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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

MS0590002 , Big V Water Association

39 of the 73 analytes this system has been tested for have been detected at least once, across 383 samples on record.

The other 34 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 383 samples on record, detections range from October 15, 2003 to June 15, 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 Big V 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 166 of 166 results Jun 8, 2004 Sep 25, 2025
Lead 1030 Inorganic Chemical 62 of 166 results Jun 8, 2004 Jul 30, 2025
Barium 1010 Inorganic Chemical 23 of 23 results Oct 15, 2003 Apr 9, 2025
Nickel 1036 Inorganic Chemical 18 of 23 results Dec 12, 2005 Apr 9, 2025
TTHM 2950 Organic Chemical 13 of 21 results Aug 9, 2004 Jun 15, 2026
Chromium 1020 Inorganic Chemical 11 of 23 results Oct 15, 2003 Apr 9, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 11 of 11 results Mar 14, 2012 Nov 19, 2013
Sodium 1052 Inorganic Chemical 10 of 10 results Apr 8, 2015 Dec 15, 2025
Fluoride 1025 Inorganic Chemical 8 of 24 results Dec 12, 2005 Apr 9, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 8 of 20 results Jun 30, 2010 Jun 24, 2024
Chloroform 2941 Organic Chemical 7 of 16 results Jun 30, 2010 Jun 15, 2026
Bromodichloromethane 2943 Organic Chemical 6 of 16 results Jun 30, 2010 Jun 15, 2026
Dibromochloromethane 2944 Organic Chemical 6 of 16 results Jun 30, 2010 Jun 15, 2026
Dichloroacetic Acid 2451 Organic Chemical 3 of 14 results Jun 30, 2010 Jun 24, 2024
Xylenes, Total 2955 Organic Chemical 3 of 39 results Aug 1, 2019 Mar 8, 2022
Trichloroacetic Acid 2452 Organic Chemical 2 of 14 results Aug 27, 2013 Jun 24, 2024
Monobromoacetic Acid 2453 Organic Chemical 2 of 14 results Oct 7, 2020 Oct 7, 2020
Sulfate 1055 Inorganic Chemical 2 of 2 results Oct 15, 2003 Apr 8, 2015
Arsenic 1005 Inorganic Chemical 2 of 23 results Dec 12, 2005 Apr 3, 2014
Cyanide 1024 Inorganic Chemical 1 of 34 results Nov 8, 2021 Nov 8, 2021
Ethylbenzene 2992 Organic Chemical 1 of 39 results Aug 1, 2019 Aug 1, 2019
Calcium 1016 Inorganic Chemical 1 of 1 result Apr 8, 2015 Apr 8, 2015
Iron 1028 Inorganic Chemical 1 of 1 result Apr 8, 2015 Apr 8, 2015
Magnesium 1031 Inorganic Chemical 1 of 1 result Apr 8, 2015 Apr 8, 2015
Manganese 1032 Inorganic Chemical 1 of 1 result Apr 8, 2015 Apr 8, 2015
Potassium 1042 Inorganic Chemical 1 of 1 result Apr 8, 2015 Apr 8, 2015
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Apr 8, 2015 Apr 8, 2015
Carbon Dioxide 1901 Water Quality 1 of 1 result Apr 8, 2015 Apr 8, 2015
Color 1905 Water Quality 1 of 1 result Apr 8, 2015 Apr 8, 2015
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Apr 8, 2015 Apr 8, 2015
Alkalinity, Total 1927 Water Quality 1 of 1 result Apr 8, 2015 Apr 8, 2015
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Apr 8, 2015 Apr 8, 2015
Calculated Sodium NACA Water Quality 1 of 1 result Apr 8, 2015 Apr 8, 2015
PH, Field Result PHFD Water Quality 1 of 1 result Apr 8, 2015 Apr 8, 2015
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 12 results Sep 11, 2013 Sep 11, 2013
Radium-226 4020 Radionuclide 1 of 12 results Sep 11, 2013 Sep 11, 2013
Gross Alpha Particle Activity 4109 Radionuclide 1 of 1 result Sep 11, 2013 Sep 11, 2013
Cadmium 1015 Inorganic Chemical 1 of 23 results Dec 12, 2005 Dec 12, 2005
Selenium 1045 Inorganic Chemical 1 of 23 results Dec 12, 2005 Dec 12, 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 191–200 of 383 samples, newest first — collected July 19, 2016 to December 14, 2016. The summary above covers all 383.

58 results from the 10 samples listed here: 13 detected, 45 not detected. Across the whole record it is 383 of 1,853. 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 Big V Water Association, every result from 191 to 200 of 383 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 14, 2016 12:00
Sampling point
TF081 Treatment TF081
Sample type
Routine
Lab sample
161215-019VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Benzene 2990 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Toluene 2991 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 14, 2016 12:00, sampling point TF081 Styrene 2996 EPA method 524.2 Jan 1, 2016 – Dec 31, 2016
Collected
Aug 3, 2016 12:57
Sampling point
TF082 Treatment TF082
Sample type
Routine
Lab sample
160804-004VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2016 12:57, sampling point TF082 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 Aug 3, 2016 12:57, sampling point TF082 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2016 12:57, sampling point TF082 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2016 12:57, sampling point TF082 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2016 12:57, sampling point TF082 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2016 12:57, sampling point TF082 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 3, 2016 12:57, sampling point TF082 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2016
Collected
Jul 20, 2016 06:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-051PB
Laboratory
MSDH Lab
0.13 mg/l , sample collected Jul 20, 2016 06:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0008 mg/l , sample collected Jul 20, 2016 06:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 20, 2016 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-049PB
Laboratory
MSDH Lab
0.0312 mg/l , sample collected Jul 20, 2016 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 20, 2016 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 20, 2016 13:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-048PB
Laboratory
MSDH Lab
0.5543 mg/l , sample collected Jul 20, 2016 13:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0037 mg/l , sample collected Jul 20, 2016 13:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 20, 2016 06:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-040PB
Laboratory
MSDH Lab
0.3914 mg/l , sample collected Jul 20, 2016 06:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0009 mg/l , sample collected Jul 20, 2016 06:25, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 08:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-059PB
Laboratory
MSDH Lab
0.1774 mg/l , sample collected Jul 19, 2016 08:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 19, 2016 08:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 16:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-058PB
Laboratory
MSDH Lab
0.0779 mg/l , sample collected Jul 19, 2016 16:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0007 mg/l , sample collected Jul 19, 2016 16:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 05:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-057PB
Laboratory
MSDH Lab
0.0291 mg/l , sample collected Jul 19, 2016 05:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jul 19, 2016 05:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
Collected
Jul 19, 2016 04:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
160721-056PB
Laboratory
MSDH Lab
0.0314 mg/l , sample collected Jul 19, 2016 04:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016
0.0007 mg/l , sample collected Jul 19, 2016 04:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2014 – Dec 31, 2016

Routine (10).