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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 111–120 of 216 samples, newest first — collected July 29, 2014 to March 30, 2015. The summary above covers all 216.

39 results from the 10 samples listed here: 8 detected, 31 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 111 to 120 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
Mar 30, 2015 13:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150331-076NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 30, 2015 13:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 30, 2015 13:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 30, 2015 13:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015
Collected
Mar 9, 2015 02:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
150310-021CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 9, 2015 02:40, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Sep 16, 2014 12:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
140917-004VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 16, 2014 12:45, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Jul 29, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-135PB
Laboratory
MSDH Lab
0.3982 mg/l , sample collected Jul 29, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 29, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 29, 2014 07:01
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-134PB
Laboratory
MSDH Lab
0.0448 mg/l , sample collected Jul 29, 2014 07:01, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 29, 2014 07:01, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 29, 2014 06:59
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-133PB
Laboratory
MSDH Lab
0.0436 mg/l , sample collected Jul 29, 2014 06:59, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 29, 2014 06:59, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 29, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-132PB
Laboratory
MSDH Lab
0.2573 mg/l , sample collected Jul 29, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 29, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 29, 2014 07:10
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-131PB
Laboratory
MSDH Lab
0.7162 mg/l , sample collected Jul 29, 2014 07:10, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
0.0009 mg/l , sample collected Jul 29, 2014 07:10, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 29, 2014 07:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-129PB
Laboratory
MSDH Lab
0.3779 mg/l , sample collected Jul 29, 2014 07:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 29, 2014 07:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Collected
Jul 29, 2014 07:05
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
140730-128PB
Laboratory
MSDH Lab
0.0856 mg/l , sample collected Jul 29, 2014 07:05, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 29, 2014 07:05, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2012 – Dec 31, 2014

Routine (10).