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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.

Nitrate-Nitrite results

MS0710003 , Dennis Water Association

21 samples have been analysed for Nitrate-Nitrite at Dennis Water Association.

This is one analyte out of the system’s whole record. For what has ever been detected here, and when, see all chemical and radiological results; for everything the system is tested for, see the analyte list.

What counts as a non-detect is defined in the help: Less than Indicator. This system’s violations.

No date range is applied: this list draws on every sample on record. Show the last two years only.

Every Nitrate-Nitrite result

The table below lists 1–10 of 21 samples, newest first — collected May 18, 2015 to July 29, 2026.

10 Nitrate-Nitrite results from the 10 samples listed here: 10 detected, 0 not detected. Those samples also carried 21 results for other analytes, which are on the full results page.

Nitrate-Nitrite results for Dennis Water Association, from 1 to 10 of 21 samples shown analysed for it, newest first. This view leaves out other analytes on the same samples. Not detected means the amount was below the level the laboratory can reliably report, which is given beside it.
Result Analyte Monitoring period
Collected
Jul 29, 2026
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
35054518001
Laboratory
Pace Analytical Services, LLC
0.83 mg/l , sample collected Jul 29, 2026, sampling point TF080 Nitrate-Nitrite 1038 Not recorded
Collected
Apr 22, 2025 13:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-250423-006
Laboratory
MSDH Lab
0.8 mg/l , sample collected Apr 22, 2025 13:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2025 – Dec 31, 2025
Collected
Apr 17, 2024 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-240418-057
Laboratory
MSDH Lab
0.59 mg/l , sample collected Apr 17, 2024 14:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2024 – Dec 31, 2024
Collected
Mar 7, 2023 13:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-230308-118
Laboratory
MSDH Lab
0.579 mg/l , sample collected Mar 7, 2023 13:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2023 – Dec 31, 2023
Collected
Apr 6, 2022 13:35
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-220407-021
Laboratory
MSDH Lab
0.694 mg/l , sample collected Apr 6, 2022 13:35, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2022 – Dec 31, 2022
Collected
May 5, 2021 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
NI-210506-003
Laboratory
MSDH Lab
0.864 mg/l , sample collected May 5, 2021 14:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2021 – Dec 31, 2021
Collected
May 20, 2020 15:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
200521-014NI
Laboratory
MSDH Lab
0.85 mg/l , sample collected May 20, 2020 15:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2020 – Dec 31, 2020
Collected
Nov 13, 2018 12:15
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
181114-015NI
Laboratory
MSDH Lab
0.8 mg/l , sample collected Nov 13, 2018 12:15, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2018 – Dec 31, 2018
Collected
May 31, 2016 14:30
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
160601-043NI
Laboratory
MSDH Lab
0.82 mg/l , sample collected May 31, 2016 14:30, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2016 – Dec 31, 2016
Collected
May 18, 2015 14:00
Sampling point
TF080 Treatment Plant T080
Sample type
Routine
Lab sample
150519-036NI
Laboratory
MSDH Lab
0.7 mg/l , sample collected May 18, 2015 14:00, sampling point TF080 Nitrate-Nitrite 1038 EPA method QC10107041C Jan 1, 2015 – Dec 31, 2015

Routine (10).