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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 161–170 of 210 samples, newest first — collected July 12, 2007 to November 6, 2007. The summary above covers all 210.

68 results from the 10 samples listed here: 12 detected, 56 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.

Units in this table

Xylenes, Total is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Mt Zion Water Association, every result from 161 to 170 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
Nov 6, 2007
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
071107-008VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Benzene 2990 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Toluene 2991 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Nov 6, 2007, sampling point TF103 Styrene 2996 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Collected
Sep 17, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070918-024HA
Laboratory
MSDH Lab
Not detected below 0.002 mg/l Minimum Reporting Level , sample collected Sep 17, 2007, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.012 mg/l , sample collected Sep 17, 2007, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.014 mg/l , sample collected Sep 17, 2007, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 17, 2007, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
0.002 mg/l , sample collected Sep 17, 2007, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.028 mg/l , sample collected Sep 17, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2005 – Dec 31, 2007
Collected
Sep 17, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070918-020TH
Laboratory
MSDH Lab
43 ug/l , sample collected Sep 17, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 17, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
24.1 ug/l , sample collected Sep 17, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
8.23 ug/l , sample collected Sep 17, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
75.33 ug/l , sample collected Sep 17, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 20, 2007
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
070821-018VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
0.567 ug/l , sample collected Aug 20, 2007, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Benzene 2990 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Toluene 2991 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 20, 2007, sampling point TF103 Styrene 2996 EPA method 524.2 Jul 1, 2007 – Sep 30, 2007
Collected
Jul 23, 2007
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
070724-080NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jul 23, 2007
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
070724-071NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF103 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jul 23, 2007
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
070724-076NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 23, 2007, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jul 12, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070713-238PB
Laboratory
MSDH Lab
0.5631 mg/l , sample collected Jul 12, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 12, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 12, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070713-227PB
Laboratory
MSDH Lab
0.0908 mg/l , sample collected Jul 12, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 12, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Collected
Jul 12, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070713-236PB
Laboratory
MSDH Lab
0.0434 mg/l , sample collected Jul 12, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 12, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2006 – Dec 31, 2008

Routine (10).