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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 31–40 of 373 samples, newest first — collected June 14, 2022 to January 30, 2024. The summary above covers all 373.

59 results from the 10 samples listed here: 7 detected, 52 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.

We withheld the location of 2 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 Town of Ashland, every result from 31 to 40 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
Jan 30, 2024 13:15
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
VO-240131-010
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Dichloromethane 2964 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Benzene 2990 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Toluene 2991 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jan 30, 2024 13:15, sampling point TF103 Styrene 2996 EPA method 524.2 Jan 1, 2019 – Dec 31, 2024
Collected
Jan 8, 2024 13:10
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
NI-240109-046
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 13:10, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 13:10, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 13:10, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 8, 2024 13:50
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
NI-240109-045
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 13:50, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 13:50, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 13:50, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Dec 12, 2023 10:35
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-87710-2
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2023 – Dec 31, 2023
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 10:35, sampling point SM2 TTHM 2950 EPA method 524.2 Oct 1, 2023 – Dec 31, 2023
Collected
Dec 12, 2023 11:00
Sampling point
SM1 Location withheld
Sample type
Routine
Lab sample
810-87710-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 11:00, sampling point SM1 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 11:00, sampling point SM1 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 11:00, sampling point SM1 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 11:00, sampling point SM1 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 11:00, sampling point SM1 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 11:00, sampling point SM1 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Oct 1, 2023 – Dec 31, 2023
1.3 ug/l , sample collected Dec 12, 2023 11:00, sampling point SM1 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Dec 12, 2023 11:00, sampling point SM1 Bromoform 2942 EPA method 524.2 Not recorded
0.91 ug/l , sample collected Dec 12, 2023 11:00, sampling point SM1 Bromodichloromethane 2943 EPA method 524.2 Not recorded
0.62 ug/l , sample collected Dec 12, 2023 11:00, sampling point SM1 Dibromochloromethane 2944 EPA method 524.2 Not recorded
2.83 ug/l , sample collected Dec 12, 2023 11:00, sampling point SM1 TTHM 2950 EPA method 524.2 Oct 1, 2023 – Dec 31, 2023
Collected
Mar 28, 2023 11:30
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230329-011
Laboratory
MSDH Lab
1.04 ug/l , sample collected Mar 28, 2023 11:30, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Mar 28, 2023 12:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230329-011
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Mar 28, 2023 12:00, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Jan 17, 2023 15:10
Sampling point
TF104 TF104
Sample type
Routine
Lab sample
NI-230118-080
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 15:10, sampling point TF104 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 15:10, sampling point TF104 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 15:10, sampling point TF104 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jan 17, 2023 14:50
Sampling point
TF103 TF103
Sample type
Routine
Lab sample
NI-230118-079
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 14:50, sampling point TF103 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 14:50, sampling point TF103 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 17, 2023 14:50, sampling point TF103 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2022 05:00
Sampling point
DS000 Distribution
Sample type
Routine
Lab sample
PB-220615-005
Laboratory
MSDH Lab
0.166 mg/l , sample collected Jun 14, 2022 05:00, sampling point DS000 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
1.9 ug/l , sample collected Jun 14, 2022 05:00, sampling point DS000 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).