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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 81–90 of 373 samples, newest first — collected January 28, 2019 to June 12, 2019. The summary above covers all 373.

47 results from the 10 samples listed here: 9 detected, 38 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 81 to 90 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 12, 2019 07:20
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-073PB
Laboratory
MSDH Lab
0.0751 mg/l , sample collected Jun 12, 2019 07:20, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 12, 2019 07:20, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 12, 2019 08:30
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-071PB
Laboratory
MSDH Lab
0.1587 mg/l , sample collected Jun 12, 2019 08:30, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 12, 2019 08:30, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 12, 2019 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-069PB
Laboratory
MSDH Lab
0.1712 mg/l , sample collected Jun 12, 2019 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 12, 2019 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 12, 2019 06:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-068PB
Laboratory
MSDH Lab
0.007 mg/l , sample collected Jun 12, 2019 06:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 12, 2019 06:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 12, 2019 05:15
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-067PB
Laboratory
MSDH Lab
0.0192 mg/l , sample collected Jun 12, 2019 05:15, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.004 mg/l , sample collected Jun 12, 2019 05:15, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 12, 2019 15:00
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
190613-007VO
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Dichloromethane 2964 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Benzene 2990 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Toluene 2991 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 12, 2019 15:00, sampling point TF104 Styrene 2996 EPA method 524.2 Jan 1, 2019 – Dec 31, 2019
Collected
Jun 11, 2019 05:25
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
190613-070PB
Laboratory
MSDH Lab
0.3006 mg/l , sample collected Jun 11, 2019 05:25, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 11, 2019 05:25, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Mar 18, 2019 12:08
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190319-001TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 18, 2019 12:08, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 18, 2019 12:08, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 18, 2019 12:08, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 18, 2019 12:08, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 4 ug/l Minimum Reporting Level , sample collected Mar 18, 2019 12:08, sampling point MRT000 TTHM 2950 Not recorded
Collected
Mar 18, 2019 12:06
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190319-001HA
Laboratory
MSDH Lab
0.013 mg/l , sample collected Mar 18, 2019 12:06, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 12:06, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 12:06, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 12:06, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 12:06, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.013 mg/l , sample collected Mar 18, 2019 12:06, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Not recorded
Collected
Jan 28, 2019 13:00
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
190129-019NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 28, 2019 13:00, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 28, 2019 13:00, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 28, 2019 13:00, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019

Routine (10).