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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 21–30 of 336 samples, newest first — collected June 30, 2023 to February 28, 2024. The summary above covers all 336.

29 results from the 10 samples listed here: 16 detected, 13 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.

We withheld the location of 6 sampling points below. The location on record identifies a private home, and we do not publish those. That is our decision, not the agency’s. The sampling point, its type and every result taken there are published unchanged.

Chemical and radiological sample results for Mt Olive Water Association, every result from 21 to 30 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
Feb 28, 2024 11:02
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-95680-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 11:02, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 11:02, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
1.1 ug/l , sample collected Feb 28, 2024 11:02, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 11:02, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 11:02, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Feb 28, 2024 11:02, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2024 – Mar 31, 2024
4.7 ug/l , sample collected Feb 28, 2024 11:02, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
3 ug/l , sample collected Feb 28, 2024 11:02, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
5.5 ug/l , sample collected Feb 28, 2024 11:02, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
8.2 ug/l , sample collected Feb 28, 2024 11:02, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
21.4 ug/l , sample collected Feb 28, 2024 11:02, sampling point SM1 TTHM 2950 EPA method 524.2 Jan 1, 2024 – Mar 31, 2024
Collected
Feb 7, 2024 08:40
Sampling point
TF102
Sample type
Routine
Lab sample
NI-240207-060
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 08:40, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 08:40, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 08:40, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 7, 2024 08:59
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240207-059
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 08:59, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 08:59, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 7, 2024 08:59, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Feb 7, 2024 08:40
Sampling point
TF102
Sample type
Routine
Lab sample
NA-240208-020
Laboratory
MSDH Lab
82.3 mg/l , sample collected Feb 7, 2024 08:40, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Feb 7, 2024 08:59
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-240208-019
Laboratory
MSDH Lab
82.4 mg/l , sample collected Feb 7, 2024 08:59, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2022 – Dec 31, 2024
Collected
Jun 30, 2023 18:28
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-230705-039
Laboratory
MSDH Lab
0.51 mg/l , sample collected Jun 30, 2023 18:28, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2023 18:28, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 30, 2023 17:00
Sampling point
LC0009 Location withheld
Sample type
Routine
Lab sample
PB-230705-038
Laboratory
MSDH Lab
0.0489 mg/l , sample collected Jun 30, 2023 17:00, sampling point LC0009 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
3.7 ug/l , sample collected Jun 30, 2023 17:00, sampling point LC0009 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 30, 2023 17:00
Sampling point
LC0018 Location withheld
Sample type
Routine
Lab sample
PB-230705-037
Laboratory
MSDH Lab
0.045 mg/l , sample collected Jun 30, 2023 17:00, sampling point LC0018 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1.8 ug/l , sample collected Jun 30, 2023 17:00, sampling point LC0018 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 30, 2023 12:00
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-230705-036
Laboratory
MSDH Lab
0.661 mg/l , sample collected Jun 30, 2023 12:00, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
0.5 ug/l , sample collected Jun 30, 2023 12:00, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 30, 2023 17:00
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-230705-035
Laboratory
MSDH Lab
0.589 mg/l , sample collected Jun 30, 2023 17:00, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 30, 2023 17:00, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023

Routine (10).