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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

MS0380106 , Long Creek Water Assn #2

25 of the 58 analytes this system has been tested for have been detected at least once, across 371 samples on record.

The other 33 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 371 samples on record, detections range from September 29, 2003 to September 16, 2025. 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 Water Assn #2, 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 180 of 180 results Sep 29, 2004 Jul 23, 2024
Lead 1030 Inorganic Chemical 55 of 180 results Sep 29, 2004 Jul 23, 2024
Barium 1010 Inorganic Chemical 26 of 26 results Sep 29, 2003 Feb 24, 2025
TTHM 2950 Organic Chemical 20 of 20 results Jun 21, 2004 Sep 16, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 15 results Sep 17, 2007 Sep 16, 2025
Dibromochloromethane 2944 Organic Chemical 15 of 15 results Sep 17, 2007 Sep 16, 2025
Chloroform 2941 Organic Chemical 14 of 15 results Sep 17, 2007 Sep 16, 2025
Chromium 1020 Inorganic Chemical 12 of 26 results Sep 29, 2003 Apr 28, 2020
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 9 of 21 results Sep 4, 2007 Jun 6, 2023
Sodium 1052 Inorganic Chemical 6 of 6 results Feb 15, 2022 Feb 11, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Mar 5, 2012 Oct 4, 2012
Gross Alpha Particle Activity 4109 Radionuclide 4 of 8 results Sep 6, 2011 Apr 2, 2012
Sulfate 1055 Inorganic Chemical 4 of 4 results Sep 29, 2003 Mar 1, 2004
Fluoride 1025 Inorganic Chemical 3 of 26 results Mar 28, 2005 Jan 8, 2024
Dichloroacetic Acid 2451 Organic Chemical 3 of 15 results Sep 28, 2009 Aug 13, 2019
Bromoform 2942 Organic Chemical 2 of 15 results Jun 3, 2024 Aug 20, 2024
Monobromoacetic Acid 2453 Organic Chemical 2 of 15 results Aug 13, 2019 Sep 8, 2020
Nickel 1036 Inorganic Chemical 2 of 26 results Mar 28, 2005 Mar 31, 2014
Cadmium 1015 Inorganic Chemical 2 of 26 results Mar 28, 2005 Mar 28, 2005
Dibromoacetic Acid 2454 Organic Chemical 1 of 15 results Sep 8, 2020 Sep 8, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 15 results Aug 27, 2018 Aug 27, 2018
Arsenic 1005 Inorganic Chemical 1 of 26 results Mar 31, 2014 Mar 31, 2014
Thallium, Total 1085 Inorganic Chemical 1 of 26 results Aug 31, 2009 Aug 31, 2009
Nitrite 1041 Inorganic Chemical 1 of 61 results Aug 17, 2005 Aug 17, 2005
Dichloromethane 2964 Organic Chemical 1 of 17 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 91–100 of 371 samples, newest first — collected March 17, 2020 to May 24, 2021. The summary above covers all 371.

39 results from the 10 samples listed here: 9 detected, 30 not detected. Across the whole record it is 385 of 1,462. 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 Water Assn #2, every result from 91 to 100 of 371 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
May 24, 2021 12:35
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
RU-210525-046
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected May 24, 2021 12:35, sampling point TF081 Combined Uranium 4006 EPA method 200.8 Jan 1, 2013 – Dec 31, 2021
Collected
Mar 9, 2021 13:20
Sampling point
TF084 Griggs Plant
Sample type
Routine
Lab sample
NI-210310-008
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 13:20, sampling point TF084 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 13:20, sampling point TF084 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 13:20, sampling point TF084 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Mar 9, 2021 13:05
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-210310-006
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 13:05, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 13:05, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 13:05, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Mar 9, 2021 12:50
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-210310-005
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 12:50, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 12:50, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 9, 2021 12:50, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Feb 24, 2021 12:50
Sampling point
TF084 Griggs Plant
Sample type
Routine
Lab sample
CN-210225-007
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Feb 24, 2021 12:50, sampling point TF084 Cyanide 1024 EPA method QC10204001X Jan 1, 2019 – Dec 31, 2021
Collected
Sep 9, 2020 13:21
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200910-004TH
Laboratory
MSDH Lab
1.51 ug/l , sample collected Sep 9, 2020 13:21, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 9, 2020 13:21, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
1.49 ug/l , sample collected Sep 9, 2020 13:21, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.16 ug/l , sample collected Sep 9, 2020 13:21, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
4.16 ug/l , sample collected Sep 9, 2020 13:21, sampling point MRT000 TTHM 2950 Jan 1, 2020 – Dec 31, 2020
Collected
Sep 8, 2020 13:21
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
200910-004HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 8, 2020 13:21, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 8, 2020 13:21, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 8, 2020 13:21, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
0.006 mg/l , sample collected Sep 8, 2020 13:21, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.001 mg/l , sample collected Sep 8, 2020 13:21, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Sep 8, 2020 13:21, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2020 – Dec 31, 2020
Collected
Apr 28, 2020 12:30
Sampling point
TF084 Griggs Plant
Sample type
Routine
Lab sample
200429-040IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Arsenic 1005 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.0386 mg/l , sample collected Apr 28, 2020 12:30, sampling point TF084 Barium 1010 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Cadmium 1015 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
0.0011 mg/l , sample collected Apr 28, 2020 12:30, sampling point TF084 Chromium 1020 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Mercury 1035 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Selenium 1045 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Antimony, Total 1074 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 28, 2020 12:30, sampling point TF084 Thallium, Total 1085 EPA method 200.8 Jan 1, 2019 – Dec 31, 2021
Collected
Mar 17, 2020 13:05
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
200318-013NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 13:05, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 13:05, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 13:05, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Mar 17, 2020 12:50
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
200318-012NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 12:50, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 12:50, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 17, 2020 12:50, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020

Routine (10).