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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

MS0060001 , Town of Alligator

22 of the 57 analytes this system has been tested for have been detected at least once, across 250 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 250 samples on record, detections range from November 11, 1993 to December 16, 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 Alligator, 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 74 results Nov 11, 1993 Sep 2, 2025
Lead 1030 Inorganic Chemical 43 of 74 results Nov 11, 1993 Sep 2, 2025
TTHM 2950 Organic Chemical 22 of 23 results Sep 27, 2004 Mar 29, 2023
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 21 of 22 results Sep 27, 2004 Mar 29, 2023
Barium 1010 Inorganic Chemical 17 of 17 results Jan 29, 2002 Dec 16, 2025
Fluoride 1025 Inorganic Chemical 17 of 17 results Jan 29, 2002 Dec 16, 2025
Chromium 1020 Inorganic Chemical 14 of 17 results Jan 29, 2002 Dec 16, 2025
Chloroform 2941 Organic Chemical 11 of 15 results May 17, 2006 Jul 2, 2014
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 7, 2011 Jul 12, 2012
Bromodichloromethane 2943 Organic Chemical 9 of 15 results May 17, 2006 Apr 22, 2009
Dibromochloromethane 2944 Organic Chemical 7 of 15 results Jul 31, 2006 Mar 9, 2009
Arsenic 1005 Inorganic Chemical 5 of 17 results Jan 26, 2004 Dec 16, 2025
Dichloroacetic Acid 2451 Organic Chemical 5 of 7 results Jan 28, 2008 Jul 26, 2017
Nickel 1036 Inorganic Chemical 5 of 17 results Jan 24, 2006 May 5, 2014
Sodium 1052 Inorganic Chemical 3 of 3 results Sep 24, 2019 Dec 4, 2024
Bromoform 2942 Organic Chemical 3 of 15 results Apr 23, 2007 Mar 9, 2009
Selenium 1045 Inorganic Chemical 3 of 17 results Jan 24, 2006 Mar 10, 2008
Xylenes, Total 2955 Organic Chemical 2 of 39 results Sep 29, 2011 Sep 29, 2011
Monochloroacetic Acid 2450 Organic Chemical 1 of 7 results Jul 26, 2017 Jul 26, 2017
Trichloroacetic Acid 2452 Organic Chemical 1 of 7 results Jan 28, 2008 Jan 28, 2008
Monobromoacetic Acid 2453 Organic Chemical 1 of 7 results Jan 28, 2008 Jan 28, 2008
Cadmium 1015 Inorganic Chemical 1 of 17 results Jan 24, 2006 Jan 24, 2006

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 11–20 of 250 samples, newest first — collected June 15, 2022 to March 29, 2023. The summary above covers all 250.

19 results from the 10 samples listed here: 12 detected, 7 not detected. Across the whole record it is 262 of 1,478. 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 6 sampling points 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 Town of Alligator, every result from 11 to 20 of 250 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
Mar 29, 2023 13:20
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
HA-230330-010
Laboratory
MSDH Lab
42.8 ug/l , sample collected Mar 29, 2023 13:20, sampling point SMD Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2021 – Dec 31, 2023
Collected
Mar 29, 2023 13:00
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
TH-230330-010
Laboratory
MSDH Lab
72.3 ug/l , sample collected Mar 29, 2023 13:00, sampling point SMD TTHM 2950 EPA method 524.2 Jan 1, 2021 – Dec 31, 2023
Collected
Feb 7, 2023 13:40
Sampling point
TF102 Treatment Plant T102
Sample type
Routine
Lab sample
NI-230208-066
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 13:40, sampling point TF102 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 13:40, sampling point TF102 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 13:40, sampling point TF102 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 7, 2023 14:05
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-230208-065
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 14:05, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 14:05, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 7, 2023 14:05, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Sep 14, 2022 13:30
Sampling point
SMD Location withheld
Sample type
Routine
Lab sample
HA-220915-008
Laboratory
MSDH Lab
13.4 ug/l , sample collected Sep 14, 2022 13:30, sampling point SMD Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2021 – Dec 31, 2023
Collected
Jun 15, 2022 06:16
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-220616-104
Laboratory
MSDH Lab
0.0309 mg/l , sample collected Jun 15, 2022 06:16, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
3.5 ug/l , sample collected Jun 15, 2022 06:16, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 15, 2022 10:18
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-220616-105
Laboratory
MSDH Lab
0.0184 mg/l , sample collected Jun 15, 2022 10:18, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.7 ug/l , sample collected Jun 15, 2022 10:18, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 15, 2022 07:00
Sampling point
LC0005 Location withheld
Sample type
Routine
Lab sample
PB-220616-106
Laboratory
MSDH Lab
0.0873 mg/l , sample collected Jun 15, 2022 07:00, sampling point LC0005 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
3.7 ug/l , sample collected Jun 15, 2022 07:00, sampling point LC0005 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 15, 2022 10:05
Sampling point
LC0010 Location withheld
Sample type
Routine
Lab sample
PB-220616-108
Laboratory
MSDH Lab
0.0091 mg/l , sample collected Jun 15, 2022 10:05, sampling point LC0010 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.6 ug/l , sample collected Jun 15, 2022 10:05, sampling point LC0010 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
Jun 15, 2022 07:24
Sampling point
LC0006 Location withheld
Sample type
Routine
Lab sample
PB-220616-107
Laboratory
MSDH Lab
0.456 mg/l , sample collected Jun 15, 2022 07:24, sampling point LC0006 Copper, Free 1022 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Jun 15, 2022 07:24, sampling point LC0006 Lead 1030 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022

Routine (10).