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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

MS0050001 , Town of Ashland

22 of the 58 analytes this system has been tested for have been detected at least once, across 373 samples on record.

The other 36 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 373 samples on record, detections range from September 21, 1993 to November 12, 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 Town of Ashland, 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 121 of 163 results Sep 21, 1993 Jun 9, 2025
Lead 1030 Inorganic Chemical 49 of 163 results Sep 21, 1993 Jun 9, 2025
Barium 1010 Inorganic Chemical 26 of 26 results Sep 8, 2003 Jan 21, 2025
Fluoride 1025 Inorganic Chemical 24 of 26 results Sep 8, 2003 Jan 21, 2025
Arsenic 1005 Inorganic Chemical 23 of 26 results Sep 8, 2003 Jan 21, 2025
Nickel 1036 Inorganic Chemical 23 of 26 results Sep 8, 2003 Jan 21, 2025
Chromium 1020 Inorganic Chemical 14 of 26 results Nov 15, 2004 Mar 31, 2020
TTHM 2950 Organic Chemical 11 of 23 results Jun 26, 2007 Nov 12, 2025
Chloroform 2941 Organic Chemical 7 of 18 results Jul 15, 2008 Nov 12, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 24 results Jun 26, 2007 Feb 27, 2024
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 24, 2019 Oct 14, 2024
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Mar 7, 2012 Oct 3, 2012
Sulfate 1055 Inorganic Chemical 4 of 4 results Sep 8, 2003 Jan 12, 2004
Bromodichloromethane 2943 Organic Chemical 3 of 18 results Dec 12, 2023 Sep 11, 2024
Selenium 1045 Inorganic Chemical 3 of 26 results Feb 14, 2005 Apr 25, 2011
Dibromochloromethane 2944 Organic Chemical 2 of 18 results Dec 12, 2023 May 20, 2024
Monochloroacetic Acid 2450 Organic Chemical 2 of 18 results Aug 4, 2014 Mar 18, 2019
Nitrite 1041 Inorganic Chemical 2 of 46 results May 24, 2004 Jun 7, 2006
Cadmium 1015 Inorganic Chemical 2 of 26 results Feb 14, 2005 Feb 14, 2005
Dichloroacetic Acid 2451 Organic Chemical 1 of 18 results Jul 15, 2020 Jul 15, 2020
Xylenes, Total 2955 Organic Chemical 1 of 55 results May 22, 2013 May 22, 2013
P-Dichlorobenzene 2969 Organic Chemical 1 of 55 results Aug 26, 2008 Aug 26, 2008

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 181–190 of 373 samples, newest first — collected January 19, 2011 to June 23, 2011. The summary above covers all 373.

76 results from the 10 samples listed here: 14 detected, 62 not detected. Across the whole record it is 337 of 2,197. 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 Town of Ashland, every result from 181 to 190 of 373 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
Jun 23, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110624-081PB
Laboratory
MSDH Lab
0.0804 mg/l , sample collected Jun 23, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0019 mg/l , sample collected Jun 23, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 23, 2011
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
110624-076PB
Laboratory
MSDH Lab
0.1315 mg/l , sample collected Jun 23, 2011, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
0.0123 mg/l , sample collected Jun 23, 2011, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2009 – Dec 31, 2011
Collected
Jun 8, 2011
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
110609-009CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Jun 8, 2011, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
Jun 8, 2011
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
110609-001CN
Laboratory
MSDH Lab
Not detected below 15 ug/l Minimum Reporting Level , sample collected Jun 8, 2011, sampling point TF104 Cyanide 1024 EPA method QC10204001X Jan 1, 2011 – Dec 31, 2013
Collected
May 16, 2011
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
110517-002VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Xylenes, Total 2955 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Dichloromethane 2964 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 O-Dichlorobenzene 2968 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 P-Dichlorobenzene 2969 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Vinyl Chloride 2976 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 1,1-Dichloroethylene 2977 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 1,2-Dichloroethane 2980 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 1,1,1-Trichloroethane 2981 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Carbon Tetrachloride 2982 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 1,2-Dichloropropane 2983 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Trichloroethylene 2984 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 1,1,2-Trichloroethane 2985 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Tetrachloroethylene 2987 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Chlorobenzene 2989 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Benzene 2990 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Toluene 2991 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Ethylbenzene 2992 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF104 Styrene 2996 EPA method 524.2 Not recorded
Collected
May 16, 2011
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
110517-001VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected May 16, 2011, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2011 – Dec 31, 2011
Collected
Apr 25, 2011
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
110426-042IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF104 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.1671 mg/l , sample collected Apr 25, 2011, sampling point TF104 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF104 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0015 mg/l , sample collected Apr 25, 2011, sampling point TF104 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.105 mg/l , sample collected Apr 25, 2011, sampling point TF104 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF104 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0006 mg/l , sample collected Apr 25, 2011, sampling point TF104 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF104 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF104 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF104 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF104 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Apr 25, 2011
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
110426-041IN
Laboratory
MSDH Lab
0.0023 mg/l , sample collected Apr 25, 2011, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0404 mg/l , sample collected Apr 25, 2011, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0048 mg/l , sample collected Apr 25, 2011, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
1.33 mg/l , sample collected Apr 25, 2011, sampling point TF103 Fluoride 1025 EPA method 380-75WE Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
0.0015 mg/l , sample collected Apr 25, 2011, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
0.0028 mg/l , sample collected Apr 25, 2011, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Apr 25, 2011, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2011 – Dec 31, 2013
Collected
Jan 19, 2011
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
110120-010NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 19, 2011, sampling point TF104 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 Jan 19, 2011, sampling point TF104 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 19, 2011, sampling point TF104 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Collected
Jan 19, 2011
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
110120-009NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 19, 2011, sampling point TF103 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 Jan 19, 2011, sampling point TF103 Nitrate 1040 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 19, 2011, sampling point TF103 Nitrite 1041 EPA method 353.2 Jan 1, 2011 – Dec 31, 2011

Routine (10).