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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

MS0360039 , Olin Winchester-Oxford

14 of the 51 analytes this system has been tested for have been detected at least once, across 97 samples on record.

The other 37 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 97 samples on record, detections range from September 29, 2003 to February 11, 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 Olin Winchester-Oxford, 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 36 of 36 results Aug 13, 2009 Aug 21, 2024
Nitrate-Nitrite 1038 Inorganic Chemical 20 of 20 results Jul 10, 2006 Feb 11, 2026
Nitrate 1040 Inorganic Chemical 20 of 20 results Jul 10, 2006 Feb 11, 2026
Lead 1030 Inorganic Chemical 12 of 36 results Aug 13, 2009 Jul 7, 2021
Barium 1010 Inorganic Chemical 7 of 7 results Sep 29, 2003 Jan 10, 2024
Nickel 1036 Inorganic Chemical 5 of 7 results Sep 29, 2003 Jan 10, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 4 of 6 results Jun 14, 2007 Aug 7, 2017
TTHM 2950 Organic Chemical 3 of 6 results Jun 14, 2007 Jun 14, 2011
Monochloroacetic Acid 2450 Organic Chemical 2 of 4 results Jul 14, 2014 Aug 7, 2017
Dichloroacetic Acid 2451 Organic Chemical 2 of 4 results Jun 30, 2008 Jun 14, 2011
Chloroform 2941 Organic Chemical 2 of 5 results Jun 30, 2008 Jun 14, 2011
Bromodichloromethane 2943 Organic Chemical 2 of 5 results Jun 30, 2008 Jun 14, 2011
Sodium 1052 Inorganic Chemical 1 of 1 result Mar 2, 2022 Mar 2, 2022
Dibromochloromethane 2944 Organic Chemical 1 of 5 results Jun 30, 2008 Jun 30, 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 91–97 of 97 samples, newest first — collected June 27, 2002 to June 14, 2007. The summary above covers all 97.

66 results from the 7 samples listed here: 7 detected, 59 not detected. 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 Olin Winchester-Oxford, every result from 91 to 97 of 97 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 14, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070615-009TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 14, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 14, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 14, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 14, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
0 This result is recorded as a detection, and the figure the agency wrote — "0.00" — is zero to the precision it was written to. Read the zero as "smaller than the written figure resolves", not as "none present". SDWIS holds a separate numeric concentration that Drinking Water Watch does not publish, so this endpoint does not carry it either; no more precise magnitude is available here. The agency recorded a value but no unit of measure for it. The unit is NOT inferable from the analyte: many analytes are reported in more than one unit — TTHM and HAA5 in both MG/L and UG/L — so there is no per-analyte default to fall back on. The number is published as it stands and must not be compared to a limit. The agency recorded which kind of limit this result was below, but stored 0.000000000 as the limit itself, which is not a level. The type is published and the value is null. What the limit was is not on record. Whether the result was a detection is a separate column: read resultType. , sample collected Jun 14, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Collected
May 22, 2007
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
070523-020VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Benzene 2990 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Toluene 2991 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected May 22, 2007, sampling point TF080 Styrene 2996 EPA method 524.2 Apr 1, 2007 – Jun 30, 2007
Collected
May 1, 2007
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
070502-112NI
Laboratory
MSDH Lab
0.28 mg/l , sample collected May 1, 2007, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
0.28 mg/l , sample collected May 1, 2007, sampling point TF080 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected May 1, 2007, sampling point TF080 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jul 10, 2006
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
060711-074NI
Laboratory
MSDH Lab
0.27 mg/l , sample collected Jul 10, 2006, sampling point TF080 Nitrate-Nitrite 1038 EPA method 353.2 Not recorded
0.26 mg/l , sample collected Jul 10, 2006, sampling point TF080 Nitrate 1040 EPA method 353.2 Not recorded
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jul 10, 2006, sampling point TF080 Nitrite 1041 EPA method 353.2 Not recorded
Collected
Sep 29, 2003
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
030930-083IN
Laboratory
MSDH Lab
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Arsenic 1005 EPA method 200.8 Not recorded
0.016 mg/l , sample collected Sep 29, 2003, sampling point TF080 Barium 1010 EPA method 200.8 Not recorded
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Cadmium 1015 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Chromium 1020 EPA method 200.8 Not recorded
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Fluoride 1025 EPA method 300.0 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Mercury 1035 EPA method 200.8 Not recorded
0.001 mg/l , sample collected Sep 29, 2003, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Selenium 1045 EPA method 200.8 Not recorded
Not detected below 2.5 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Sulfate 1055 EPA method 300.0 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Not recorded
Not detected below 0.0003 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Not recorded
Collected
Sep 29, 2003
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
030930-014CN
Laboratory
MSDH Lab
Not detected below 0.01 mg/l Minimum Reporting Level , sample collected Sep 29, 2003, sampling point TF080 Cyanide 1024 EPA method QC10204001X Not recorded
Collected
Jun 27, 2002
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
020628-009VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 1,2,4-Trichlorobenzene 2378 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Cis-1,2-Dichloroethylene 2380 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Xylenes, Total 2955 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Dichloromethane 2964 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 O-Dichlorobenzene 2968 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 P-Dichlorobenzene 2969 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Vinyl Chloride 2976 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 1,1-Dichloroethylene 2977 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Trans-1,2-Dichloroethylene 2979 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 1,2-Dichloroethane 2980 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 1,1,1-Trichloroethane 2981 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Carbon Tetrachloride 2982 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 1,2-Dichloropropane 2983 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Trichloroethylene 2984 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 1,1,2-Trichloroethane 2985 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Tetrachloroethylene 2987 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Chlorobenzene 2989 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Benzene 2990 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Toluene 2991 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Ethylbenzene 2992 Not recorded
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Jun 27, 2002, sampling point TF080 Styrene 2996 Not recorded

Routine (7).