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.
Nitrite results
MS0450010 , City of Madison
77 samples have been analysed for Nitrite at City of Madison.
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 Nitrite result
The table below lists 11–20 of 77 samples, newest first — collected March 30, 2021 to February 28, 2023.
10 Nitrite results from the 10 samples listed here: 1 detected, 9 not detected. Those samples also carried 20 results for other analytes, which are on the full results page.
| Result | Analyte | Monitoring period |
|---|---|---|
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| 0.118 mg/l , sample collected Feb 28, 2023 13:38, sampling point TF104 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 13:20, sampling point TF103 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Feb 28, 2023 12:55, sampling point TF080 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2023 – Dec 31, 2023 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 8, 2022 08:44, sampling point TF105 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 8, 2022 08:08, sampling point TF104 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 8, 2022 09:18, sampling point TF103 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 8, 2022 08:36, sampling point TF080 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2022 – Dec 31, 2022 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 09:35, sampling point TF105 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 08:30, sampling point TF104 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
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| Not detected below 0.02 mg/l Minimum Reporting Level , sample collected Mar 30, 2021 09:15, sampling point TF103 | Nitrite 1041 EPA method QC10107041C | Jan 1, 2021 – Dec 31, 2021 |
-
- Collected
- Feb 28, 2023 13:38
- Sampling point
- TF104 Treatment Plant T104
- Sample type
- Routine
- Lab sample
- NI-230228-108
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Nitrite 1041 EPA method QC10107041C
- Result
- 0.118 mg/l
-
- Collected
- Feb 28, 2023 13:20
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- NI-230228-107
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Feb 28, 2023 12:55
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- NI-230228-110
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2023 – Dec 31, 2023
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 8, 2022 08:44
- Sampling point
- TF105 Treatment Facility TF105
- Sample type
- Routine
- Lab sample
- NI-220308-070
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 8, 2022 08:08
- Sampling point
- TF104 Treatment Plant T104
- Sample type
- Routine
- Lab sample
- NI-220308-069
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 8, 2022 09:18
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- NI-220308-068
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 8, 2022 08:36
- Sampling point
- TF080 Treatment Plant T080
- Sample type
- Routine
- Lab sample
- NI-220308-067
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2022 – Dec 31, 2022
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 30, 2021 09:35
- Sampling point
- TF105 Treatment Facility TF105
- Sample type
- Routine
- Lab sample
- NI-210330-036
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 30, 2021 08:30
- Sampling point
- TF104 Treatment Plant T104
- Sample type
- Routine
- Lab sample
- NI-210330-037
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
-
- Collected
- Mar 30, 2021 09:15
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- NI-210330-035
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2021 – Dec 31, 2021
-
Nitrite 1041 EPA method QC10107041C
- Result
- Not detected below 0.02 mg/l Minimum Reporting Level
Routine (10).