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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

MS0340019 , Southwest Jones W/A-North

43 of the 75 analytes this system has been tested for have been detected at least once, across 508 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 508 samples on record, detections range from September 24, 2003 to November 3, 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 Southwest Jones W/A-North, 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 144 of 144 results Aug 28, 2007 Jul 30, 2024
Lead 1030 Inorganic Chemical 122 of 144 results Aug 28, 2007 Jul 30, 2024
Barium 1010 Inorganic Chemical 43 of 43 results Sep 24, 2003 Feb 25, 2025
Fluoride 1025 Inorganic Chemical 27 of 44 results Sep 24, 2003 Feb 25, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 17 of 22 results Mar 7, 2012 Dec 15, 2015
Chromium 1020 Inorganic Chemical 15 of 43 results Sep 24, 2003 Jan 13, 2021
Sodium 1052 Inorganic Chemical 13 of 13 results Feb 22, 2010 Feb 4, 2025
Xylenes, Total 2955 Organic Chemical 13 of 92 results May 4, 2004 Jun 15, 2016
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 10 of 12 results Aug 16, 2007 Aug 14, 2024
Sulfate 1055 Inorganic Chemical 9 of 9 results Sep 24, 2003 Feb 22, 2010
TTHM 2950 Organic Chemical 8 of 11 results Aug 16, 2007 Nov 3, 2025
Gross Alpha Particle Activity 4109 Radionuclide 8 of 12 results Sep 28, 2009 Sep 26, 2012
Combined Radium (-226 & -228) 4010 Radionuclide 8 of 32 results Sep 28, 2009 Nov 29, 2011
Gross Beta Particle Activity 4100 Radionuclide 8 of 8 results Sep 28, 2009 Mar 11, 2010
Chloroform 2941 Organic Chemical 7 of 7 results Aug 16, 2007 Nov 3, 2025
Bromodichloromethane 2943 Organic Chemical 7 of 7 results Aug 16, 2007 Nov 3, 2025
Gross Alpha, Excl. Radon & U 4000 Radionuclide 7 of 10 results Sep 28, 2009 Mar 11, 2010
Dichloroacetic Acid 2451 Organic Chemical 6 of 7 results Sep 22, 2009 Oct 22, 2020
Trichloroacetic Acid 2452 Organic Chemical 5 of 7 results Sep 22, 2009 Oct 22, 2020
Ethylbenzene 2992 Organic Chemical 5 of 92 results May 4, 2004 Oct 15, 2014
Radium-228 4030 Radionuclide 5 of 32 results Sep 28, 2009 Nov 29, 2011
Radium-226 4020 Radionuclide 5 of 32 results Sep 28, 2009 Mar 11, 2010
Nickel 1036 Inorganic Chemical 4 of 43 results Mar 23, 2005 Apr 2, 2014
Dibromochloromethane 2944 Organic Chemical 2 of 7 results Oct 22, 2020 Nov 3, 2025
Monobromoacetic Acid 2453 Organic Chemical 2 of 7 results Aug 12, 2019 Oct 22, 2020
Cyanide 1024 Inorganic Chemical 2 of 38 results Sep 23, 2009 Apr 27, 2011
Thallium, Total 1085 Inorganic Chemical 2 of 43 results Mar 23, 2005 Mar 23, 2005
Calcium 1016 Inorganic Chemical 1 of 1 result Feb 22, 2010 Feb 22, 2010
Iron 1028 Inorganic Chemical 1 of 1 result Feb 22, 2010 Feb 22, 2010
Magnesium 1031 Inorganic Chemical 1 of 1 result Feb 22, 2010 Feb 22, 2010
Manganese 1032 Inorganic Chemical 1 of 1 result Feb 22, 2010 Feb 22, 2010
Potassium 1042 Inorganic Chemical 1 of 1 result Feb 22, 2010 Feb 22, 2010
Residue, Total, Filterable 1057 Water Quality 1 of 1 result Feb 22, 2010 Feb 22, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 1 of 1 result Feb 22, 2010 Feb 22, 2010
Carbon Dioxide 1901 Water Quality 1 of 1 result Feb 22, 2010 Feb 22, 2010
Color 1905 Water Quality 1 of 1 result Feb 22, 2010 Feb 22, 2010
Hardness, Total (As Caco3) 1915 Water Quality 1 of 1 result Feb 22, 2010 Feb 22, 2010
Alkalinity, Total 1927 Water Quality 1 of 1 result Feb 22, 2010 Feb 22, 2010
Iron, Field Result FEFD Inorganic Chemical 1 of 1 result Feb 22, 2010 Feb 22, 2010
Calculated Sodium NACA Water Quality 1 of 1 result Feb 22, 2010 Feb 22, 2010
PH, Field Result PHFD Water Quality 1 of 1 result Feb 22, 2010 Feb 22, 2010
Monochloroacetic Acid 2450 Organic Chemical 1 of 7 results Sep 22, 2009 Sep 22, 2009
Dichloromethane 2964 Organic Chemical 1 of 92 results Aug 3, 2004 Aug 3, 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 401–410 of 508 samples, newest first — collected August 28, 2007 to May 6, 2008. The summary above covers all 508.

77 results from the 10 samples listed here: 14 detected, 63 not detected. Across the whole record it is 520 of 3,314. 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 Southwest Jones W/A-North, every result from 401 to 410 of 508 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
May 6, 2008
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
080507-015VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 6, 2008, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2005 – Dec 31, 2010
Collected
Mar 10, 2008
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
080311-011VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Dichloromethane 2964 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Benzene 2990 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Toluene 2991 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Mar 10, 2008, sampling point TF105 Styrene 2996 EPA method 524.2 Jan 1, 2008 – Mar 31, 2008
Collected
Oct 31, 2007
Sampling point
TF105 Treatment Plant T105
Sample type
Routine
Lab sample
071101-005VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 Dichloromethane 2964 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 Trichloroethylene 2984 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 31, 2007, sampling point TF105 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 Oct 31, 2007, sampling point TF105 Tetrachloroethylene 2987 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 31, 2007, sampling point TF105 Chlorobenzene 2989 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 31, 2007, sampling point TF105 Benzene 2990 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 31, 2007, sampling point TF105 Toluene 2991 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 31, 2007, sampling point TF105 Ethylbenzene 2992 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Oct 31, 2007, sampling point TF105 Styrene 2996 EPA method 524.2 Oct 1, 2007 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070829-351PB
Laboratory
MSDH Lab
0.2172 mg/l , sample collected Aug 28, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0064 mg/l , sample collected Aug 28, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070829-348PB
Laboratory
MSDH Lab
0.2402 mg/l , sample collected Aug 28, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0013 mg/l , sample collected Aug 28, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070829-346PB
Laboratory
MSDH Lab
0.2865 mg/l , sample collected Aug 28, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0018 mg/l , sample collected Aug 28, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070829-340PB
Laboratory
MSDH Lab
0.566 mg/l , sample collected Aug 28, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0041 mg/l , sample collected Aug 28, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070829-334PB
Laboratory
MSDH Lab
0.041 mg/l , sample collected Aug 28, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0027 mg/l , sample collected Aug 28, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070829-332PB
Laboratory
MSDH Lab
0.3901 mg/l , sample collected Aug 28, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0018 mg/l , sample collected Aug 28, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Collected
Aug 28, 2007
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
070829-326PB
Laboratory
MSDH Lab
0.2252 mg/l , sample collected Aug 28, 2007, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.0028 mg/l , sample collected Aug 28, 2007, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007

Routine (10).