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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

MS0630037 , Truelight Redevelopment GRP #2

40 of the 74 analytes this system has been tested for have been detected at least once, across 510 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 510 samples on record, detections range from October 22, 2003 to October 12, 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 Truelight Redevelopment GRP #2, 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
TTHM 2950 Organic Chemical 143 of 153 results Sep 20, 2004 Oct 12, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 137 of 149 results Sep 20, 2004 Oct 12, 2025
Chloroform 2941 Organic Chemical 75 of 77 results May 23, 2006 Jun 25, 2024
Dichloroacetic Acid 2451 Organic Chemical 69 of 72 results Feb 25, 2008 Jun 25, 2024
Bromodichloromethane 2943 Organic Chemical 69 of 77 results May 23, 2006 Jun 25, 2024
Trichloroacetic Acid 2452 Organic Chemical 67 of 72 results Feb 25, 2008 Jun 25, 2024
Copper, Free 1022 Inorganic Chemical 46 of 46 results Jul 25, 2006 Aug 9, 2017
Monochloroacetic Acid 2450 Organic Chemical 38 of 72 results Nov 10, 2008 Jun 25, 2024
Fluoride 1025 Inorganic Chemical 31 of 32 results Oct 22, 2003 May 8, 2025
Barium 1010 Inorganic Chemical 28 of 28 results Oct 22, 2003 May 8, 2025
Chromium 1020 Inorganic Chemical 19 of 28 results Oct 22, 2003 May 8, 2025
Lead 1030 Inorganic Chemical 15 of 46 results Jul 25, 2006 Aug 9, 2017
Monobromoacetic Acid 2453 Organic Chemical 12 of 72 results Nov 10, 2008 Nov 16, 2020
Dibromochloromethane 2944 Organic Chemical 9 of 77 results May 23, 2006 Mar 27, 2024
Nickel 1036 Inorganic Chemical 5 of 28 results May 13, 2013 Mar 26, 2025
Sodium 1052 Inorganic Chemical 5 of 5 results Oct 14, 2009 Nov 13, 2023
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 5, 2011 Jul 10, 2012
Calcium 1016 Inorganic Chemical 4 of 4 results Oct 14, 2009 Sep 25, 2020
Chloride 1017 Inorganic Chemical 4 of 4 results Oct 14, 2009 Sep 25, 2020
Manganese 1032 Inorganic Chemical 4 of 4 results Oct 14, 2009 Sep 25, 2020
Potassium 1042 Inorganic Chemical 4 of 4 results Oct 14, 2009 Sep 25, 2020
Residue, Total, Filterable 1057 Water Quality 4 of 4 results Oct 14, 2009 Sep 25, 2020
Alkalinity, Caco3 Stability 1067 Water Quality 4 of 4 results Oct 14, 2009 Sep 25, 2020
Carbon Dioxide 1901 Water Quality 4 of 4 results Oct 14, 2009 Sep 25, 2020
Color 1905 Water Quality 4 of 4 results Oct 14, 2009 Sep 25, 2020
Hardness, Total (As Caco3) 1915 Water Quality 4 of 4 results Oct 14, 2009 Sep 25, 2020
Alkalinity, Total 1927 Water Quality 4 of 4 results Oct 14, 2009 Sep 25, 2020
Calculated Sodium NACA Water Quality 3 of 3 results Oct 14, 2009 Sep 25, 2020
PH, Field Result PHFD Water Quality 3 of 3 results Oct 14, 2009 Sep 25, 2020
Iron 1028 Inorganic Chemical 2 of 4 results Sep 25, 2020 Sep 25, 2020
Magnesium 1031 Inorganic Chemical 2 of 4 results Sep 25, 2020 Sep 25, 2020
Iron, Field Result FEFD Inorganic Chemical 2 of 3 results Oct 14, 2009 Sep 25, 2020
Dibromoacetic Acid 2454 Organic Chemical 2 of 72 results Nov 10, 2008 Feb 14, 2017
Gross Alpha Particle Activity 4109 Radionuclide 2 of 4 results Jun 25, 2012 Sep 10, 2012
Selenium 1045 Inorganic Chemical 2 of 28 results Feb 8, 2010 Feb 8, 2010
Carbon Tetrachloride 2982 Organic Chemical 1 of 25 results Oct 25, 2022 Oct 25, 2022
Cyanide 1024 Inorganic Chemical 1 of 33 results Sep 15, 2022 Sep 15, 2022
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 52 results Jan 12, 2022 Jan 12, 2022
Nitrate 1040 Inorganic Chemical 1 of 52 results Jan 12, 2022 Jan 12, 2022
Nitrite 1041 Inorganic Chemical 1 of 52 results Jul 31, 2006 Jul 31, 2006

