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
MS0010018 , Natchez State Park Campground
18 of the 21 analytes this system has been tested for have been detected at least once, across 24 samples on record.
The other 3 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 24 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.
| Analyte | Kind | Detected in | First detected | Last detected |
|---|---|---|---|---|
| Nitrate-Nitrite 1038 | Inorganic Chemical | 23 of 23 results | Nov 29, 2004 | Feb 2, 2026 |
| Nitrate 1040 | Inorganic Chemical | 23 of 23 results | Nov 29, 2004 | Feb 2, 2026 |
| Calcium 1016 | Inorganic Chemical | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Chloride 1017 | Inorganic Chemical | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Fluoride 1025 | Inorganic Chemical | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Iron 1028 | Inorganic Chemical | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Magnesium 1031 | Inorganic Chemical | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Potassium 1042 | Inorganic Chemical | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Sodium 1052 | Inorganic Chemical | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Sulfate 1055 | Inorganic Chemical | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Residue, Total, Filterable 1057 | Water Quality | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Alkalinity, Caco3 Stability 1067 | Water Quality | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Carbon Dioxide 1901 | Water Quality | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Hardness, Total (As Caco3) 1915 | Water Quality | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Alkalinity, Total 1927 | Water Quality | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Calculated Sodium NACA | Water Quality | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| PH, Field Result PHFD | Water Quality | 1 of 1 result | Feb 17, 2011 | Feb 17, 2011 |
| Temperature, Field Result TEMP | Water Quality | 1 of 1 result | Feb 17, 2011 | Feb 17, 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 24 samples, newest first — collected January 17, 2017 to February 2, 2026. The summary above covers all 24.
30 results from the 10 samples listed here: 20 detected, 10 not detected. Across the whole record it is 62 of 87. A sample is analysed for many analytes at once, so one sample appears on as many rows as it had results.
| Result | Analyte | Monitoring period |
|---|---|---|
|
||
| 0.832 mg/l , sample collected Feb 2, 2026 12:15, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2026 – Dec 31, 2026 |
| 0.832 mg/l , sample collected Feb 2, 2026 12:15, 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 12:15, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2026 – Dec 31, 2026 |
|
||
| 0.839 mg/l , sample collected Jan 13, 2025 12:15, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
| 0.839 mg/l , sample collected Jan 13, 2025 12:15, 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 12:15, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2025 – Dec 31, 2025 |
|
||
| 0.815 mg/l , sample collected Jan 8, 2024 12:15, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2024 – Dec 31, 2024 |
| 0.815 mg/l , sample collected Jan 8, 2024 12:15, 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 12:15, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2024 – Dec 31, 2024 |
|
||
| 0.836 mg/l , sample collected Jan 10, 2023 12:00, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
| 0.836 mg/l , sample collected Jan 10, 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 10, 2023 12:00, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
|
||
| 0.817 mg/l , sample collected Jan 4, 2022 12:30, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
| 0.817 mg/l , sample collected Jan 4, 2022 12:30, 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 12:30, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
|
||
| 0.804 mg/l , sample collected Apr 19, 2021 12:00, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
| 0.804 mg/l , sample collected Apr 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 Apr 19, 2021 12:00, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
|
||
| 0.749 mg/l , sample collected Jan 19, 2021 12:15, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
| 0.749 mg/l , sample collected Jan 19, 2021 12:15, 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 12:15, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
|
||
| 0.814 mg/l , sample collected Nov 16, 2020 12:00, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Oct 1, 2020 – Dec 31, 2020 |
| 0.814 mg/l , sample collected Nov 16, 2020 12:00, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Oct 1, 2020 – Dec 31, 2020 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Nov 16, 2020 12:00, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Oct 1, 2020 – Dec 31, 2020 |
|
||
| 0.73 mg/l , sample collected Sep 21, 2020 12:15, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jul 1, 2020 – Sep 30, 2020 |
| 0.72 mg/l , sample collected Sep 21, 2020 12:15, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Jul 1, 2020 – Sep 30, 2020 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Sep 21, 2020 12:15, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jul 1, 2020 – Sep 30, 2020 |
|
||
| 0.84 mg/l , sample collected Jan 17, 2017 12:45, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
| 0.84 mg/l , sample collected Jan 17, 2017 12:45, sampling point TF101 | Nitrate 1040 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Jan 17, 2017 12:45, sampling point TF101 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
-
- Collected
- Feb 2, 2026 12:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-260203-005
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2026 – Dec 31, 2026
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.832 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.832 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Jan 13, 2025 12:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-250114-012
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2025 – Dec 31, 2025
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.839 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.839 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Jan 8, 2024 12:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-240109-006
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2024 – Dec 31, 2024
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.815 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.815 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Jan 10, 2023 12:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-230111-004
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.836 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.836 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Jan 4, 2022 12:30
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-220105-007
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.817 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.817 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Apr 19, 2021 12:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-210420-094
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.804 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.804 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Jan 19, 2021 12:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-210120-049
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.749 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.749 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Nov 16, 2020 12:00
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- NI-201117-023
- Laboratory
- MSDH Lab
- Monitoring period
- Oct 1, 2020 – Dec 31, 2020
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.814 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.814 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Sep 21, 2020 12:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 200922-002NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jul 1, 2020 – Sep 30, 2020
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.73 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.72 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Jan 17, 2017 12:45
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 170118-114NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2017
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 0.84 mg/l
-
Nitrate 1040 EPA method QC10107041C
- Result
- 0.84 mg/l
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
Routine (10).