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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

MS0060020 , Town of Winstonville

27 of the 57 analytes this system has been tested for have been detected at least once, across 367 samples on record.

The other 30 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 367 samples on record, detections range from July 27, 1993 to January 14, 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 Winstonville, 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
TTHM 2950 Organic Chemical 54 of 57 results Sep 13, 2004 Mar 29, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 52 of 57 results Sep 13, 2004 Mar 29, 2023
Lead 1030 Inorganic Chemical 50 of 73 results Jul 27, 1993 Jun 15, 2022
Copper, Free 1022 Inorganic Chemical 49 of 73 results Jul 27, 1993 Jun 15, 2022
Chloroform 2941 Organic Chemical 47 of 52 results Jul 16, 2007 Nov 20, 2018
Bromoform 2942 Organic Chemical 46 of 52 results Jul 16, 2007 Nov 20, 2018
Dibromochloromethane 2944 Organic Chemical 45 of 52 results Jul 16, 2007 Nov 20, 2018
Dibromoacetic Acid 2454 Organic Chemical 43 of 51 results Jul 14, 2008 Nov 20, 2018
Bromodichloromethane 2943 Organic Chemical 43 of 52 results Jul 16, 2007 Nov 20, 2018
Dichloroacetic Acid 2451 Organic Chemical 42 of 51 results Jul 14, 2008 Nov 20, 2018
Trichloroacetic Acid 2452 Organic Chemical 42 of 51 results Jul 14, 2008 Nov 20, 2018
Barium 1010 Inorganic Chemical 24 of 24 results Jun 25, 2002 Jan 14, 2025
Fluoride 1025 Inorganic Chemical 24 of 24 results Jun 25, 2002 Jan 14, 2025
Arsenic 1005 Inorganic Chemical 19 of 24 results Jun 25, 2002 Jan 14, 2025
Chromium 1020 Inorganic Chemical 17 of 24 results Jun 25, 2002 Jan 14, 2025
Xylenes, Total 2955 Organic Chemical 15 of 65 results May 23, 2011 May 23, 2018
Nickel 1036 Inorganic Chemical 14 of 24 results Jan 12, 2004 Jan 14, 2025
Selenium 1045 Inorganic Chemical 12 of 24 results Jun 25, 2002 Mar 31, 2020
Monobromoacetic Acid 2453 Organic Chemical 11 of 51 results Jul 14, 2008 Feb 20, 2018
Monochloroacetic Acid 2450 Organic Chemical 7 of 51 results Nov 16, 2009 Nov 21, 2017
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 8, 2011 Jul 13, 2012
Sodium 1052 Inorganic Chemical 4 of 4 results Jan 19, 2021 Oct 21, 2024
Nitrite 1041 Inorganic Chemical 4 of 45 results Apr 9, 2007 Jan 8, 2024
Dichloromethane 2964 Organic Chemical 3 of 65 results Mar 29, 2004 Aug 25, 2008
Cadmium 1015 Inorganic Chemical 3 of 24 results Jan 12, 2004 Jan 17, 2006
P-Dichlorobenzene 2969 Organic Chemical 1 of 65 results Oct 15, 2013 Oct 15, 2013
Thallium, Total 1085 Inorganic Chemical 1 of 24 results Jun 27, 2011 Jun 27, 2011

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 281–290 of 367 samples, newest first — collected January 17, 2006 to August 27, 2007. The summary above covers all 367.

59 results from the 10 samples listed here: 12 detected, 47 not detected. Across the whole record it is 677 of 2,568. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.

Units in this table

TTHM is recorded on this page in ug/l and mg/l. 1 mg/l = 1,000 ug/l.

Chemical and radiological sample results for Town of Winstonville, every result from 281 to 290 of 367 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
Aug 27, 2007
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
070828-011VO
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.0005 mg/l Method Detection Limit , sample collected Aug 27, 2007, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jul 16, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070717-014TH
Laboratory
MSDH Lab
4.61 ug/l , sample collected Jul 16, 2007, sampling point MRT000 Chloroform 2941 EPA method 524.2 Not recorded
3.84 ug/l , sample collected Jul 16, 2007, sampling point MRT000 Bromoform 2942 EPA method 524.2 Not recorded
1.56 ug/l , sample collected Jul 16, 2007, sampling point MRT000 Bromodichloromethane 2943 EPA method 524.2 Not recorded
1.85 ug/l , sample collected Jul 16, 2007, sampling point MRT000 Dibromochloromethane 2944 EPA method 524.2 Not recorded
11.86 ug/l , sample collected Jul 16, 2007, sampling point MRT000 TTHM 2950 EPA method 524.2 Jan 1, 2007 – Dec 31, 2007
Collected
Jun 7, 2007
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
070608-018HA
Laboratory
MSDH Lab
0.0003 mg/l 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 7, 2007, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2007 – Dec 31, 2007
Collected
Apr 9, 2007
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
070410-071NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 9, 2007, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 9, 2007, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
0.11 mg/l , sample collected Apr 9, 2007, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Apr 9, 2007
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
070410-063NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 9, 2007, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 9, 2007, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 9, 2007, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2007 – Dec 31, 2007
Collected
Nov 27, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
061128-050NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Nov 27, 2006, sampling point TF102 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Nov 27, 2006, sampling point TF102 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 27, 2006, sampling point TF102 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Sep 11, 2006
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
060912-006TH
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 11, 2006, sampling point MRT000 Chloroform 2941 EPA method 551.1 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 11, 2006, sampling point MRT000 Bromoform 2942 EPA method 551.1 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 11, 2006, sampling point MRT000 Bromodichloromethane 2943 EPA method 551.1 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Sep 11, 2006, sampling point MRT000 Dibromochloromethane 2944 EPA method 551.1 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 Sep 11, 2006, sampling point MRT000 TTHM 2950 EPA method 551.1 Jan 1, 2006 – Dec 31, 2006
Collected
Jun 5, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060606-068NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Jun 5, 2006
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
060606-039NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrate-Nitrite 1038 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrate 1040 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jun 5, 2006, sampling point TF101 Nitrite 1041 EPA method 353.2 Jan 1, 2006 – Dec 31, 2006
Collected
Jan 17, 2006
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
060118-031IN
Laboratory
MSDH Lab
0.000614 mg/l , sample collected Jan 17, 2006, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.016536 mg/l , sample collected Jan 17, 2006, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 17, 2006, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 17, 2006, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
0.540297 mg/l , sample collected Jan 17, 2006, sampling point TF102 Fluoride 1025 EPA method 380-75WE Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0002 mg/l Minimum Reporting Level , sample collected Jan 17, 2006, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 17, 2006, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
0.002503 mg/l , sample collected Jan 17, 2006, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 17, 2006, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0001 mg/l Minimum Reporting Level , sample collected Jan 17, 2006, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 17, 2006, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2005 – Dec 31, 2007
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jan 17, 2006, sampling point TF102 Uranium-238 4009 Not recorded

Routine (10).