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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

MS0650013 , White Oak Water Association

42 of the 74 analytes this system has been tested for have been detected at least once, across 273 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 273 samples on record, detections range from October 27, 2003 to July 1, 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 White Oak 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 61 of 61 results Aug 14, 2007 Aug 2, 2023
Lead 1030 Inorganic Chemical 37 of 61 results Aug 14, 2007 Aug 2, 2023
Barium 1010 Inorganic Chemical 33 of 34 results Oct 27, 2003 Jul 1, 2026
Fluoride 1025 Inorganic Chemical 31 of 36 results Mar 29, 2004 Jul 1, 2026
TTHM 2950 Organic Chemical 21 of 21 results Aug 16, 2004 May 5, 2026
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 18 of 21 results Sep 10, 2007 May 5, 2026
Chloroform 2941 Organic Chemical 15 of 15 results Sep 10, 2007 May 5, 2026
Chromium 1020 Inorganic Chemical 15 of 34 results Oct 27, 2003 Apr 8, 2025
Bromodichloromethane 2943 Organic Chemical 14 of 15 results Sep 10, 2007 May 5, 2026
Dibromochloromethane 2944 Organic Chemical 14 of 15 results Sep 10, 2007 May 5, 2026
Dichloroacetic Acid 2451 Organic Chemical 12 of 14 results Aug 30, 2010 May 5, 2026
Trichloroacetic Acid 2452 Organic Chemical 12 of 14 results Aug 30, 2010 May 5, 2026
Sodium 1052 Inorganic Chemical 11 of 11 results Jun 4, 2009 Jul 1, 2026
Bromoform 2942 Organic Chemical 6 of 15 results May 21, 2024 May 5, 2026
Dibromoacetic Acid 2454 Organic Chemical 5 of 14 results May 21, 2024 May 5, 2026
Nickel 1036 Inorganic Chemical 4 of 31 results Feb 8, 2010 Feb 12, 2024
Selenium 1045 Inorganic Chemical 4 of 34 results Mar 29, 2004 Apr 10, 2006
Nitrite 1041 Inorganic Chemical 3 of 54 results Jul 31, 2006 May 13, 2020
Calcium 1016 Inorganic Chemical 2 of 2 results Jun 4, 2009 Jun 4, 2009
Iron 1028 Inorganic Chemical 2 of 2 results Jun 4, 2009 Jun 4, 2009
Manganese 1032 Inorganic Chemical 2 of 2 results Jun 4, 2009 Jun 4, 2009
Potassium 1042 Inorganic Chemical 2 of 2 results Jun 4, 2009 Jun 4, 2009
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
Carbon Dioxide 1901 Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
Color 1905 Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
PH 1925 Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
Alkalinity, Total 1927 Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
Iron, Field Result FEFD Inorganic Chemical 2 of 2 results Jun 4, 2009 Jun 4, 2009
Calculated Sodium NACA Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
PH, Field Result PHFD Water Quality 2 of 2 results Jun 4, 2009 Jun 4, 2009
Cadmium 1015 Inorganic Chemical 2 of 34 results Apr 10, 2006 Apr 10, 2006
Arsenic 1005 Inorganic Chemical 1 of 34 results Feb 12, 2024 Feb 12, 2024
Monobromoacetic Acid 2453 Organic Chemical 1 of 14 results Oct 14, 2020 Oct 14, 2020
Radium-226 4020 Radionuclide 1 of 1 result Jan 15, 2020 Jan 15, 2020
Monochloroacetic Acid 2450 Organic Chemical 1 of 14 results Dec 5, 2016 Dec 5, 2016
Chloride 1017 Inorganic Chemical 1 of 2 results Jun 4, 2009 Jun 4, 2009
Magnesium 1031 Inorganic Chemical 1 of 2 results Jun 4, 2009 Jun 4, 2009
Sulfate 1055 Inorganic Chemical 1 of 6 results Jun 4, 2009 Jun 4, 2009
Thallium, Total 1085 Inorganic Chemical 1 of 34 results Apr 20, 2005 Apr 20, 2005
Cyanide 1024 Inorganic Chemical 1 of 35 results Apr 19, 2004 Apr 19, 2004

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 51–60 of 273 samples, newest first — collected October 17, 2022 to August 2, 2023. The summary above covers all 273.

53 results from the 10 samples listed here: 8 detected, 45 not detected. Across the whole record it is 355 of 1,646. 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 3 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 White Oak Water Association, every result from 51 to 60 of 273 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
Aug 2, 2023 07:15
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-230803-063
Laboratory
MSDH Lab
0.0267 mg/l , sample collected Aug 2, 2023 07:15, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
1.3 ug/l , sample collected Aug 2, 2023 07:15, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 2, 2023 05:50
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-230803-062
Laboratory
MSDH Lab
0.052 mg/l , sample collected Aug 2, 2023 05:50, sampling point LC0004 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 Aug 2, 2023 05:50, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Aug 2, 2023 06:40
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-230803-061
Laboratory
MSDH Lab
0.0076 mg/l , sample collected Aug 2, 2023 06:40, 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 Aug 2, 2023 06:40, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2021 – Dec 31, 2023
Collected
Jul 10, 2023 12:10
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
CN-230711-022
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jul 10, 2023 12:10, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jul 1, 2023 – Sep 30, 2023
Collected
May 15, 2023 14:00
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
CN-230516-004
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 15, 2023 14:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Apr 1, 2023 – Jun 30, 2023
Collected
Mar 14, 2023 13:00
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
CN-230315-002
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Mar 14, 2023 13:00, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Mar 31, 2023
Collected
Dec 5, 2022 15:50
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-221206-030
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 15:50, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0062 mg/l , sample collected Dec 5, 2022 15:50, 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 5, 2022 15:50, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 15:50, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.126 mg/l , sample collected Dec 5, 2022 15:50, 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 5, 2022 15:50, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 15:50, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 15:50, 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 5, 2022 15:50, 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 5, 2022 15:50, 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 5, 2022 15:50, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Dec 5, 2022 14:35
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-221206-029
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 14:35, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0019 mg/l , sample collected Dec 5, 2022 14:35, 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 5, 2022 14:35, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 14:35, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.15 mg/l , sample collected Dec 5, 2022 14:35, 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 5, 2022 14:35, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 14:35, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Dec 5, 2022 14:35, 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 5, 2022 14:35, 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 5, 2022 14:35, 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 5, 2022 14:35, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Nov 14, 2022 12:10
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
CN-221115-004
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Nov 14, 2022 12:10, sampling point TF103 Cyanide 1024 EPA method QC10204001X Oct 1, 2022 – Dec 31, 2022
Collected
Oct 17, 2022 12:15
Sampling point
TF103 Treatment Facility TF103
Sample type
Routine
Lab sample
VO-221018-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Oct 17, 2022 12:15, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2022 – Dec 31, 2022

Routine (10).