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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

MS0820027 , Midway W/A #2

32 of the 70 analytes this system has been tested for have been detected at least once, across 277 samples on record.

The other 38 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 277 samples on record, detections range from November 5, 2003 to April 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 Midway W/A #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 75 of 82 results Sep 22, 2004 Apr 22, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 74 of 81 results Sep 22, 2004 Apr 22, 2026
Copper, Free 1022 Inorganic Chemical 60 of 60 results Aug 23, 2007 Sep 30, 2024
Lead 1030 Inorganic Chemical 53 of 60 results Aug 23, 2007 Sep 30, 2024
Chloroform 2941 Organic Chemical 43 of 45 results Oct 4, 2006 Apr 22, 2026
Bromodichloromethane 2943 Organic Chemical 41 of 45 results Oct 4, 2006 Sep 25, 2024
Trichloroacetic Acid 2452 Organic Chemical 38 of 40 results Feb 25, 2008 Apr 22, 2026
Dichloroacetic Acid 2451 Organic Chemical 37 of 40 results Feb 25, 2008 Apr 22, 2026
Fluoride 1025 Inorganic Chemical 11 of 11 results Nov 5, 2003 May 9, 2025
Barium 1010 Inorganic Chemical 10 of 10 results Nov 5, 2003 May 9, 2025
Monochloroacetic Acid 2450 Organic Chemical 9 of 40 results Feb 3, 2009 Nov 2, 2016
Chromium 1020 Inorganic Chemical 8 of 10 results Apr 5, 2004 May 9, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Jul 17, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 27, 2017 Mar 28, 2023
Dibromochloromethane 2944 Organic Chemical 2 of 45 results Jan 8, 2024 Jan 8, 2024
Monobromoacetic Acid 2453 Organic Chemical 2 of 40 results Nov 9, 2009 Dec 18, 2017
Calcium 1016 Inorganic Chemical 1 of 1 result Sep 27, 2017 Sep 27, 2017
Iron 1028 Inorganic Chemical 1 of 1 result Sep 27, 2017 Sep 27, 2017
Magnesium 1031 Inorganic Chemical 1 of 1 result Sep 27, 2017 Sep 27, 2017
Manganese 1032 Inorganic Chemical 1 of 1 result Sep 27, 2017 Sep 27, 2017
Potassium 1042 Inorganic Chemical 1 of 1 result Sep 27, 2017 Sep 27, 2017
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Sep 27, 2017 Sep 27, 2017
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Sep 27, 2017 Sep 27, 2017
Color 1905 Water Quality 1 of 1 result Sep 27, 2017 Sep 27, 2017
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Sep 27, 2017 Sep 27, 2017
Alkalinity, Total 1927 Water Quality 1 of 1 result Sep 27, 2017 Sep 27, 2017
Calculated Sodium NACA Water Quality 1 of 1 result Sep 27, 2017 Sep 27, 2017
PH, Field Result PHFD Water Quality 1 of 1 result Sep 27, 2017 Sep 27, 2017
Arsenic 1005 Inorganic Chemical 1 of 10 results May 10, 2010 May 10, 2010
Nickel 1036 Inorganic Chemical 1 of 10 results May 10, 2010 May 10, 2010
Dibromoacetic Acid 2454 Organic Chemical 1 of 40 results Nov 5, 2008 Nov 5, 2008
Sulfate 1055 Inorganic Chemical 1 of 3 results Nov 5, 2003 Nov 5, 2003

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 171–180 of 277 samples, newest first — collected September 14, 2011 to February 27, 2012. The summary above covers all 277.

41 results from the 10 samples listed here: 22 detected, 19 not detected. Across the whole record it is 487 of 1,039. 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 Midway W/A #2, every result from 171 to 180 of 277 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
Feb 27, 2012 01:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
120228-010HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Feb 27, 2012 01:30, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Feb 27, 2012 01:30, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.004 mg/l , sample collected Feb 27, 2012 01:30, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 27, 2012 01:30, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Feb 27, 2012 01:30, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.01 mg/l , sample collected Feb 27, 2012 01:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2012 – Mar 31, 2012
Collected
Feb 13, 2012 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120214-019
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Feb 13, 2012 14:00, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Feb 13, 2012 14:00, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.242 pci/l Minimum Reporting Level , sample collected Feb 13, 2012 14:00, sampling point TF101 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Feb 13, 2012 14:00, sampling point TF101 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Feb 13, 2012 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120214-019RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 13, 2012 14:00, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Dec 12, 2011 13:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
111213-050
Laboratory
Radiation Safety Engineering
0.6 pci/l , sample collected Dec 12, 2011 13:15, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Dec 12, 2011 13:15, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.242 pci/l Minimum Reporting Level , sample collected Dec 12, 2011 13:15, sampling point TF101 Radium-226 4020 EPA method 903.1 Oct 1, 2011 – Dec 31, 2011
Not detected below 0.45 pci/l Minimum Reporting Level , sample collected Dec 12, 2011 13:15, sampling point TF101 Radium-228 4030 EPA method 904.0 Oct 1, 2011 – Dec 31, 2011
Collected
Nov 28, 2011 01:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
111129-005TH
Laboratory
MSDH Lab
49.5 ug/l , sample collected Nov 28, 2011 01:30, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 28, 2011 01:30, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
4 ug/l , sample collected Nov 28, 2011 01:30, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Nov 28, 2011 01:30, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
54 ug/l , sample collected Nov 28, 2011 01:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Oct 1, 2011 – Dec 31, 2011
Collected
Nov 28, 2011 01:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
111129-005HA
Laboratory
MSDH Lab
0.002 mg/l , sample collected Nov 28, 2011 01:30, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.005 mg/l , sample collected Nov 28, 2011 01:30, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.011 mg/l , sample collected Nov 28, 2011 01:30, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 01:30, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Nov 28, 2011 01:30, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.018 mg/l , sample collected Nov 28, 2011 01:30, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Oct 1, 2011 – Dec 31, 2011
Collected
Sep 20, 2011 03:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110921-001TH
Laboratory
MSDH Lab
63.8 ug/l , sample collected Sep 20, 2011 03:00, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 20, 2011 03:00, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
3.92 ug/l , sample collected Sep 20, 2011 03:00, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 20, 2011 03:00, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
67.7 ug/l , sample collected Sep 20, 2011 03:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Jul 1, 2011 – Sep 30, 2011
Collected
Sep 20, 2011 03:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
110921-001HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 20, 2011 03:00, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.011 mg/l , sample collected Sep 20, 2011 03:00, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.008 mg/l , sample collected Sep 20, 2011 03:00, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 20, 2011 03:00, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 20, 2011 03:00, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.019 mg/l , sample collected Sep 20, 2011 03:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jul 1, 2011 – Sep 30, 2011
Collected
Sep 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110915-039PB
Laboratory
MSDH Lab
0.3615 mg/l , sample collected Sep 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0019 mg/l , sample collected Sep 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Sep 14, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110915-040PB
Laboratory
MSDH Lab
0.4405 mg/l , sample collected Sep 14, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0016 mg/l , sample collected Sep 14, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011

Routine (10).