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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

MS0250014 , Mt Olive Water Association

51 of the 74 analytes this system has been tested for have been detected at least once, across 336 samples on record.

The other 23 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 336 samples on record, detections range from October 18, 1993 to June 25, 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 Mt Olive 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 127 of 132 results Oct 18, 1993 Jun 30, 2023
Lead 1030 Inorganic Chemical 98 of 132 results Oct 19, 1993 Jun 30, 2023
Fluoride 1025 Inorganic Chemical 24 of 24 results Sep 15, 2003 Feb 18, 2025
TTHM 2950 Organic Chemical 22 of 22 results Jun 7, 2004 Jun 25, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 21 of 24 results Sep 5, 2007 Jun 25, 2026
Barium 1010 Inorganic Chemical 20 of 20 results Sep 15, 2003 Feb 18, 2025
Trichloroacetic Acid 2452 Organic Chemical 17 of 18 results Jul 25, 2013 Jun 25, 2026
Dichloroacetic Acid 2451 Organic Chemical 16 of 18 results Sep 23, 2008 Jun 25, 2026
Chloroform 2941 Organic Chemical 16 of 17 results Jul 31, 2007 Jun 25, 2026
Bromodichloromethane 2943 Organic Chemical 16 of 17 results Jul 31, 2007 Jun 25, 2026
Dibromochloromethane 2944 Organic Chemical 12 of 17 results Jul 31, 2007 May 5, 2025
Sodium 1052 Inorganic Chemical 10 of 10 results Apr 26, 2010 Feb 7, 2024
Selenium 1045 Inorganic Chemical 7 of 20 results Nov 15, 2004 Apr 14, 2008
Sulfate 1055 Inorganic Chemical 6 of 6 results Sep 15, 2003 Mar 11, 2021
Chromium 1020 Inorganic Chemical 6 of 20 results Mar 13, 2005 Mar 11, 2015
Xylenes, Total 2955 Organic Chemical 6 of 54 results Apr 5, 2004 Sep 10, 2008
Nickel 1036 Inorganic Chemical 6 of 20 results Sep 15, 2003 Apr 14, 2008
Gross Alpha Particle Activity 4109 Radionuclide 5 of 5 results Apr 19, 2012 Jan 23, 2013
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 5 results Dec 15, 2011 Jul 13, 2012
Calcium 1016 Inorganic Chemical 4 of 4 results Apr 26, 2010 Mar 11, 2021
Chloride 1017 Inorganic Chemical 4 of 4 results Apr 26, 2010 Mar 11, 2021
Color 1905 Water Quality 4 of 4 results Apr 26, 2010 Mar 11, 2021
Alkalinity, Total 1927 Water Quality 4 of 4 results Apr 26, 2010 Mar 11, 2021
Dibromoacetic Acid 2454 Organic Chemical 4 of 18 results Jul 25, 2013 Aug 26, 2020
Bromoform 2942 Organic Chemical 3 of 17 results Jul 25, 2019 Feb 28, 2024
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 45 results Aug 8, 2005 Feb 19, 2014
Nitrate 1040 Inorganic Chemical 3 of 45 results Aug 8, 2005 Feb 19, 2014
Carbon Tetrachloride 2982 Organic Chemical 3 of 54 results Oct 18, 2006 May 21, 2007
Nitrite 1041 Inorganic Chemical 3 of 45 results Aug 8, 2005 Aug 15, 2006
Cadmium 1015 Inorganic Chemical 3 of 20 results Sep 15, 2003 Mar 13, 2005
Ethylbenzene 2992 Organic Chemical 3 of 54 results Apr 5, 2004 Apr 21, 2004
Conductivity @ 25 C Umhos/CM 1064 Water Quality 2 of 2 results Mar 11, 2021 Mar 11, 2021
Magnesium 1031 Inorganic Chemical 2 of 2 results Apr 26, 2010 Apr 26, 2010
Manganese 1032 Inorganic Chemical 2 of 2 results Apr 26, 2010 Apr 26, 2010
Potassium 1042 Inorganic Chemical 2 of 2 results Apr 26, 2010 Apr 26, 2010
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Apr 26, 2010 Apr 26, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Apr 26, 2010 Apr 26, 2010
Carbon Dioxide 1901 Water Quality 2 of 2 results Apr 26, 2010 Apr 26, 2010
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Apr 26, 2010 Apr 26, 2010
Iron, Field Result FEFD Inorganic Chemical 2 of 2 results Apr 26, 2010 Apr 26, 2010
Calculated Sodium NACA Water Quality 2 of 2 results Apr 26, 2010 Apr 26, 2010
PH, Field Result PHFD Water Quality 2 of 2 results Apr 26, 2010 Apr 26, 2010
Toluene 2991 Organic Chemical 2 of 54 results Apr 21, 2004 Apr 21, 2004
Antimony, Total 1074 Inorganic Chemical 1 of 20 results Feb 18, 2025 Feb 18, 2025
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 10 results Sep 28, 2012 Sep 28, 2012
Radium-226 4020 Radionuclide 1 of 10 results Sep 28, 2012 Sep 28, 2012
Radium-228 4030 Radionuclide 1 of 10 results Sep 28, 2012 Sep 28, 2012
Iron 1028 Inorganic Chemical 1 of 2 results Apr 26, 2010 Apr 26, 2010
Monobromoacetic Acid 2453 Organic Chemical 1 of 18 results Sep 23, 2008 Sep 23, 2008
Arsenic 1005 Inorganic Chemical 1 of 20 results Feb 7, 2006 Feb 7, 2006
Benzene 2990 Organic Chemical 1 of 54 results Sep 21, 2005 Sep 21, 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 161–170 of 336 samples, newest first — collected June 30, 2010 to July 27, 2011. The summary above covers all 336.

