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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 221–230 of 510 samples, newest first — collected November 26, 2018 to July 29, 2019. The summary above covers all 510.

58 results from the 10 samples listed here: 27 detected, 31 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 221 to 230 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
Jul 29, 2019 18:50
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190729-002CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 29, 2019 18:50, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jul 1, 2019 – Sep 30, 2019
Collected
Jul 29, 2019 18:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190729-001CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 29, 2019 18:30, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
May 13, 2019 13:15
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
190514-012TH
Laboratory
MSDH Lab
34.5 ug/l , sample collected May 13, 2019 13:15, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 13, 2019 13:15, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
4.17 ug/l , sample collected May 13, 2019 13:15, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 13, 2019 13:15, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
38.7 ug/l , sample collected May 13, 2019 13:15, sampling point SM2 TTHM 2950 Apr 1, 2019 – Jun 30, 2019
Collected
May 13, 2019 13:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
190514-011TH
Laboratory
MSDH Lab
35.1 ug/l , sample collected May 13, 2019 13:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 13, 2019 13:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
4.29 ug/l , sample collected May 13, 2019 13:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected May 13, 2019 13:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
39.4 ug/l , sample collected May 13, 2019 13:00, sampling point SM1 TTHM 2950 Apr 1, 2019 – Jun 30, 2019
Collected
May 13, 2019 15:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190515-003IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2019 15:00, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0082 mg/l , sample collected May 13, 2019 15:00, sampling point TF101 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 13, 2019 15:00, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0089 mg/l , sample collected May 13, 2019 15:00, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.253 mg/l , sample collected May 13, 2019 15:00, sampling point TF101 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 13, 2019 15:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0051 mg/l , sample collected May 13, 2019 15:00, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 13, 2019 15:00, sampling point TF101 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 13, 2019 15:00, sampling point TF101 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 13, 2019 15:00, sampling point TF101 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 13, 2019 15:00, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
May 12, 2019 13:15
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
190514-005HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected May 12, 2019 13:15, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.022 mg/l , sample collected May 12, 2019 13:15, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.025 mg/l , sample collected May 12, 2019 13:15, 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 12, 2019 13:15, 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 12, 2019 13:15, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.047 mg/l , sample collected May 12, 2019 13:15, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2019 – Jun 30, 2019
Collected
May 12, 2019 13:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
190514-004HA
Laboratory
MSDH Lab
0.002 mg/l , sample collected May 12, 2019 13:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.019 mg/l , sample collected May 12, 2019 13:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.02 mg/l , sample collected May 12, 2019 13:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 12, 2019 13:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected May 12, 2019 13:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.04 mg/l , sample collected May 12, 2019 13:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Apr 1, 2019 – Jun 30, 2019
Collected
Mar 13, 2019 15:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190515-008IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2019 15:30, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0075 mg/l , sample collected Mar 13, 2019 15:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2019 15:30, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.001 mg/l , sample collected Mar 13, 2019 15:30, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.246 mg/l , sample collected Mar 13, 2019 15:30, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2019 15:30, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0006 mg/l , sample collected Mar 13, 2019 15:30, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2019 15:30, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Mar 13, 2019 15:30, sampling point TF102 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 Mar 13, 2019 15:30, sampling point TF102 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 Mar 13, 2019 15:30, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Nov 26, 2018 09:40
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
181127-014HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 26, 2018 09:40, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.025 mg/l , sample collected Nov 26, 2018 09:40, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.014 mg/l , sample collected Nov 26, 2018 09:40, 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 26, 2018 09:40, 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 26, 2018 09:40, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.039 mg/l , sample collected Nov 26, 2018 09:40, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2018 – Dec 31, 2018
Collected
Nov 26, 2018 09:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
181127-013HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Nov 26, 2018 09:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.027 mg/l , sample collected Nov 26, 2018 09:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.016 mg/l , sample collected Nov 26, 2018 09:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 26, 2018 09:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 26, 2018 09:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.043 mg/l , sample collected Nov 26, 2018 09:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2018 – Dec 31, 2018

Routine (10).