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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

MS0160002 , City of Collins

27 of the 59 analytes this system has been tested for have been detected at least once, across 482 samples on record.

The other 32 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 482 samples on record, detections range from July 27, 1993 to July 22, 2026. 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 City of Collins, 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 144 of 148 results Jul 27, 1993 Jul 22, 2026
Lead 1030 Inorganic Chemical 115 of 148 results Jul 27, 1993 Jul 22, 2026
Fluoride 1025 Inorganic Chemical 49 of 50 results Apr 16, 2002 Jun 29, 2026
Barium 1010 Inorganic Chemical 42 of 44 results Apr 16, 2002 Jun 29, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 33 of 33 results May 17, 2004 Apr 21, 2026
Chromium 1020 Inorganic Chemical 28 of 44 results Apr 16, 2002 Feb 3, 2025
TTHM 2950 Organic Chemical 24 of 29 results May 17, 2004 Apr 21, 2026
Sodium 1052 Inorganic Chemical 16 of 16 results Sep 24, 2019 Jun 29, 2026
Nickel 1036 Inorganic Chemical 12 of 40 results Sep 10, 2003 Apr 17, 2014
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 15 results Mar 5, 2012 Oct 5, 2012
Dichloroacetic Acid 2451 Organic Chemical 8 of 8 results Sep 15, 2008 Apr 21, 2026
Trichloroacetic Acid 2452 Organic Chemical 8 of 8 results Sep 15, 2008 Apr 21, 2026
Sulfate 1055 Inorganic Chemical 8 of 9 results Apr 16, 2002 Jan 26, 2004
Selenium 1045 Inorganic Chemical 7 of 44 results Mar 2, 2005 Mar 24, 2008
Chloroform 2941 Organic Chemical 6 of 6 results Aug 15, 2007 Apr 21, 2026
Cadmium 1015 Inorganic Chemical 6 of 44 results Mar 2, 2005 Jan 23, 2006
Nitrite 1041 Inorganic Chemical 5 of 81 results Jun 12, 2006 Jan 10, 2022
Xylenes, Total 2955 Organic Chemical 5 of 56 results Jul 12, 2004 Apr 11, 2013
Bromodichloromethane 2943 Organic Chemical 4 of 6 results Aug 15, 2007 Apr 21, 2026
Gross Alpha Particle Activity 4109 Radionuclide 4 of 4 results Jun 28, 2012 Jan 17, 2013
Dibromochloromethane 2944 Organic Chemical 3 of 6 results Sep 15, 2008 Apr 21, 2026
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 81 results Jun 12, 2006 Feb 3, 2021
Nitrate 1040 Inorganic Chemical 3 of 81 results Jun 12, 2006 Feb 3, 2021
Arsenic 1005 Inorganic Chemical 1 of 44 results Mar 2, 2005 Mar 2, 2005
Beryllium, Total 1075 Inorganic Chemical 1 of 44 results Mar 2, 2005 Mar 2, 2005
Thallium, Total 1085 Inorganic Chemical 1 of 44 results Mar 2, 2005 Mar 2, 2005
Ethylbenzene 2992 Organic Chemical 1 of 56 results Jul 12, 2004 Jul 12, 2004

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 411–420 of 482 samples, newest first — collected June 27, 2000 to April 16, 2002. The summary above covers all 482.

29 results from the 10 samples listed here: 20 detected, 9 not detected. Across the whole record it is 547 of 2,486. 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 City of Collins, every result from 411 to 420 of 482 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
Apr 16, 2002
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
020417-031IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 16, 2002, sampling point TF101 Arsenic 1005 EPA method 200.8 Not recorded
0.005 mg/l , sample collected Apr 16, 2002, sampling point TF101 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Apr 16, 2002, sampling point TF101 Cadmium 1015 EPA method 200.8 Not recorded
0.004 mg/l , sample collected Apr 16, 2002, sampling point TF101 Chromium 1020 EPA method 200.8 Not recorded
0.24 mg/l , sample collected Apr 16, 2002, sampling point TF101 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2002, sampling point TF101 Mercury 1035 EPA method 200.8 Not recorded
Not detected below 0.005 mg/l Minimum Reporting Level , sample collected Apr 16, 2002, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 16, 2002, sampling point TF101 Selenium 1045 EPA method 200.8 Not recorded
7.04 mg/l , sample collected Apr 16, 2002, sampling point TF101 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Apr 16, 2002, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Apr 16, 2002, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 16, 2002, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Apr 2, 2002
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
Not recorded
Laboratory
STL Billerica
Not detected below 0.197 mfl Minimum Reporting Level , sample collected Apr 2, 2002, sampling point DS000 Asbestos 1094 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-070L
Laboratory
MSDH Lab
0.276 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.004 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-067L
Laboratory
MSDH Lab
0.604 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.007 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-066L
Laboratory
MSDH Lab
0.318 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-050L
Laboratory
MSDH Lab
0.415 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-048L
Laboratory
MSDH Lab
0.303 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-047L
Laboratory
MSDH Lab
0.213 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-045L
Laboratory
MSDH Lab
0.45 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.003 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded
Collected
Jun 27, 2000
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
000628-034L
Laboratory
MSDH Lab
0.193 mg/l , sample collected Jun 27, 2000, sampling point DS000 Copper, Free 1022 Not recorded
0.002 mg/l , sample collected Jun 27, 2000, sampling point DS000 Lead 1030 Not recorded

Routine (10).