Nitrite
Pleasant City, Village of
Nitrite, closely related to the fertilizer chemical nitrate, comes from urban runoff and from fertilizer applied to agricultural lands to pollute drinking water. Nitrite is significantly more toxic than nitrate. Excessive nitrite in water can cause oxygen deprivation in infants and increase the risk of cancer.
24
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 0.375 ppm | 4 | 3 | ND - 0.590 ppm |
| 2019 | 0.373 ppm | 4 | 2 | ND - 0.770 ppm |
| 2020 | 0.0925 ppm | 4 | 1 | ND - 0.370 ppm |
| 2021 | 0.265 ppm | 4 | 3 | ND - 0.420 ppm |
| 2022 | 0.485 ppm | 4 | 3 | ND - 0.750 ppm |
| 2023 | 0.413 ppm | 4 | 4 | 0.200 ppm - 0.840 ppm |
ppm = parts per million
State, National, and Health Guidelines for Drinking Water
EPA Maximum Contaminant
Level (MCL): 1 ppm
The legal limit for nitrite, established in 1991, was based on the rate of conversion of ingested nitrate into nitrite in adults. This limit may not fully protect against the risk of cancer due to nitrite exposure.
ppm = parts per million
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-01-30 | A180564898 | 0.320 ppm |
| 2018-06-05 | A180041412 | 0.590 ppm |
| 2018-08-21 | A180614929 | 0.590 ppm |
| 2018-11-27 | 8K03051-01 | ND |
| 2019-02-19 | 9B02250-01 | ND |
| 2019-04-30 | 9E00027-01 | ND |
| 2019-07-30 | 9G04821-01 | 0.720 ppm |
| 2019-11-26 | 9K03107-01 | 0.770 ppm |
| 2020-01-07 | 0A00938-03 | ND |
| 2020-04-21 | 0D02597-01 | ND |
| 2020-07-14 | 0G02231-01 | ND |
| 2020-11-03 | 0K00271-01 | 0.370 ppm |
| 2021-01-19 | 1A02055-01 | ND |
| 2021-06-08 | 1F01418-01 | 0.350 ppm |
| 2021-08-17 | 1H02788-01 | 0.290 ppm |
| 2021-10-05 | 1J00528-01 | 0.420 ppm |
| 2022-02-01 | 2B00271-01 | 0.640 ppm |
| 2022-04-12 | 2D01433-02 | 0.550 ppm |
| 2022-07-12 | 2G01814-01 | 0.750 ppm |
| 2022-11-15 | 2K02099-01 | ND |
| 2023-01-03 | 3A00250-01 | 0.840 ppm |
| 2023-04-18 | 3D02417-01 | 0.230 ppm |
| 2023-08-08 | 3H01671-01 | 0.380 ppm |
| 2023-10-24 | 3J03878-02 | 0.200 ppm |