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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

MS0220036 , Grenada Ind PK & Airport Water

37 of the 71 analytes this system has been tested for have been detected at least once, across 485 samples on record.

The other 34 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 485 samples on record, detections range from July 26, 1993 to September 30, 2025. 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 Grenada Ind PK & Airport Water, 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 136 of 139 results Jul 26, 1993 Sep 30, 2025
Lead 1030 Inorganic Chemical 94 of 139 results Jul 26, 1993 Sep 30, 2025
TTHM 2950 Organic Chemical 50 of 51 results Sep 15, 2004 May 13, 2025
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 47 of 49 results Sep 15, 2004 May 13, 2025
Chloroform 2941 Organic Chemical 35 of 39 results Sep 13, 2006 May 13, 2025
Bromodichloromethane 2943 Organic Chemical 33 of 39 results Sep 13, 2006 May 13, 2025
Dibromochloromethane 2944 Organic Chemical 33 of 39 results Sep 13, 2006 May 13, 2025
Bromoform 2942 Organic Chemical 32 of 39 results Feb 21, 2007 May 13, 2025
Dichloroacetic Acid 2451 Organic Chemical 27 of 34 results Jan 30, 2008 May 13, 2025
Dibromoacetic Acid 2454 Organic Chemical 27 of 34 results Jan 30, 2008 May 13, 2025
Fluoride 1025 Inorganic Chemical 26 of 26 results Jun 18, 2002 Feb 3, 2025
Trichloroacetic Acid 2452 Organic Chemical 24 of 34 results Jan 30, 2008 May 13, 2025
Barium 1010 Inorganic Chemical 24 of 24 results Jun 18, 2002 Feb 3, 2025
Xylenes, Total 2955 Organic Chemical 20 of 135 results Jul 20, 2004 Jul 11, 2022
Chromium 1020 Inorganic Chemical 18 of 24 results Jun 18, 2002 Feb 3, 2025
Selenium 1045 Inorganic Chemical 17 of 24 results Jun 18, 2002 Apr 27, 2022
Arsenic 1005 Inorganic Chemical 16 of 24 results Jun 18, 2002 Feb 3, 2025
Gross Alpha, Incl. Radon & U 4002 Radionuclide 10 of 10 results Dec 12, 2011 Jul 12, 2012
Monochloroacetic Acid 2450 Organic Chemical 9 of 34 results Apr 29, 2008 Sep 23, 2024
Sodium 1052 Inorganic Chemical 6 of 6 results Oct 15, 2008 Feb 3, 2025
Monobromoacetic Acid 2453 Organic Chemical 6 of 34 results Apr 6, 2009 Sep 23, 2024
Nickel 1036 Inorganic Chemical 6 of 24 results Feb 4, 2004 Apr 27, 2022
Calcium 1016 Inorganic Chemical 2 of 2 results Oct 15, 2008 Oct 15, 2008
Chloride 1017 Inorganic Chemical 2 of 2 results Oct 15, 2008 Oct 15, 2008
Iron 1028 Inorganic Chemical 2 of 2 results Oct 15, 2008 Oct 15, 2008
Magnesium 1031 Inorganic Chemical 2 of 2 results Oct 15, 2008 Oct 15, 2008
Manganese 1032 Inorganic Chemical 2 of 2 results Oct 15, 2008 Oct 15, 2008
Potassium 1042 Inorganic Chemical 2 of 2 results Oct 15, 2008 Oct 15, 2008
Residue, Total, Filterable 1057 Water Quality 2 of 2 results Oct 15, 2008 Oct 15, 2008
Alkalinity, Caco3 Stability 1067 Water Quality 2 of 2 results Oct 15, 2008 Oct 15, 2008
Carbon Dioxide 1901 Water Quality 2 of 2 results Oct 15, 2008 Oct 15, 2008
Hardness, Total (As Caco3) 1915 Water Quality 2 of 2 results Oct 15, 2008 Oct 15, 2008
Alkalinity, Total 1927 Water Quality 2 of 2 results Oct 15, 2008 Oct 15, 2008
Calculated Sodium NACA Water Quality 2 of 2 results Oct 15, 2008 Oct 15, 2008
PH, Field Result PHFD Water Quality 2 of 2 results Oct 15, 2008 Oct 15, 2008
Nitrite 1041 Inorganic Chemical 1 of 47 results Feb 1, 2012 Feb 1, 2012
Cyanide 1024 Inorganic Chemical 1 of 24 results Sep 19, 2011 Sep 19, 2011

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

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The most recent samples, result by result

The table below lists 1–10 of 31 samples, newest first — collected September 30, 2025 to September 30, 2025. The summary above covers all 31.

