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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

MS0730025 , Hwy 30 West Water Association

25 of the 57 analytes this system has been tested for have been detected at least once, across 219 samples on record.

The other 32 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 219 samples on record, detections range from October 29, 2003 to June 24, 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 Hwy 30 West 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 64 of 64 results Aug 16, 2007 Aug 10, 2023
Lead 1030 Inorganic Chemical 42 of 64 results Aug 16, 2007 Aug 10, 2023
Barium 1010 Inorganic Chemical 22 of 22 results Oct 29, 2003 Jun 24, 2026
Fluoride 1025 Inorganic Chemical 22 of 22 results Oct 29, 2003 Jun 24, 2026
Chromium 1020 Inorganic Chemical 20 of 22 results Oct 29, 2003 Apr 8, 2025
Selenium 1045 Inorganic Chemical 19 of 22 results Oct 29, 2003 Jun 24, 2026
Nickel 1036 Inorganic Chemical 17 of 20 results Nov 24, 2003 Apr 8, 2025
Arsenic 1005 Inorganic Chemical 14 of 22 results Apr 5, 2004 Jun 24, 2026
TTHM 2950 Organic Chemical 12 of 19 results Sep 17, 2007 Sep 30, 2025
Radium-226 4020 Radionuclide 12 of 12 results Mar 13, 2012 Oct 16, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 11 of 12 results Mar 13, 2012 Oct 16, 2019
Combined Radium (-226 & -228) 4010 Radionuclide 11 of 12 results Mar 13, 2012 Oct 16, 2019
Radium-228 4030 Radionuclide 11 of 12 results Mar 13, 2012 Oct 16, 2019
Bromoform 2942 Organic Chemical 8 of 14 results Sep 16, 2013 Sep 30, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 20, 2019 Jun 24, 2026
Dibromochloromethane 2944 Organic Chemical 5 of 14 results Oct 26, 2020 Jun 2, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 19 results Jul 12, 2010 Jul 29, 2024
Sulfate 1055 Inorganic Chemical 3 of 4 results Oct 29, 2003 Apr 5, 2004
Dibromoacetic Acid 2454 Organic Chemical 2 of 14 results Oct 26, 2020 Feb 10, 2025
Bromodichloromethane 2943 Organic Chemical 2 of 14 results Dec 5, 2024 Feb 10, 2025
Cyanide 1024 Inorganic Chemical 2 of 20 results Apr 12, 2010 Jul 6, 2016
Monobromoacetic Acid 2453 Organic Chemical 1 of 14 results Oct 26, 2020 Oct 26, 2020
Nitrite 1041 Inorganic Chemical 1 of 42 results Aug 7, 2006 Aug 7, 2006
Nitrate 1040 Inorganic Chemical 1 of 42 results Oct 3, 2005 Oct 3, 2005
Cadmium 1015 Inorganic Chemical 1 of 22 results May 2, 2005 May 2, 2005

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 41–50 of 219 samples, newest first — collected April 6, 2022 to April 5, 2023. The summary above covers all 219.

74 results from the 10 samples listed here: 13 detected, 61 not detected. Across the whole record it is 313 of 1,040. 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 Hwy 30 West Water Association, every result from 41 to 50 of 219 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
Apr 5, 2023 14:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-230406-011
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 5, 2023 14:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 5, 2023 14:30, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 5, 2023 14:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Dec 6, 2022 13:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-221207-052
Laboratory
MSDH Lab
0.0033 mg/l , sample collected Dec 6, 2022 13:10, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.2 mg/l , sample collected Dec 6, 2022 13:10, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 6, 2022 13:10, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0008 mg/l , sample collected Dec 6, 2022 13:10, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.176 mg/l , sample collected Dec 6, 2022 13:10, sampling point TF102 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 Dec 6, 2022 13:10, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0018 mg/l , sample collected Dec 6, 2022 13:10, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.0046 mg/l , sample collected Dec 6, 2022 13:10, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 6, 2022 13:10, sampling point TF102 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 Dec 6, 2022 13:10, sampling point TF102 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 Dec 6, 2022 13:10, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Dec 6, 2022 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-221207-051
Laboratory
MSDH Lab
0.0027 mg/l , sample collected Dec 6, 2022 13:30, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.194 mg/l , sample collected Dec 6, 2022 13:30, 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 Dec 6, 2022 13:30, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0005 mg/l , sample collected Dec 6, 2022 13:30, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.174 mg/l , sample collected Dec 6, 2022 13:30, 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 Dec 6, 2022 13:30, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0015 mg/l , sample collected Dec 6, 2022 13:30, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
0.0044 mg/l , sample collected Dec 6, 2022 13:30, 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 Dec 6, 2022 13:30, 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 Dec 6, 2022 13:30, 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 Dec 6, 2022 13:30, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Oct 18, 2022 15:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-221019-004
Laboratory
MSDH Lab
3.32 ug/l , sample collected Oct 18, 2022 15:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Oct 18, 2022 15:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-221019-004
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Oct 18, 2022 15:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Oct 5, 2022 16:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-221006-027
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 5, 2022 16:00, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Oct 5, 2022 15:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-221006-026
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Oct 5, 2022 15:40, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
Sep 26, 2022 14:15
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
VO-220927-008
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:15, sampling point TF102 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 Sep 26, 2022 14:15, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:15, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:15, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:15, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:15, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:15, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Sep 26, 2022 14:40
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
VO-220927-007
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, 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 Sep 26, 2022 14:40, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Apr 6, 2022 13:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-220407-004
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 6, 2022 13:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 6, 2022 13:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 6, 2022 13:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022

Routine (10).