:50, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:50, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:50, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:50, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:50, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
May 20, 2019 02:10
Sampling point
TF104 Treatment Plant T104
Sample type
Routine
Lab sample
190521-013IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:10, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0176 mg/l , sample collected May 20, 2019 02:10, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:10, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0007 mg/l , sample collected May 20, 2019 02:10, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.155 mg/l , sample collected May 20, 2019 02:10, sampling point TF104 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:10, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:10, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:10, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:10, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:10, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 02:10, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
May 20, 2019 01:40
Sampling point
TF106 Treatment Facility TF106
Sample type
Routine
Lab sample
190521-009IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:40, sampling point TF106 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0687 mg/l , sample collected May 20, 2019 01:40, sampling point TF106 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:40, sampling point TF106 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0267 mg/l , sample collected May 20, 2019 01:40, sampling point TF106 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:40, sampling point TF106 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:40, sampling point TF106 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0211 mg/l , sample collected May 20, 2019 01:40, sampling point TF106 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:40, sampling point TF106 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:40, sampling point TF106 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:40, sampling point TF106 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 20, 2019 01:40, sampling point TF106 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Apr 22, 2019 15:10
Sampling point
TF105 Sweet Home Rd S
Sample type
Routine
Lab sample
190423-015VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Apr 22, 2019 15:10, sampling point TF105 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Apr 15, 2019 15:45
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190416-012TH
Laboratory
MSDH Lab
9.11 ug/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
1.56 ug/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
6.35 ug/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
6.42 ug/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
23.44 ug/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 TTHM 2950 Not recorded
Collected
Apr 15, 2019 15:45
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190416-012HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Apr 15, 2019 15:45, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 15, 2019 15:45, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Apr 15, 2019 15:45, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2019 – Dec 31, 2019

Routine (10).