62 results from the 10 samples listed here: 7 detected, 55 not detected. Across the whole record it is 513 of 2,088. 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 Olive Water Association, every result from 161 to 170 of 336 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
Jul 27, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110729-080PB
Laboratory
MSDH Lab
0.0242 mg/l , sample collected Jul 27, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0011 mg/l , sample collected Jul 27, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 27, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110729-078PB
Laboratory
MSDH Lab
0.6344 mg/l , sample collected Jul 27, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 27, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 26, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110729-074PB
Laboratory
MSDH Lab
0.1874 mg/l , sample collected Jul 26, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0006 mg/l , sample collected Jul 26, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jul 26, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110729-079PB
Laboratory
MSDH Lab
0.4326 mg/l , sample collected Jul 26, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0008 mg/l , sample collected Jul 26, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 1, 2011
Sampling point
TF102
Sample type
Routine
Lab sample
110603-002VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF102 Styrene 2996 EPA method 524.2 Not recorded
Collected
Jun 1, 2011
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110603-001VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 1, 2011, sampling point TF101 Styrene 2996 EPA method 524.2 Not recorded
Collected
Feb 8, 2011
Sampling point
TF102
Sample type
Routine
Lab sample
110209-002NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 8, 2011, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 8, 2011, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 8, 2011, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Feb 8, 2011
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
110209-001NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 8, 2011, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 8, 2011, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 8, 2011, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Jun 30, 2010
Sampling point
TF102
Sample type
Routine
Lab sample
100701-057NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 30, 2010, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 30, 2010, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 30, 2010, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Collected
Jun 30, 2010
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
100701-056NI
Laboratory
MSDH Lab
Not detected below 0.25 mg/l Minimum Reporting Level , sample collected Jun 30, 2010, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.2 mg/l Minimum Reporting Level , sample collected Jun 30, 2010, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010
Not detected below 0.05 mg/l Minimum Reporting Level , sample collected Jun 30, 2010, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2010 – Dec 31, 2010

Routine (10).