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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

MS0270003 , Town of Isola

35 of the 72 analytes this system has been tested for have been detected at least once, across 373 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 373 samples on record, detections range from July 14, 1993 to April 10, 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 Isola, 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 100 of 142 results Jul 14, 1993 Jul 31, 2023
Lead 1030 Inorganic Chemical 56 of 142 results Jul 14, 1993 Jul 31, 2023
Fluoride 1025 Inorganic Chemical 36 of 37 results Sep 17, 2003 Feb 24, 2025
Barium 1010 Inorganic Chemical 31 of 34 results Sep 17, 2003 Feb 24, 2025
Chromium 1020 Inorganic Chemical 21 of 34 results Sep 17, 2003 Jun 10, 2019
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 12 of 12 results Aug 9, 2004 Apr 10, 2025
TTHM 2950 Organic Chemical 11 of 11 results Aug 9, 2004 Apr 10, 2025
Sodium 1052 Inorganic Chemical 9 of 9 results Jul 29, 2010 Feb 24, 2025
Sulfate 1055 Inorganic Chemical 9 of 9 results Sep 17, 2003 Jul 29, 2010
Nickel 1036 Inorganic Chemical 5 of 34 results Apr 14, 2008 May 23, 2022
Dichloroacetic Acid 2451 Organic Chemical 5 of 5 results Sep 23, 2008 Sep 23, 2019
Trichloroacetic Acid 2452 Organic Chemical 5 of 5 results Sep 23, 2008 Sep 23, 2019
Chloroform 2941 Organic Chemical 5 of 5 results Aug 1, 2007 Sep 25, 2018
Nitrate-Nitrite 1038 Inorganic Chemical 3 of 65 results Feb 17, 2022 Feb 17, 2022
Nitrate 1040 Inorganic Chemical 3 of 65 results Feb 17, 2022 Feb 17, 2022
Monochloroacetic Acid 2450 Organic Chemical 3 of 5 results Aug 21, 2012 Sep 23, 2019
Bromodichloromethane 2943 Organic Chemical 3 of 5 results Aug 21, 2012 Sep 25, 2018
Calcium 1016 Inorganic Chemical 3 of 3 results Jul 29, 2010 Jul 29, 2010
Potassium 1042 Inorganic Chemical 3 of 3 results Jul 29, 2010 Jul 29, 2010
Residue, Total, Filterable 1057 Water Quality 3 of 3 results Jul 29, 2010 Jul 29, 2010
Alkalinity, Caco3 Stability 1067 Water Quality 3 of 3 results Jul 29, 2010 Jul 29, 2010
Carbon Dioxide 1901 Water Quality 3 of 3 results Jul 29, 2010 Jul 29, 2010
Color 1905 Water Quality 3 of 3 results Jul 29, 2010 Jul 29, 2010
Hardness, Total (As Caco3) 1915 Water Quality 3 of 3 results Jul 29, 2010 Jul 29, 2010
Alkalinity, Total 1927 Water Quality 3 of 3 results Jul 29, 2010 Jul 29, 2010
Iron, Field Result FEFD Inorganic Chemical 3 of 3 results Jul 29, 2010 Jul 29, 2010
Calculated Sodium NACA Water Quality 3 of 3 results Jul 29, 2010 Jul 29, 2010
PH, Field Result PHFD Water Quality 3 of 3 results Jul 29, 2010 Jul 29, 2010
Cadmium 1015 Inorganic Chemical 3 of 34 results Mar 10, 2005 Mar 10, 2005
Selenium 1045 Inorganic Chemical 3 of 34 results Mar 10, 2005 Mar 10, 2005
Monobromoacetic Acid 2453 Organic Chemical 2 of 5 results Aug 21, 2012 Jul 21, 2015
Nitrite 1041 Inorganic Chemical 2 of 65 results Aug 15, 2005 Jul 7, 2010
Xylenes, Total 2955 Organic Chemical 1 of 40 results Feb 15, 2023 Feb 15, 2023
Manganese 1032 Inorganic Chemical 1 of 3 results Jul 29, 2010 Jul 29, 2010
Antimony, Total 1074 Inorganic Chemical 1 of 34 results Sep 17, 2003 Sep 17, 2003

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 81–90 of 373 samples, newest first — collected June 10, 2019 to September 23, 2019. The summary above covers all 373.

