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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

MS0380026 , Meridian Naval Air Station

33 of the 62 analytes this system has been tested for have been detected at least once, across 211 samples on record.

The other 29 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 211 samples on record, detections range from September 29, 2003 to June 5, 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 Meridian Naval Air Station, 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 88 of 88 results Jun 14, 2006 Aug 14, 2024
Lead 1030 Inorganic Chemical 35 of 88 results Jun 14, 2006 Aug 14, 2024
Total Haloacetic Acids (Haa5) 2456 Organic Chemical 21 of 22 results Sep 21, 2009 Jun 5, 2025
TTHM 2950 Organic Chemical 21 of 21 results Jun 21, 2004 Jun 5, 2025
Dichloroacetic Acid 2451 Organic Chemical 16 of 16 results Sep 21, 2009 Jun 5, 2025
Chloroform 2941 Organic Chemical 15 of 15 results Aug 15, 2007 Jun 5, 2025
Bromodichloromethane 2943 Organic Chemical 15 of 15 results Aug 15, 2007 Jun 5, 2025
Dibromochloromethane 2944 Organic Chemical 15 of 15 results Aug 15, 2007 Jun 5, 2025
Trichloroacetic Acid 2452 Organic Chemical 14 of 16 results Jul 8, 2015 Jun 5, 2025
Fluoride 1025 Inorganic Chemical 13 of 13 results Sep 29, 2003 Feb 26, 2025
Barium 1010 Inorganic Chemical 10 of 10 results Sep 29, 2003 Feb 26, 2025
Bromoform 2942 Organic Chemical 6 of 15 results Jun 3, 2024 Jun 5, 2025
Sodium 1052 Inorganic Chemical 6 of 6 results Sep 17, 2019 Feb 12, 2025
Sulfate 1055 Inorganic Chemical 5 of 5 results Sep 29, 2003 May 12, 2021
Xylenes, Total 2955 Organic Chemical 5 of 30 results Aug 12, 2004 Oct 9, 2018
Gross Alpha, Incl. Radon & U 4002 Radionuclide 5 of 6 results Mar 7, 2012 Oct 4, 2012
Nickel 1036 Inorganic Chemical 4 of 10 results Mar 3, 2004 Feb 26, 2025
Dibromoacetic Acid 2454 Organic Chemical 4 of 16 results Jul 8, 2015 Jun 3, 2024
Monobromoacetic Acid 2453 Organic Chemical 4 of 16 results Aug 27, 2018 Sep 8, 2020
Chromium 1020 Inorganic Chemical 3 of 10 results Mar 3, 2004 Feb 26, 2025
Monochloroacetic Acid 2450 Organic Chemical 3 of 16 results Aug 27, 2018 Aug 28, 2024
Calcium 1016 Inorganic Chemical 3 of 3 results May 12, 2021 May 12, 2021
Chloride 1017 Inorganic Chemical 3 of 3 results May 12, 2021 May 12, 2021
Conductivity @ 25 C Umhos/CM 1064 Water Quality 3 of 3 results May 12, 2021 May 12, 2021
Color 1905 Water Quality 3 of 3 results May 12, 2021 May 12, 2021
Alkalinity, Total 1927 Water Quality 3 of 3 results May 12, 2021 May 12, 2021
Ethylbenzene 2992 Organic Chemical 2 of 30 results Aug 12, 2004 Oct 9, 2018
Combined Radium (-226 & -228) 4010 Radionuclide 1 of 6 results Sep 11, 2019 Sep 11, 2019
Radium-226 4020 Radionuclide 1 of 6 results Sep 11, 2019 Sep 11, 2019
Radium-228 4030 Radionuclide 1 of 6 results Sep 11, 2019 Sep 11, 2019
Arsenic 1005 Inorganic Chemical 1 of 10 results Apr 30, 2012 Apr 30, 2012
Dichloromethane 2964 Organic Chemical 1 of 30 results Aug 12, 2004 Aug 12, 2004
Selenium 1045 Inorganic Chemical 1 of 10 results Mar 3, 2004 Mar 3, 2004

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 31–40 of 211 samples, newest first — collected September 13, 2021 to October 25, 2023. The summary above covers all 211.

24 results from the 10 samples listed here: 9 detected, 15 not detected. Across the whole record it is 331 of 1,233. 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 Meridian Naval Air Station, every result from 31 to 40 of 211 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
Oct 25, 2023 12:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-231026-010
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Oct 25, 2023 12:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Oct 25, 2023 12:00, sampling point TF080 Nitrate 1040 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Oct 25, 2023 12:00, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jun 14, 2023 13:43
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-230615-005
Laboratory
MSDH Lab
19 ug/l , sample collected Jun 14, 2023 13:43, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Jun 14, 2023 13:43
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-230615-005
Laboratory
MSDH Lab
7.46 ug/l , sample collected Jun 14, 2023 13:43, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
Aug 29, 2022 11:48
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
IN-220830-054
Laboratory
MSDH Lab
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 11:48, sampling point TF080 Arsenic 1005 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0414 mg/l , sample collected Aug 29, 2022 11:48, sampling point TF080 Barium 1010 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 11:48, sampling point TF080 Cadmium 1015 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 11:48, sampling point TF080 Chromium 1020 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.867 mg/l , sample collected Aug 29, 2022 11:48, sampling point TF080 Fluoride 1025 EPA method QC 10-109-12-2-A Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 11:48, sampling point TF080 Mercury 1035 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
0.0007 mg/l , sample collected Aug 29, 2022 11:48, sampling point TF080 Nickel 1036 EPA method 200.8 Not recorded
Not detected below 0.0025 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 11:48, sampling point TF080 Selenium 1045 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 11:48, sampling point TF080 Antimony, Total 1074 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 11:48, sampling point TF080 Beryllium, Total 1075 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Not detected below 0.0005 mg/l Minimum Reporting Level , sample collected Aug 29, 2022 11:48, sampling point TF080 Thallium, Total 1085 EPA method 200.8 Jan 1, 2020 – Dec 31, 2022
Collected
May 11, 2022 12:10
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
CN-220512-025
Laboratory
MSDH Lab
Not detected below 0.015 mg/l Minimum Reporting Level , sample collected May 11, 2022 12:10, sampling point TF080 Cyanide 1024 EPA method QC10204001X Jan 1, 2020 – Dec 31, 2022
Collected
May 4, 2022 12:20
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-220505-004
Laboratory
MSDH Lab
6.42 ug/l , sample collected May 4, 2022 12:20, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Not recorded
Collected
May 4, 2022 12:15
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
TH-220505-004
Laboratory
MSDH Lab
12.1 ug/l , sample collected May 4, 2022 12:15, sampling point MRT000 TTHM 2950 EPA method 524.2 Not recorded
Collected
Feb 16, 2022 11:48
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NA-220217-037
Laboratory
MSDH Lab
7.39 mg/l , sample collected Feb 16, 2022 11:48, sampling point TF080 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 16, 2022 11:48
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220217-012
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 16, 2022 11:48, 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 Feb 16, 2022 11:48, 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 Feb 16, 2022 11:48, sampling point TF080 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Sep 13, 2021 12:34
Sampling point
MRT000 Max. Res. Time
Sample type
Routine
Lab sample
HA-210914-013
Laboratory
MSDH Lab
19.2 ug/l , sample collected Sep 13, 2021 12:34, sampling point MRT000 Total Haloacetic Acids (Haa5) 2456 EPA method 552.2 Jan 1, 2021 – Dec 31, 2021

Routine (10).