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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

MS0380128 , Long Creek W/A (Whynot)

23 of the 57 analytes this system has been tested for have been detected at least once, across 216 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 216 samples on record, detections range from September 29, 2003 to July 20, 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 Long Creek W/A (Whynot), 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 90 of 90 results Sep 15, 2004 Aug 29, 2023
Lead 1030 Inorganic Chemical 37 of 90 results Jul 25, 2006 Aug 29, 2023
TTHM 2950 Organic Chemical 20 of 20 results Jun 21, 2004 Sep 16, 2025
Barium 1010 Inorganic Chemical 15 of 15 results Sep 29, 2003 Jul 9, 2026
Chloroform 2941 Organic Chemical 15 of 15 results Aug 13, 2007 Sep 16, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 15 results Aug 13, 2007 Sep 16, 2025
Dibromochloromethane 2944 Organic Chemical 15 of 15 results Aug 13, 2007 Sep 16, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 10 of 20 results Sep 28, 2009 Sep 16, 2025
Fluoride 1025 Inorganic Chemical 7 of 15 results Sep 29, 2003 Jul 20, 2026
Dichloroacetic Acid 2451 Organic Chemical 6 of 15 results Sep 28, 2009 Sep 16, 2025
Bromoform 2942 Organic Chemical 6 of 15 results Sep 28, 2009 Sep 16, 2025
Sodium 1052 Inorganic Chemical 5 of 5 results Sep 18, 2019 Jun 22, 2026
Dibromoacetic Acid 2454 Organic Chemical 4 of 15 results Jul 6, 2015 Sep 16, 2025
Chromium 1020 Inorganic Chemical 3 of 15 results Sep 29, 2003 Apr 13, 2015
Monobromoacetic Acid 2453 Organic Chemical 2 of 15 results Aug 13, 2019 Sep 8, 2020
Trichloroacetic Acid 2452 Organic Chemical 2 of 15 results Jul 6, 2015 Aug 13, 2019
Sulfate 1055 Inorganic Chemical 2 of 2 results Sep 29, 2003 Mar 1, 2004
Xylenes, Total 2955 Organic Chemical 1 of 13 results Jul 16, 2024 Jul 16, 2024
Mercury 1035 Inorganic Chemical 1 of 15 results Apr 15, 2024 Apr 15, 2024
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Jul 6, 2015 Jul 6, 2015
Nickel 1036 Inorganic Chemical 1 of 13 results Feb 27, 2006 Feb 27, 2006
Selenium 1045 Inorganic Chemical 1 of 15 results Feb 27, 2006 Feb 27, 2006
Dichloromethane 2964 Organic Chemical 1 of 13 results Aug 9, 2004 Aug 9, 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 131–140 of 216 samples, newest first — collected August 11, 2010 to July 17, 2012. The summary above covers all 216.

35 results from the 10 samples listed here: 1 detected, 34 not detected. Across the whole record it is 260 of 940. 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 Long Creek W/A (Whynot), every result from 131 to 140 of 216 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 17, 2012 12:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120718-051RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 17, 2012 12:10, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jul 1, 2012 – Sep 30, 2012
Collected
May 2, 2012 12:28
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120503-061IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0148 mg/l , sample collected May 2, 2012 12:28, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 2, 2012 12:28, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Apr 23, 2012 13:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120424-049
Laboratory
Radiation Safety Engineering
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Apr 23, 2012 13:10, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.509 pci/l Minimum Reporting Level , sample collected Apr 23, 2012 13:10, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.509 pci/l Minimum Reporting Level , sample collected Apr 23, 2012 13:10, sampling point TF101 Radium-226 4020 EPA method 903.1 Apr 1, 2012 – Jun 30, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Apr 23, 2012 13:10, sampling point TF101 Radium-228 4030 EPA method 904.0 Apr 1, 2012 – Jun 30, 2012
Collected
Apr 23, 2012 13:10
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120424-049RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 23, 2012 13:10, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Apr 1, 2012 – Jun 30, 2012
Collected
Feb 27, 2012 12:18
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120228-005
Laboratory
Radiation Safety Engineering
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Feb 27, 2012 12:18, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.509 pci/l Minimum Reporting Level , sample collected Feb 27, 2012 12:18, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.509 pci/l Minimum Reporting Level , sample collected Feb 27, 2012 12:18, sampling point TF101 Radium-226 4020 EPA method 903.1 Jan 1, 2012 – Mar 31, 2012
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Feb 27, 2012 12:18, sampling point TF101 Radium-228 4030 EPA method 904.0 Jan 1, 2012 – Mar 31, 2012
Collected
Feb 27, 2012 12:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120228-005RU
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Feb 27, 2012 12:20, sampling point TF101 Combined Uranium 4006 EPA method 200.8 Jan 1, 2012 – Mar 31, 2012
Collected
Feb 22, 2012 01:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
120223-105NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 22, 2012 01:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 22, 2012 01:15, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 22, 2012 01:15, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2012 – Dec 31, 2012
Collected
Dec 12, 2011 12:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
111213-037
Laboratory
Radiation Safety Engineering
Not detected below 0.47 pci/l Minimum Reporting Level , sample collected Dec 12, 2011 12:30, sampling point TF101 Gross Alpha, Incl. Radon & U 4002 EPA method 00-02 Not recorded
Not detected below 0.509 pci/l Minimum Reporting Level , sample collected Dec 12, 2011 12:30, sampling point TF101 Combined Radium (-226 & -228) 4010 Not recorded
Not detected below 0.509 pci/l Minimum Reporting Level , sample collected Dec 12, 2011 12:30, sampling point TF101 Radium-226 4020 EPA method 903.1 Oct 1, 2011 – Dec 31, 2011
Not detected below 0.4 pci/l Minimum Reporting Level , sample collected Dec 12, 2011 12:30, sampling point TF101 Radium-228 4030 EPA method 904.0 Oct 1, 2011 – Dec 31, 2011
Collected
Feb 23, 2011
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110224-053NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 23, 2011, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 23, 2011, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 23, 2011, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Aug 11, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100812-018NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Aug 11, 2010, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Aug 11, 2010, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Aug 11, 2010, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010

Routine (10).