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 341–350 of 510 samples, newest first — collected May 8, 2013 to November 18, 2013. The summary above covers all 510.

53 results from the 10 samples listed here: 20 detected, 33 not detected. Across the whole record it is 836 of 2,203. 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 Truelight Redevelopment GRP #2, every result from 341 to 350 of 510 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
Nov 18, 2013 11:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
131119-014HA
Laboratory
MSDH Lab
0.004 mg/l , sample collected Nov 18, 2013 11:00, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.031 mg/l , sample collected Nov 18, 2013 11:00, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.022 mg/l , sample collected Nov 18, 2013 11:00, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 18, 2013 11:00, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 18, 2013 11:00, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.057 mg/l , sample collected Nov 18, 2013 11:00, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2013 – Dec 31, 2013
Collected
Nov 18, 2013 11:30
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
131119-013HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 18, 2013 11:30, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.014 mg/l , sample collected Nov 18, 2013 11:30, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.022 mg/l , sample collected Nov 18, 2013 11:30, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 18, 2013 11:30, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 18, 2013 11:30, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.036 mg/l , sample collected Nov 18, 2013 11:30, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2013 – Dec 31, 2013
Collected
Aug 14, 2013 11:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130815-005CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 14, 2013 11:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Aug 14, 2013 11:45
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130815-004CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Aug 14, 2013 11:45, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Jul 29, 2013 11:55
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130730-007TH
Laboratory
MSDH Lab
54.8 ug/l , sample collected Jul 29, 2013 11:55, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2013 11:55, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
6.65 ug/l , sample collected Jul 29, 2013 11:55, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 29, 2013 11:55, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
61.5 ug/l , sample collected Jul 29, 2013 11:55, sampling point MRT000 TTHM 2950 EPA method 524.2 Jul 1, 2013 – Sep 30, 2013
Collected
Jul 29, 2013 11:55
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
130730-007HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Jul 29, 2013 11:55, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.027 mg/l , sample collected Jul 29, 2013 11:55, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.018 mg/l , sample collected Jul 29, 2013 11:55, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 29, 2013 11:55, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Jul 29, 2013 11:55, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.045 mg/l , sample collected Jul 29, 2013 11:55, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jul 1, 2013 – Sep 30, 2013
Collected
May 13, 2013 11:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130514-022IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 11:00, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0074 mg/l , sample collected May 13, 2013 11:00, 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 13, 2013 11:00, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0057 mg/l , sample collected May 13, 2013 11:00, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.417 mg/l , sample collected May 13, 2013 11:00, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 11:00, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0076 mg/l , sample collected May 13, 2013 11:00, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 13, 2013 11:00, 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 13, 2013 11:00, 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 13, 2013 11:00, 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 13, 2013 11:00, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 13, 2013 10:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130514-021IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 10:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0062 mg/l , sample collected May 13, 2013 10:00, sampling point TF101 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 13, 2013 10:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 10:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.204 mg/l , sample collected May 13, 2013 10:00, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2013 10:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0016 mg/l , sample collected May 13, 2013 10:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 13, 2013 10:00, sampling point TF101 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 13, 2013 10:00, sampling point TF101 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 13, 2013 10:00, sampling point TF101 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 13, 2013 10:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
May 8, 2013 10:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
130509-023NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 8, 2013 10:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 8, 2013 10:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 8, 2013 10:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Collected
May 8, 2013 10:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
130509-022NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 8, 2013 10:45, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 8, 2013 10:45, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 8, 2013 10:45, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2013 – Dec 31, 2013

Routine (10).