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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 61–70 of 216 samples, newest first — collected February 15, 2022 to August 29, 2023. The summary above covers all 216.

43 results from the 10 samples listed here: 8 detected, 35 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.

We withheld the location of 1 sampling point below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Long Creek W/A (Whynot), every result from 61 to 70 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
Aug 29, 2023 08:30
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-230830-081
Laboratory
MSDH Lab
0.104 mg/l , sample collected Aug 29, 2023 08:30, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.9 ug/l , sample collected Aug 29, 2023 08:30, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 6, 2023 13:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230607-010
Laboratory
MSDH Lab
2.62 ug/l , sample collected Jun 6, 2023 13:10, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Jun 6, 2023 13:10
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230607-010
Laboratory
MSDH Lab
6.3 ug/l , sample collected Jun 6, 2023 13:10, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Aug 29, 2022 12:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-220830-065
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0163 mg/l , sample collected Aug 29, 2022 12:40, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 12:40, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 20, 2022 13:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-220621-031
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 20, 2022 13:00, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
May 9, 2022 12:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-220510-011
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 9, 2022 12:05, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 3, 2022 13:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-220504-026
Laboratory
MSDH Lab
1.91 ug/l , sample collected May 3, 2022 13:05, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
May 3, 2022 13:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220504-026
Laboratory
MSDH Lab
4.96 ug/l , sample collected May 3, 2022 13:05, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 15, 2022 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-220216-050
Laboratory
MSDH Lab
58.5 mg/l , sample collected Feb 15, 2022 14:00, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 15, 2022 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220216-084
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 15, 2022 14:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 15, 2022 14:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 15, 2022 14:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022

Routine (10).