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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

MS0570013 , Town of Summit

21 of the 57 analytes this system has been tested for have been detected at least once, across 212 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 212 samples on record, detections range from October 15, 2003 to July 30, 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 Summit, 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 61 of 61 results Aug 8, 2007 Sep 25, 2023
Lead 1030 Inorganic Chemical 49 of 61 results Aug 8, 2007 Sep 25, 2023
Arsenic 1005 Inorganic Chemical 20 of 20 results Oct 15, 2003 Apr 9, 2025
Barium 1010 Inorganic Chemical 20 of 20 results Oct 15, 2003 Apr 9, 2025
Fluoride 1025 Inorganic Chemical 15 of 20 results Oct 15, 2003 Apr 9, 2025
TTHM 2950 Organic Chemical 11 of 17 results Jul 28, 2004 Jul 30, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 7, 2011 Jul 13, 2012
Chloroform 2941 Organic Chemical 9 of 12 results Oct 4, 2007 Jul 30, 2025
Bromodichloromethane 2943 Organic Chemical 9 of 12 results Oct 4, 2007 Jul 30, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 7 of 17 results Jul 1, 2010 Jul 31, 2024
Sodium 1052 Inorganic Chemical 6 of 6 results Oct 30, 2019 Apr 9, 2025
Dibromochloromethane 2944 Organic Chemical 5 of 12 results Mar 12, 2024 Sep 30, 2024
Nickel 1036 Inorganic Chemical 4 of 20 results Jun 3, 2013 Apr 9, 2025
Dichloroacetic Acid 2451 Organic Chemical 4 of 11 results Jul 1, 2010 Jul 10, 2024
Sulfate 1055 Inorganic Chemical 4 of 4 results Oct 15, 2003 Mar 15, 2004
Trichloroacetic Acid 2452 Organic Chemical 3 of 11 results Sep 9, 2013 Jul 10, 2024
Chromium 1020 Inorganic Chemical 2 of 20 results Apr 9, 2025 Apr 9, 2025
Dichloromethane 2964 Organic Chemical 2 of 14 results Aug 23, 2004 Aug 23, 2004
Xylenes, Total 2955 Organic Chemical 1 of 14 results Aug 10, 2022 Aug 10, 2022
Ethylbenzene 2992 Organic Chemical 1 of 14 results Aug 10, 2022 Aug 10, 2022
Selenium 1045 Inorganic Chemical 1 of 20 results Jan 25, 2010 Jan 25, 2010

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 41–50 of 212 samples, newest first — collected November 4, 2021 to August 10, 2022. The summary above covers all 212.

54 results from the 10 samples listed here: 6 detected, 48 not detected. Across the whole record it is 244 of 984. 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 Summit, every result from 41 to 50 of 212 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 10, 2022 13:09
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
VO-220811-003
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
3.21 ug/l , sample collected Aug 10, 2022 13:09, sampling point TF081 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
0.665 ug/l , sample collected Aug 10, 2022 13:09, sampling point TF081 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:09, sampling point TF081 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Aug 10, 2022 13:25
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
VO-220811-002
Laboratory
MSDH Lab
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 1,2,4-Trichlorobenzene 2378 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Cis-1,2-Dichloroethylene 2380 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Xylenes, Total 2955 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Dichloromethane 2964 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 O-Dichlorobenzene 2968 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 P-Dichlorobenzene 2969 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Vinyl Chloride 2976 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 1,1-Dichloroethylene 2977 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Trans-1,2-Dichloroethylene 2979 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 1,2-Dichloroethane 2980 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 1,1,1-Trichloroethane 2981 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Carbon Tetrachloride 2982 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 1,2-Dichloropropane 2983 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Trichloroethylene 2984 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 1,1,2-Trichloroethane 2985 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Tetrachloroethylene 2987 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Chlorobenzene 2989 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Benzene 2990 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Toluene 2991 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Ethylbenzene 2992 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Aug 10, 2022 13:25, sampling point TF080 Styrene 2996 EPA method 524.2 Jan 1, 2017 – Dec 31, 2022
Collected
Jun 22, 2022 13:11
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-220623-001
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2022 13:11, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Jun 22, 2022 12:36
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220623-001
Laboratory
MSDH Lab
Not detected below 1 ug/l Minimum Reporting Level , sample collected Jun 22, 2022 12:36, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Mar 9, 2022 14:00
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NA-220310-005
Laboratory
MSDH Lab
18.6 mg/l , sample collected Mar 9, 2022 14:00, sampling point TF081 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 9, 2022 14:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-220310-004
Laboratory
MSDH Lab
18.2 mg/l , sample collected Mar 9, 2022 14:30, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Mar 9, 2022 14:10
Sampling point
TF081 Treatment Plant T081
Sample type
Routine
Lab sample
NI-220310-008
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 9, 2022 14:10, sampling point TF081 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 9, 2022 14:10, sampling point TF081 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 9, 2022 14:10, sampling point TF081 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Mar 9, 2022 14:31
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220310-009
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 9, 2022 14:31, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 9, 2022 14:31, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 9, 2022 14:31, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Nov 4, 2021 14:20
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-211105-001
Laboratory
MSDH Lab
2.84 ug/l , sample collected Nov 4, 2021 14:20, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Nov 4, 2021 14:00
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-211105-031
Laboratory
MSDH Lab
3.56 ug/l , sample collected Nov 4, 2021 14:00, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded

Routine (10).