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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

MS0640005 , Highway 28 Water Association

18 of the 57 analytes this system has been tested for have been detected at least once, across 149 samples on record.

The other 39 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 149 samples on record, detections range from October 27, 2003 to February 10, 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 Highway 28 Water Association, 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 60 of 60 results Sep 23, 2008 Aug 29, 2023
Lead 1030 Inorganic Chemical 29 of 60 results Sep 23, 2008 Nov 3, 2020
Nitrate-Nitrite 1038 Inorganic Chemical 20 of 22 results Jun 16, 2004 Feb 10, 2026
Nitrate 1040 Inorganic Chemical 20 of 22 results Jun 16, 2004 Feb 10, 2026
Barium 1010 Inorganic Chemical 10 of 10 results Oct 27, 2003 Mar 24, 2025
TTHM 2950 Organic Chemical 6 of 19 results Aug 23, 2004 Aug 21, 2025
Nickel 1036 Inorganic Chemical 5 of 10 results Apr 10, 2006 Mar 24, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 15, 2011 Jul 20, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 5 of 5 results Dec 15, 2011 Jul 20, 2012
Radium-228 4030 Radionuclide 5 of 5 results Dec 15, 2011 Jul 20, 2012
Chloroform 2941 Organic Chemical 3 of 14 results Sep 13, 2007 Aug 21, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 3 of 18 results Jul 7, 2010 Nov 16, 2021
Bromodichloromethane 2943 Organic Chemical 2 of 14 results Sep 13, 2007 Aug 21, 2025
Dibromochloromethane 2944 Organic Chemical 2 of 14 results Oct 13, 2020 Aug 21, 2025
Sodium 1052 Inorganic Chemical 2 of 2 results Sep 26, 2019 Nov 13, 2023
Cadmium 1015 Inorganic Chemical 2 of 10 results Mar 22, 2004 Apr 10, 2006
Monobromoacetic Acid 2453 Organic Chemical 1 of 13 results Oct 13, 2020 Oct 13, 2020
Chromium 1020 Inorganic Chemical 1 of 10 results May 8, 2019 May 8, 2019

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 101–110 of 149 samples, newest first — collected August 30, 2011 to August 30, 2011. The summary above covers all 149.

20 results from the 10 samples listed here: 18 detected, 2 not detected. Across the whole record it is 181 of 639. 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 Highway 28 Water Association, every result from 101 to 110 of 149 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 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-047PB
Laboratory
MSDH Lab
0.0334 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-024PB
Laboratory
MSDH Lab
0.585 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0007 mg/l , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-023PB
Laboratory
MSDH Lab
0.3751 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0008 mg/l , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-022PB
Laboratory
MSDH Lab
0.6469 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0011 mg/l , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-050PB
Laboratory
MSDH Lab
0.0146 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0008 mg/l , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-021PB
Laboratory
MSDH Lab
0.1265 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0011 mg/l , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-049PB
Laboratory
MSDH Lab
0.0155 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0009 mg/l , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-048PB
Laboratory
MSDH Lab
0.0372 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0007 mg/l , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-046PB
Laboratory
MSDH Lab
0.0437 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Aug 30, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110902-020PB
Laboratory
MSDH Lab
0.4698 mg/l , sample collected Aug 30, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0025 mg/l , sample collected Aug 30, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011

Routine (10).