45 results from the 10 samples listed here: 16 detected, 29 not detected. Across the whole record it is 363 of 1,932. 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 Isola, every result from 81 to 90 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
Sep 23, 2019 12:30
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
680-175391-50
Laboratory
Test America-Savannah
80000 ug/l , sample collected Sep 23, 2019 12:30, sampling point TF103 Sodium 1052 EPA method 200.7 Not recorded
Collected
Sep 23, 2019 12:10
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
680-175391-49
Laboratory
Test America-Savannah
85000 ug/l , sample collected Sep 23, 2019 12:10, sampling point TF102 Sodium 1052 EPA method 200.7 Not recorded
Collected
Sep 23, 2019 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
680-175391-48
Laboratory
Test America-Savannah
78000 ug/l , sample collected Sep 23, 2019 12:00, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Sep 23, 2019 13:15
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
190924-001HA
Laboratory
MSDH Lab
0.004 mg/l , sample collected Sep 23, 2019 13:15, sampling point MRT000 Monochloroacetic Acid 2450 EPA method 552.2 Not recorded
0.007 mg/l , sample collected Sep 23, 2019 13:15, sampling point MRT000 Dichloroacetic Acid 2451 EPA method 552.2 Not recorded
0.003 mg/l , sample collected Sep 23, 2019 13:15, sampling point MRT000 Trichloroacetic Acid 2452 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 23, 2019 13:15, sampling point MRT000 Monobromoacetic Acid 2453 EPA method 552.2 Not recorded
Not detected below 0.001 mg/l Minimum Reporting Level , sample collected Sep 23, 2019 13:15, sampling point MRT000 Dibromoacetic Acid 2454 EPA method 552.2 Not recorded
0.014 mg/l , sample collected Sep 23, 2019 13:15, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 Jan 1, 2019 – Dec 31, 2019
Collected
Jun 10, 2019 06:09
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190611-003IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:09, sampling point TF101 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0005 mg/l , sample collected Jun 10, 2019 06:09, sampling point TF101 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:09, sampling point TF101 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0011 mg/l , sample collected Jun 10, 2019 06:09, sampling point TF101 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.143 mg/l , sample collected Jun 10, 2019 06:09, sampling point TF101 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:09, sampling point TF101 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:09, sampling point TF101 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:09, sampling point TF101 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:09, sampling point TF101 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:09, sampling point TF101 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:09, sampling point TF101 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 10, 2019 06:49
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190611-002IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:49, sampling point TF103 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0008 mg/l , sample collected Jun 10, 2019 06:49, sampling point TF103 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:49, sampling point TF103 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.001 mg/l , sample collected Jun 10, 2019 06:49, sampling point TF103 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.143 mg/l , sample collected Jun 10, 2019 06:49, sampling point TF103 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:49, sampling point TF103 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:49, sampling point TF103 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:49, sampling point TF103 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:49, sampling point TF103 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:49, sampling point TF103 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:49, sampling point TF103 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 10, 2019 06:30
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190611-001IN
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:30, sampling point TF102 Arsenic 1005 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0008 mg/l , sample collected Jun 10, 2019 06:30, sampling point TF102 Barium 1010 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:30, sampling point TF102 Cadmium 1015 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.0011 mg/l , sample collected Jun 10, 2019 06:30, sampling point TF102 Chromium 1020 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
0.14 mg/l , sample collected Jun 10, 2019 06:30, sampling point TF102 Fluoride 1025 EPA method 300.0 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:30, sampling point TF102 Mercury 1035 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:30, sampling point TF102 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:30, sampling point TF102 Selenium 1045 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:30, sampling point TF102 Antimony, Total 1074 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:30, sampling point TF102 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 06:30, sampling point TF102 Thallium, Total 1085 EPA method 200.8 Jan 1, 2017 – Dec 31, 2019
Collected
Jun 10, 2019 02:40
Sampling point
TF103 Treatment Plant T103
Sample type
Routine
Lab sample
190611-003CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 02:40, sampling point TF103 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 10, 2019 02:28
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
190611-002CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 02:28, sampling point TF102 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019
Collected
Jun 10, 2019 02:02
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190611-001CN
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected Jun 10, 2019 02:02, sampling point TF101 Cyanide 1024 EPA method QC10204001X Jan 1, 2017 – Dec 31, 2019

Routine (10).