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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

MS0820028 , Midway W/A #3

34 of the 71 analytes this system has been tested for have been detected at least once, across 291 samples on record.

The other 37 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 291 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 #3, 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 88 of 94 results Sep 1, 2004 Apr 22, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 87 of 98 results Sep 1, 2004 Oct 13, 2025
Chloroform 2941 Organic Chemical 57 of 57 results Oct 4, 2006 Apr 22, 2026
Bromodichloromethane 2943 Organic Chemical 52 of 57 results Oct 4, 2006 Dec 15, 2020
Dichloroacetic Acid 2451 Organic Chemical 51 of 56 results Oct 15, 2007 Apr 22, 2026
Trichloroacetic Acid 2452 Organic Chemical 49 of 56 results Oct 15, 2007 Dec 15, 2020
Copper, Free 1022 Inorganic Chemical 40 of 40 results Aug 23, 2007 Nov 5, 2020
Lead 1030 Inorganic Chemical 30 of 40 results Aug 23, 2007 Nov 5, 2020
Monochloroacetic Acid 2450 Organic Chemical 16 of 56 results Nov 9, 2009 Mar 22, 2020
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
Chromium 1020 Inorganic Chemical 8 of 10 results Apr 5, 2004 May 9, 2025
Monobromoacetic Acid 2453 Organic Chemical 8 of 56 results Dec 9, 2015 Dec 15, 2020
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 12, 2011 Aug 7, 2012
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 27, 2017 Mar 28, 2023
Dibromochloromethane 2944 Organic Chemical 2 of 57 results Dec 9, 2015 Dec 9, 2015
Calcium 1016 Inorganic Chemical 1 of 1 result Sep 27, 2017 Sep 27, 2017
Chloride 1017 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
Iron, Field Result FEFD Inorganic Chemical 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
Nickel 1036 Inorganic Chemical 1 of 10 results May 10, 2010 May 10, 2010
Dibromoacetic Acid 2454 Organic Chemical 1 of 56 results Nov 5, 2008 Nov 5, 2008
Nitrite 1041 Inorganic Chemical 1 of 21 results Aug 14, 2006 Aug 14, 2006
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 91–100 of 291 samples, newest first — collected May 27, 2020 to November 5, 2020. The summary above covers all 291.

21 results from the 10 samples listed here: 17 detected, 4 not detected. Across the whole record it is 535 of 1,157. 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 #3, every result from 91 to 100 of 291 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 5, 2020
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-005PB
Laboratory
MSDH Lab
0.3262 mg/l , sample collected Nov 5, 2020, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0006 mg/l , sample collected Nov 5, 2020, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Nov 5, 2020
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-001PB
Laboratory
MSDH Lab
0.2441 mg/l , sample collected Nov 5, 2020, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0011 mg/l , sample collected Nov 5, 2020, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Nov 5, 2020 07:38
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-009PB
Laboratory
MSDH Lab
0.537 mg/l , sample collected Nov 5, 2020 07:38, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0011 mg/l , sample collected Nov 5, 2020 07:38, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Nov 5, 2020 07:08
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-007PB
Laboratory
MSDH Lab
0.7087 mg/l , sample collected Nov 5, 2020 07:08, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0007 mg/l , sample collected Nov 5, 2020 07:08, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Nov 5, 2020 06:43
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-006PB
Laboratory
MSDH Lab
0.1953 mg/l , sample collected Nov 5, 2020 06:43, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0006 mg/l , sample collected Nov 5, 2020 06:43, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Nov 5, 2020 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-004PB
Laboratory
MSDH Lab
0.028 mg/l , sample collected Nov 5, 2020 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0032 mg/l , sample collected Nov 5, 2020 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Nov 5, 2020 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-003PB
Laboratory
MSDH Lab
0.3474 mg/l , sample collected Nov 5, 2020 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0015 mg/l , sample collected Nov 5, 2020 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Nov 5, 2020 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-002PB
Laboratory
MSDH Lab
0.1957 mg/l , sample collected Nov 5, 2020 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Nov 5, 2020 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
Nov 4, 2020 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
201118-008PB
Laboratory
MSDH Lab
0.0354 mg/l , sample collected Nov 4, 2020 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
0.0018 mg/l , sample collected Nov 4, 2020 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2018 – Dec 31, 2020
Collected
May 27, 2020 13:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
200528-031NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 27, 2020 13:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected May 27, 2020 13:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 27, 2020 13:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020

Routine (10).