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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

MS0010019 , Natchez State Park-B

4 of the 4 analytes this system has been tested for have been detected at least once, across 28 samples on record.

The other 0 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 28 samples on record, detections range from November 29, 2004 to February 2, 2026. 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 Natchez State Park-B, 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
Nitrate-Nitrite 1038 Inorganic Chemical 25 of 27 results Nov 29, 2004 Feb 2, 2026
Nitrate 1040 Inorganic Chemical 25 of 27 results Nov 29, 2004 Feb 2, 2026
Sodium 1052 Inorganic Chemical 1 of 1 result Jan 19, 2021 Jan 19, 2021
Nitrite 1041 Inorganic Chemical 1 of 27 results Oct 19, 2011 Oct 19, 2011

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 1–10 of 28 samples, newest first — collected February 6, 2018 to February 2, 2026. The summary above covers all 28.

28 results from the 10 samples listed here: 19 detected, 9 not detected. Across the whole record it is 52 of 82. 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 Natchez State Park-B, every result from 1 to 10 of 28 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
Feb 2, 2026 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-260203-007
Laboratory
MSDH Lab
0.279 mg/l , sample collected Feb 2, 2026 12:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
0.279 mg/l , sample collected Feb 2, 2026 12:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 2, 2026 12:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Jan 13, 2025 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250114-003
Laboratory
MSDH Lab
0.292 mg/l , sample collected Jan 13, 2025 12:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.292 mg/l , sample collected Jan 13, 2025 12:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 13, 2025 12:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Jan 8, 2024 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240109-032
Laboratory
MSDH Lab
0.297 mg/l , sample collected Jan 8, 2024 12:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
0.297 mg/l , sample collected Jan 8, 2024 12:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 8, 2024 12:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 9, 2023 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-230110-012
Laboratory
MSDH Lab
0.308 mg/l , sample collected Jan 9, 2023 12:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
0.308 mg/l , sample collected Jan 9, 2023 12:00, 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 Jan 9, 2023 12:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Jan 4, 2022 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220105-006
Laboratory
MSDH Lab
0.284 mg/l , sample collected Jan 4, 2022 12:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
0.284 mg/l , sample collected Jan 4, 2022 12:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 4, 2022 12:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Jan 19, 2021 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-210120-019
Laboratory
MSDH Lab
13.3 mg/l , sample collected Jan 19, 2021 12:00, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Jan 19, 2021 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-210120-041
Laboratory
MSDH Lab
0.289 mg/l , sample collected Jan 19, 2021 12:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
0.289 mg/l , sample collected Jan 19, 2021 12:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 19, 2021 12:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Jan 14, 2020 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
200115-017NI
Laboratory
MSDH Lab
0.34 mg/l , sample collected Jan 14, 2020 12:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
0.34 mg/l , sample collected Jan 14, 2020 12:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 14, 2020 12:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Nov 4, 2019 12:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
191105-003NI
Laboratory
MSDH Lab
0.3 mg/l , sample collected Nov 4, 2019 12:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
0.3 mg/l , sample collected Nov 4, 2019 12:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 4, 2019 12:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Feb 6, 2018 12:15
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
180207-049NI
Laboratory
MSDH Lab
0.29 mg/l , sample collected Feb 6, 2018 12:15, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
0.29 mg/l , sample collected Feb 6, 2018 12:15, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 6, 2018 12:15, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018

Routine (10).