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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

MS0780008 , Mt Zion Water Association

36 of the 73 analytes this system has been tested for have been detected at least once, across 210 samples on record.

The other 37 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 210 samples on record, detections range from November 3, 2003 to March 31, 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 Mt Zion 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 31 of 31 results Jul 12, 2007 Aug 14, 2023
Fluoride 1025 Inorganic Chemical 23 of 26 results Nov 3, 2003 Mar 31, 2025
Barium 1010 Inorganic Chemical 22 of 22 results Nov 3, 2003 Mar 31, 2025
Lead 1030 Inorganic Chemical 19 of 31 results Jun 20, 2011 Aug 14, 2023
Chromium 1020 Inorganic Chemical 17 of 22 results Nov 3, 2003 Mar 31, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 15 of 15 results Mar 12, 2012 Oct 2, 2012
Nickel 1036 Inorganic Chemical 9 of 22 results Apr 5, 2004 Mar 31, 2025
TTHM 2950 Organic Chemical 8 of 8 results Sep 20, 2004 Mar 3, 2025
Sodium 1052 Inorganic Chemical 8 of 8 results Jul 20, 2006 Mar 20, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 8 results Sep 17, 2007 Mar 3, 2025
Selenium 1045 Inorganic Chemical 7 of 22 results Apr 5, 2004 Apr 14, 2008
Arsenic 1005 Inorganic Chemical 6 of 22 results Apr 5, 2004 Mar 31, 2025
Calcium 1016 Inorganic Chemical 4 of 4 results Jul 20, 2006 Sep 29, 2017
Chloride 1017 Inorganic Chemical 4 of 4 results Jul 20, 2006 Sep 29, 2017
Magnesium 1031 Inorganic Chemical 4 of 4 results Jul 20, 2006 Sep 29, 2017
Manganese 1032 Inorganic Chemical 4 of 4 results Jul 20, 2006 Sep 29, 2017
Potassium 1042 Inorganic Chemical 4 of 4 results Jul 20, 2006 Sep 29, 2017
Residue, Total, Filterable 1057 Water Quality 4 of 4 results Jul 20, 2006 Sep 29, 2017
Color 1905 Water Quality 4 of 4 results Jul 20, 2006 Sep 29, 2017
Hardness, Total (As Caco3) 1915 Water Quality 4 of 4 results Jul 20, 2006 Sep 29, 2017
Alkalinity, Total 1927 Water Quality 4 of 4 results Jul 20, 2006 Sep 29, 2017
Calculated Sodium NACA Water Quality 4 of 4 results Jul 20, 2006 Sep 29, 2017
PH, Field Result PHFD Water Quality 4 of 4 results Jul 20, 2006 Sep 29, 2017
Dichloroacetic Acid 2451 Organic Chemical 4 of 4 results Sep 17, 2007 Aug 29, 2016
Trichloroacetic Acid 2452 Organic Chemical 4 of 4 results Sep 17, 2007 Aug 29, 2016
Dibromoacetic Acid 2454 Organic Chemical 4 of 4 results Sep 17, 2007 Aug 29, 2016
Chloroform 2941 Organic Chemical 4 of 4 results Sep 17, 2007 Aug 29, 2016
Bromodichloromethane 2943 Organic Chemical 4 of 4 results Sep 17, 2007 Aug 29, 2016
Dibromochloromethane 2944 Organic Chemical 4 of 4 results Sep 17, 2007 Aug 29, 2016
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Aug 25, 2009 Sep 29, 2017
Iron, Field Result FEFD Inorganic Chemical 3 of 4 results Jul 20, 2006 Sep 29, 2017
Iron 1028 Inorganic Chemical 2 of 4 results Sep 29, 2017 Sep 29, 2017
Carbon Dioxide 1901 Water Quality 2 of 2 results Jul 20, 2006 Aug 25, 2009
Xylenes, Total 2955 Organic Chemical 2 of 27 results Dec 11, 2006 Aug 20, 2007
Sulfate 1055 Inorganic Chemical 2 of 8 results Nov 3, 2003 Nov 3, 2003
PH 1925 Water Quality 1 of 1 result Jul 20, 2006 Jul 20, 2006

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 210 samples, newest first — collected July 11, 2016 to December 12, 2016. The summary above covers all 210.

81 results from the 10 samples listed here: 15 detected, 66 not detected. Across the whole record it is 255 of 1,264. 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 Mt Zion Water Association, every result from 61 to 70 of 210 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
Dec 12, 2016 01:20
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
161213-128IN
Laboratory
MSDH Lab
0.0006 mg/l , sample collected Dec 12, 2016 01:20, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0078 mg/l , sample collected Dec 12, 2016 01:20, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.0029 mg/l , sample collected Dec 12, 2016 01:20, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
0.258 mg/l , sample collected Dec 12, 2016 01:20, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:20, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2016 – Dec 31, 2018
Collected
Dec 12, 2016 12:25
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
161213-127IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:25, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0081 mg/l , sample collected Dec 12, 2016 12:25, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:25, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0023 mg/l , sample collected Dec 12, 2016 12:25, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.256 mg/l , sample collected Dec 12, 2016 12:25, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:25, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:25, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:25, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:25, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:25, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:25, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Dec 12, 2016 01:00
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
161213-006CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 01:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2016 – Dec 31, 2018
Collected
Dec 12, 2016 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
161213-005CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 12, 2016 12:15, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2014 – Dec 31, 2016
Collected
Nov 28, 2016 12:20
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
161129-035NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 28, 2016 12:20, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Nov 28, 2016 12:20, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 28, 2016 12:20, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
Sep 19, 2016 02:00
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
160920-020VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 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 19, 2016 02:00, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Sep 19, 2016 01:45
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
160920-019VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, 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 19, 2016 01:45, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Aug 29, 2016 01:05
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
160830-013TH
Laboratory
MSDH Lab
41.1 ug/l , sample collected Aug 29, 2016 01:05, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Aug 29, 2016 01:05, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
23 ug/l , sample collected Aug 29, 2016 01:05, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
8.83 ug/l , sample collected Aug 29, 2016 01:05, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
73 ug/l , sample collected Aug 29, 2016 01:05, sampling point MRT000 TTHM 2950 Jan 1, 2014 – Dec 31, 2016
Collected
Aug 29, 2016 01:15
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
160830-013HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Aug 29, 2016 01:15, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.013 mg/l , sample collected Aug 29, 2016 01:15, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.018 mg/l , sample collected Aug 29, 2016 01:15, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Aug 29, 2016 01:15, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Aug 29, 2016 01:15, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.033 mg/l , sample collected Aug 29, 2016 01:15, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 11, 2016 12:45
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
160712-008CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 11, 2016 12:45, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2016 – Dec 31, 2018

Routine (10).