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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

MS0770007 , Southwest Wayne Water Assn

22 of the 57 analytes this system has been tested for have been detected at least once, across 212 samples on record.

The other 35 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 212 samples on record, detections range from November 24, 2003 to July 20, 2026. These figures cover the whole record; the list of samples further down is narrowed.

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 Southwest Wayne Water Assn, 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 63 of 63 results Aug 16, 2007 Aug 7, 2023
Lead 1030 Inorganic Chemical 25 of 63 results Aug 16, 2007 Aug 7, 2023
Barium 1010 Inorganic Chemical 19 of 19 results Nov 24, 2003 Apr 2, 2025
Fluoride 1025 Inorganic Chemical 19 of 19 results Nov 24, 2003 Apr 2, 2025
TTHM 2950 Organic Chemical 17 of 17 results Aug 23, 2004 Sep 15, 2025
Chloroform 2941 Organic Chemical 13 of 13 results Sep 18, 2007 Sep 15, 2025
Bromodichloromethane 2943 Organic Chemical 13 of 13 results Sep 18, 2007 Sep 15, 2025
Dibromochloromethane 2944 Organic Chemical 13 of 13 results Sep 18, 2007 Sep 15, 2025
Dichloroacetic Acid 2451 Organic Chemical 11 of 13 results Aug 3, 2010 Jun 16, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 11 of 18 results Aug 3, 2010 Aug 12, 2024
Trichloroacetic Acid 2452 Organic Chemical 9 of 13 results Aug 3, 2010 Aug 12, 2024
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 23, 2019 Jul 20, 2026
Chromium 1020 Inorganic Chemical 6 of 19 results Apr 18, 2006 May 20, 2019
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 10 results Dec 8, 2011 Jul 13, 2012
Sulfate 1055 Inorganic Chemical 4 of 4 results Nov 24, 2003 Apr 7, 2004
Nickel 1036 Inorganic Chemical 3 of 19 results Apr 7, 2004 May 28, 2013
Bromoform 2942 Organic Chemical 1 of 13 results Aug 12, 2024 Aug 12, 2024
Monobromoacetic Acid 2453 Organic Chemical 1 of 13 results Oct 26, 2020 Oct 26, 2020
Cyanide 1024 Inorganic Chemical 1 of 20 results Jul 11, 2016 Jul 11, 2016
Dibromoacetic Acid 2454 Organic Chemical 1 of 13 results Oct 29, 2013 Oct 29, 2013
Nitrate-Nitrite 1038 Inorganic Chemical 1 of 42 results Aug 9, 2006 Aug 9, 2006
Nitrate 1040 Inorganic Chemical 1 of 42 results Aug 9, 2006 Aug 9, 2006

Showing samples collected between September 25, 2024 and September 25, 2026. That is this page’s default, not a limit on what the agency records.

Show every sample on record

Choose a date range

The most recent samples, result by result

The table below lists 1–10 of 14 samples, newest first — collected April 15, 2025 to July 20, 2026. The summary above covers all 14.

65 results from the 10 samples listed here: 7 detected, 58 not detected. Across the whole record it is 243 of 1,030. 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 1 sampling point 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 Southwest Wayne Water Assn, every result from 1 to 10 of 14 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
Jul 20, 2026
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
35052361002
Laboratory
Pace Analytical Services, LLC
51700 ug/l , sample collected Jul 20, 2026, sampling point TF102 Sodium 1052 EPA method 200.7 Jan 1, 2024 – Dec 31, 2026
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Dichloromethane 2964 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Benzene 2990 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Toluene 2991 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF102 Styrene 2996 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Collected
Jul 20, 2026
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
35052361001
Laboratory
Pace Analytical Services, LLC
54400 ug/l , sample collected Jul 20, 2026, sampling point TF101 Sodium 1052 EPA method 200.7 Jan 1, 2024 – Dec 31, 2026
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Dichloromethane 2964 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Benzene 2990 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Toluene 2991 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jul 20, 2026, sampling point TF101 Styrene 2996 EPA method 524.2 Jan 1, 2023 – Dec 31, 2028
Collected
Dec 10, 2025 12:32
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
CN-251211-013
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 10, 2025 12:32, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Dec 10, 2025 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
CN-251211-012
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Dec 10, 2025 12:15, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2023 – Dec 31, 2025
Collected
Sep 22, 2025 07:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
IN-250923-020
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 22, 2025 07:30, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 22, 2025 07:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
IN-250923-019
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Sep 22, 2025 07:00, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 15, 2025 10:43
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-164161-1
Laboratory
Eurofins Eaton Analytical South Bend in
5.3 ug/l , sample collected Sep 15, 2025 10:43, sampling point SM2 Chloroform 2941 EPA method 524.2 Not recorded
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 15, 2025 10:43, sampling point SM2 Bromoform 2942 EPA method 524.2 Not recorded
4.3 ug/l , sample collected Sep 15, 2025 10:43, sampling point SM2 Bromodichloromethane 2943 EPA method 524.2 Not recorded
3.1 ug/l , sample collected Sep 15, 2025 10:43, sampling point SM2 Dibromochloromethane 2944 EPA method 524.2 Not recorded
12.7 ug/l , sample collected Sep 15, 2025 10:43, sampling point SM2 TTHM 2950 EPA method 524.2 Jan 1, 2025 – Dec 31, 2025
Collected
Jun 16, 2025 10:00
Sampling point
SM2 Location withheld
Sample type
Routine
Lab sample
810-152429-1
Laboratory
Eurofins Eaton Analytical South Bend in
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 16, 2025 10:00, sampling point SM2 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
1.4 ug/l , sample collected Jun 16, 2025 10:00, sampling point SM2 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 16, 2025 10:00, sampling point SM2 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 16, 2025 10:00, sampling point SM2 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 16, 2025 10:00, sampling point SM2 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
Not detected below 2 ug/l Minimum Reporting Level , sample collected Jun 16, 2025 10:00, sampling point SM2 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2025 – Dec 31, 2025
Collected
Apr 15, 2025 13:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-250416-021
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 13:30, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 13:30, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 13:30, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 15, 2025 13:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250416-022
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 13:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 13:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Apr 15, 2025 13:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025

Routine (10).