20 results from the 10 samples listed here: 13 detected, 7 not detected. Across the whole record it is 724 of 4,063. 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 10 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 Grenada Ind PK & Airport Water, every result from 1 to 10 of 31 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 30, 2025 14:20
Sampling point
LC0001 Location withheld
Sample type
Routine
Lab sample
PB-251002-040
Laboratory
MSDH Lab
0.0152 mg/l , sample collected Sep 30, 2025 14:20, sampling point LC0001 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 30, 2025 14:20, sampling point LC0001 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 13:55
Sampling point
LC0002 Location withheld
Sample type
Routine
Lab sample
PB-251002-039
Laboratory
MSDH Lab
0.0149 mg/l , sample collected Sep 30, 2025 13:55, sampling point LC0002 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 30, 2025 13:55, sampling point LC0002 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 13:21
Sampling point
LC0003 Location withheld
Sample type
Routine
Lab sample
PB-251002-038
Laboratory
MSDH Lab
0.02 mg/l , sample collected Sep 30, 2025 13:21, sampling point LC0003 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 30, 2025 13:21, sampling point LC0003 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 13:15
Sampling point
LC0017 Location withheld
Sample type
Routine
Lab sample
PB-251002-037
Laboratory
MSDH Lab
0.021 mg/l , sample collected Sep 30, 2025 13:15, sampling point LC0017 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
0.5 ug/l , sample collected Sep 30, 2025 13:15, sampling point LC0017 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 12:40
Sampling point
LC0020 Location withheld
Sample type
Routine
Lab sample
PB-251002-036
Laboratory
MSDH Lab
0.012 mg/l , sample collected Sep 30, 2025 12:40, sampling point LC0020 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 30, 2025 12:40, sampling point LC0020 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 14:00
Sampling point
LC0004 Location withheld
Sample type
Routine
Lab sample
PB-251002-035
Laboratory
MSDH Lab
0.0096 mg/l , sample collected Sep 30, 2025 14:00, sampling point LC0004 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 30, 2025 14:00, sampling point LC0004 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 13:05
Sampling point
LC0013 Location withheld
Sample type
Routine
Lab sample
PB-251002-034
Laboratory
MSDH Lab
0.0166 mg/l , sample collected Sep 30, 2025 13:05, sampling point LC0013 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 30, 2025 13:05, sampling point LC0013 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 14:30
Sampling point
LC0011 Location withheld
Sample type
Routine
Lab sample
PB-251002-033
Laboratory
MSDH Lab
0.0163 mg/l , sample collected Sep 30, 2025 14:30, sampling point LC0011 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
6.7 ug/l , sample collected Sep 30, 2025 14:30, sampling point LC0011 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 13:14
Sampling point
LC0008 Location withheld
Sample type
Routine
Lab sample
PB-251002-032
Laboratory
MSDH Lab
0.0171 mg/l , sample collected Sep 30, 2025 13:14, sampling point LC0008 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Not detected below 0.5 ug/l Minimum Reporting Level , sample collected Sep 30, 2025 13:14, sampling point LC0008 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
Collected
Sep 30, 2025 13:40
Sampling point
LC0015 Location withheld
Sample type
Routine
Lab sample
PB-251002-031
Laboratory
MSDH Lab
0.0138 mg/l , sample collected Sep 30, 2025 13:40, sampling point LC0015 Copper, Free 1022 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025
2.9 ug/l , sample collected Sep 30, 2025 13:40, sampling point LC0015 Lead 1030 EPA method 200.8 Jan 1, 2023 – Dec 31, 2025

Routine (10).