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
MS0730010 , Lake Arrowhead
64 samples have been analysed for Nitrate-Nitrite at Lake Arrowhead.
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 21–30 of 64 samples, newest first — collected May 27, 2015 to April 11, 2018.
10 Nitrate-Nitrite results from the 10 samples listed here: 9 detected, 1 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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| Not detected below 0.1 mg/l Minimum Reporting Level , sample collected Apr 11, 2018 10:30, sampling point TF103 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2018 – Dec 31, 2018 |
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| 3.37 mg/l , sample collected Apr 11, 2017 01:49, sampling point TF102 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
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| 2.93 mg/l , sample collected Apr 11, 2017 01:40, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
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| 2.45 mg/l , sample collected Apr 11, 2017 02:07, sampling point TF103 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2017 – Dec 31, 2017 |
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| 2.74 mg/l , sample collected Jun 8, 2016 09:21, sampling point TF102 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2016 – Dec 31, 2016 |
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| 2.79 mg/l , sample collected Jun 8, 2016 09:15, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2016 – Dec 31, 2016 |
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| 2.9 mg/l , sample collected Jun 8, 2016 09:40, sampling point TF103 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2016 – Dec 31, 2016 |
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| 2.96 mg/l , sample collected May 27, 2015 10:50, sampling point TF103 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2015 – Dec 31, 2015 |
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| 2.96 mg/l , sample collected May 27, 2015 10:40, sampling point TF101 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2015 – Dec 31, 2015 |
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| 2.95 mg/l , sample collected May 27, 2015 11:10, sampling point TF102 | Nitrate-Nitrite 1038 EPA method QC10107041C | Jan 1, 2015 – Dec 31, 2015 |
-
- Collected
- Apr 11, 2018 10:30
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 180412-009NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2018 – Dec 31, 2018
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- Not detected below 0.1 mg/l Minimum Reporting Level
-
- Collected
- Apr 11, 2017 01:49
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 170412-028NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2017
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 3.37 mg/l
-
- Collected
- Apr 11, 2017 01:40
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 170412-020NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2017
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 2.93 mg/l
-
- Collected
- Apr 11, 2017 02:07
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 170412-010NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2017 – Dec 31, 2017
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 2.45 mg/l
-
- Collected
- Jun 8, 2016 09:21
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 160609-015NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2016 – Dec 31, 2016
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 2.74 mg/l
-
- Collected
- Jun 8, 2016 09:15
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 160609-014NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2016 – Dec 31, 2016
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 2.79 mg/l
-
- Collected
- Jun 8, 2016 09:40
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 160609-012NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2016 – Dec 31, 2016
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 2.9 mg/l
-
- Collected
- May 27, 2015 10:50
- Sampling point
- TF103 Treatment Plant T103
- Sample type
- Routine
- Lab sample
- 150528-030NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2015
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 2.96 mg/l
-
- Collected
- May 27, 2015 10:40
- Sampling point
- TF101 Treatment Plant T101
- Sample type
- Routine
- Lab sample
- 150528-020NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2015
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 2.96 mg/l
-
- Collected
- May 27, 2015 11:10
- Sampling point
- TF102 Treatment Plant T102
- Sample type
- Routine
- Lab sample
- 150528-010NI
- Laboratory
- MSDH Lab
- Monitoring period
- Jan 1, 2015 – Dec 31, 2015
-
Nitrate-Nitrite 1038 EPA method QC10107041C
- Result
- 2.95 mg/l
Routine (10).