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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 301–310 of 510 samples, newest first — collected February 9, 2015 to August 10, 2015. The summary above covers all 510.

49 results from the 10 samples listed here: 20 detected, 29 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 301 to 310 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
Aug 10, 2015 04:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
150811-009HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 0.006 mg/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Jul 1, 2015 – Sep 30, 2015
Collected
Aug 10, 2015 04:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
150811-012TH
Laboratory
MSDH Lab
1.48 ug/l , sample collected Aug 10, 2015 04:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 10, 2015 04:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.48 ug/l , sample collected Aug 10, 2015 04:00, sampling point SM1 TTHM 2950 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Collected
Aug 10, 2015 03:25
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
150811-011TH
Laboratory
MSDH Lab
1.32 ug/l , sample collected Aug 10, 2015 03:25, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 10, 2015 03:25, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 10, 2015 03:25, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 10, 2015 03:25, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
1.32 ug/l , sample collected Aug 10, 2015 03:25, sampling point SM2 TTHM 2950 EPA method 524.2 Jul 1, 2015 – Sep 30, 2015
Collected
May 11, 2015 16:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
150512-129NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 11, 2015 16:00, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 11, 2015 16:00, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 11, 2015 16:00, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
May 11, 2015 15:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150512-128NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 11, 2015 15:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 11, 2015 15:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 11, 2015 15:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
May 11, 2015 03:20
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
150512-010TH
Laboratory
MSDH Lab
82.5 ug/l , sample collected May 11, 2015 03:20, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 11, 2015 03:20, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
8.42 ug/l , sample collected May 11, 2015 03:20, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 11, 2015 03:20, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
90.9 ug/l , sample collected May 11, 2015 03:20, sampling point SM2 TTHM 2950 EPA method 524.2 Apr 1, 2015 – Jun 30, 2015
Collected
May 11, 2015 05:20
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
150512-009TH
Laboratory
MSDH Lab
112 ug/l , sample collected May 11, 2015 05:20, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 11, 2015 05:20, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
10.1 ug/l , sample collected May 11, 2015 05:20, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 11, 2015 05:20, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
122 ug/l , sample collected May 11, 2015 05:20, sampling point SM1 TTHM 2950 EPA method 524.2 Apr 1, 2015 – Jun 30, 2015
Collected
May 11, 2015 03:20
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
150512-010HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected May 11, 2015 03:20, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.031 mg/l , sample collected May 11, 2015 03:20, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.024 mg/l , sample collected May 11, 2015 03:20, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 11, 2015 03:20, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 11, 2015 03:20, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.055 mg/l , sample collected May 11, 2015 03:20, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2015 – Jun 30, 2015
Collected
May 11, 2015 05:20
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
150512-009HA
Laboratory
MSDH Lab
0.002 mg/l , sample collected May 11, 2015 05:20, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.037 mg/l , sample collected May 11, 2015 05:20, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.027 mg/l , sample collected May 11, 2015 05:20, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 11, 2015 05:20, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 11, 2015 05:20, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.066 mg/l , sample collected May 11, 2015 05:20, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2015 – Jun 30, 2015
Collected
Feb 9, 2015 11:45
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
150210-006TH
Laboratory
MSDH Lab
107 ug/l , sample collected Feb 9, 2015 11:45, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 9, 2015 11:45, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
9.63 ug/l , sample collected Feb 9, 2015 11:45, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 9, 2015 11:45, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
117 ug/l , sample collected Feb 9, 2015 11:45, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2015 – Mar 31, 2015

Routine (10).