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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

MS0260042 , Camp Hidden Lake

4 of the 4 analytes this system has been tested for have been detected at least once, across 23 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 23 samples on record, detections range from August 8, 2005 to February 13, 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 Camp Hidden Lake, 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 1040 Inorganic Chemical 7 of 22 results Aug 8, 2005 Feb 13, 2025
Nitrate-Nitrite 1038 Inorganic Chemical 6 of 22 results Nov 13, 2007 Feb 13, 2025
Nitrite 1041 Inorganic Chemical 5 of 22 results Nov 13, 2007 Feb 13, 2025
Sodium 1052 Inorganic Chemical 1 of 1 result Feb 24, 2021 Feb 24, 2021

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 23 samples, newest first — collected February 12, 2018 to February 11, 2026. The summary above covers all 23.

28 results from the 10 samples listed here: 11 detected, 17 not detected. Across the whole record it is 19 of 67. 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 Camp Hidden Lake, every result from 1 to 10 of 23 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 11, 2026 08:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-260212-016
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 11, 2026 08:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 11, 2026 08:30, 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 11, 2026 08:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2026 – Dec 31, 2026
Collected
Feb 13, 2025 09:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-250213-032
Laboratory
MSDH Lab
0.158 mg/l , sample collected Feb 13, 2025 09:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.104 mg/l , sample collected Feb 13, 2025 09:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
0.0537 mg/l , sample collected Feb 13, 2025 09:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Feb 6, 2024 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-240207-019
Laboratory
MSDH Lab
0.168 mg/l , sample collected Feb 6, 2024 14:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
0.102 mg/l , sample collected Feb 6, 2024 14:00, sampling point TF101 Nitrate 1040 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
0.0658 mg/l , sample collected Feb 6, 2024 14:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Jan 30, 2023 14:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-230131-024
Laboratory
MSDH Lab
0.1 mg/l , sample collected Jan 30, 2023 14:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
0.1 mg/l , sample collected Jan 30, 2023 14:00, 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 30, 2023 14:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Feb 1, 2022 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-220202-029
Laboratory
MSDH Lab
0.103 mg/l , sample collected Feb 1, 2022 13:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
0.103 mg/l , sample collected Feb 1, 2022 13:30, 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 Feb 1, 2022 13:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
Feb 24, 2021 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NA-210225-007
Laboratory
MSDH Lab
73 mg/l , sample collected Feb 24, 2021 13:30, sampling point TF101 Sodium 1052 EPA method 200.7 Not recorded
Collected
Feb 24, 2021 13:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
NI-210225-006
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 24, 2021 13:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 24, 2021 13:30, 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 Feb 24, 2021 13:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
Feb 18, 2020 15:30
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
200219-037NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 18, 2020 15:30, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 18, 2020 15:30, 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 Feb 18, 2020 15:30, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Mar 18, 2019 16:00
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
190319-060NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 16:00, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Mar 18, 2019 16:00, 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 Mar 18, 2019 16:00, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2019 – Dec 31, 2019
Collected
Feb 12, 2018 14:20
Sampling point
TF101 Treatment Plant T101
Sample type
Routine
Lab sample
180213-098NI
Laboratory
MSDH Lab
Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Feb 12, 2018 14:20, sampling point TF101 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Not detected below 0.08 mg/l Minimum Reporting Level , sample collected Feb 12, 2018 14:20, 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 12, 2018 14:20, sampling point TF101 Nitrite 1041 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018

Routine (10).