Nitrite
Regional Water Authority
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.
158
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 | ND | 11 | 0 | ND |
| 2019 | ND | 11 | 0 | ND |
| 2020 | ND | 13 | 0 | ND |
| 2021 | ND | 97 | 0 | ND |
| 2022 | ND | 11 | 0 | ND |
| 2023 | ND | 15 | 0 | ND |
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 |
|---|---|---|
| 2018-03-14 | NOX 200489867 | ND |
| 2018-03-14 | NOX 200489870 | ND |
| 2018-03-14 | NOX 200489868 | ND |
| 2018-03-14 | NOX 200489884 | ND |
| 2018-03-14 | NOX 200489885 | ND |
| 2018-03-14 | NOX 200489871 | ND |
| 2018-03-14 | NOX 200489913 | ND |
| 2018-03-14 | NOX 200489914 | ND |
| 2018-03-15 | NOX 200490061 | ND |
| 2018-11-29 | NOX 200514097 | ND |
| 2018-11-29 | NOX 200514112 | ND |
| 2019-03-18 | NOX 200524895 | ND |
| 2019-03-19 | NOX 200525057 | ND |
| 2019-03-19 | NOX 200525060 | ND |
| 2019-03-19 | NOX 200525058 | ND |
| 2019-03-19 | NOX 200525059 | ND |
| 2019-03-19 | NOX 200525077 | ND |
| 2019-03-19 | NOX 200525078 | ND |
| 2019-03-19 | NOX 200525061 | ND |
| 2019-03-19 | NOX 200525097 | ND |
| 2019-03-19 | NOX 200525098 | ND |
| 2019-05-08 | NOX 200531297 | ND |
| 2020-02-10 | NOX 200565460 | ND |
| 2020-02-11 | NOX 200565624 | ND |
| 2020-02-11 | NOX 200565625 | ND |
| 2020-02-11 | NOX 200565627 | ND |
| 2020-02-11 | NOX 200565625A | ND |
| 2020-02-11 | NOX 200565626 | ND |
| 2020-02-11 | NOX 200565593 | ND |
| 2020-02-11 | NOX 200565594 | ND |
| 2020-02-11 | NOX 200565628A | ND |
| 2020-02-11 | NOX 200565616 | ND |
| 2020-02-11 | NOX 200565617 | ND |
| 2020-02-11 | NOX 200565628 | ND |
| 2020-08-11 | NOX 200585733 | ND |
| 2021-02-09 | NOX 200606114 | ND |
| 2021-02-09 | NOX 200606111 | ND |
| 2021-02-09 | NOX 200606110 | ND |
| 2021-02-09 | NOX 200606109 | ND |
| 2021-02-09 | NOX 200605956 | ND |
| 2021-02-09 | NOX 200605886 | ND |
| 2021-02-09 | NOX 200605888 | ND |
| 2021-02-09 | NOX 200605959 | ND |
| 2021-02-09 | NOX 200606116 | ND |
| 2021-09-20 | N300062460 300062463 | ND |
| 2021-09-20 | N300062466 300062469 | ND |
| 2021-09-20 | N300062475 300062478 | ND |
| 2021-09-20 | N300062500 300062503 | ND |
| 2021-09-20 | N300062713 300062716 | ND |
| 2021-09-20 | N300062724 300062727 | ND |
| 2021-09-20 | N300062698 300062701 | ND |
| 2021-09-20 | N300062683 300062686 | ND |
| 2021-09-20 | N300062689 300062692 | ND |
| 2021-09-20 | N300062662 300062665 | ND |
| 2021-09-20 | N300062674 300062677 | ND |
| 2021-09-20 | N300062652 300062655 | ND |
| 2021-09-20 | N300062668 300062671 | ND |
| 2021-09-21 | N300062817 300062820 | ND |
| 2021-09-21 | N300062862 300062865 | ND |
| 2021-09-21 | N300062874 300062877 | ND |
| 2021-09-21 | N300062797 300062800 | ND |
| 2021-09-21 | N300062791 300062794 | ND |
| 2021-09-21 | N300062785 300062788 | ND |
| 2021-09-21 | N300062779 300062782 | ND |
| 2021-09-21 | N300062758 300062761 | ND |
| 2021-09-21 | N300062892 300062895 | ND |
| 2021-09-21 | N300062905 300062908 | ND |
| 2021-09-21 | N300062803 300062806 | ND |
| 2021-09-21 | N300064199 300064202 | ND |
| 2021-09-21 | N300064205 300064208 | ND |
| 2021-09-21 | N300062764 300062767 | ND |
| 2021-09-21 | N300062770 300062774 | ND |
| 2021-09-21 | N300062898 300062902 | ND |
| 2021-09-21 | N300062912 300062916 | ND |
| 2021-09-21 | N300062810 300062814 | ND |
| 2021-09-22 | N300064359 300064362 | ND |
| 2021-09-22 | N300064371 300064374 | ND |
| 2021-09-22 | N300064777 300064780 | ND |
| 2021-09-22 | N300064783 300064786 | ND |
| 2021-09-22 | N300064789 300064792 | ND |
| 2021-09-22 | N300064341 300064344 | ND |
| 2021-09-23 | N300066513 300066516 | ND |
| 2021-09-23 | N300066525 300066528 | ND |
| 2021-09-28 | N300068432 300068435 | ND |
| 2021-09-29 | N300070521 300070524 | ND |
| 2021-10-18 | N300082865 300082868 | ND |
| 2021-10-18 | N300082872 300082876 | ND |
| 2021-12-06 | N300112626 300112629 | ND |
| 2021-12-06 | N300112635 300112638 | ND |
| 2021-12-06 | N300112644 300112647 | ND |
| 2021-12-06 | N300112669 300112672 | ND |
| 2021-12-06 | N300112518 300112521 | ND |
| 2021-12-06 | N300112543 300112546 | ND |
| 2021-12-06 | N300112503 300112506 | ND |
| 2021-12-06 | N300112488 300112491 | ND |
| 2021-12-06 | N300112494 300112497 | ND |
| 2021-12-06 | N300112475 300112478 | ND |
| 2021-12-06 | N300112549 300112552 | ND |
| 2021-12-07 | N300113019 300113022 | ND |
| 2021-12-07 | N300113213 300113216 | ND |
| 2021-12-07 | N300112776 300112779 | ND |
| 2021-12-07 | N300112788 300112791 | ND |
| 2021-12-07 | N300112999 300113002 | ND |
| 2021-12-07 | N300112992 300112996 | ND |
| 2021-12-07 | N300113807 300113810 | ND |
| 2021-12-07 | N300112806 300112809 | ND |
| 2021-12-07 | N300112819 300112822 | ND |
| 2021-12-07 | N300113005 300113008 | ND |
| 2021-12-07 | N300113025 300113030 | ND |
| 2021-12-07 | N300113056 300113059 | ND |
| 2021-12-07 | N300113062 300113065 | ND |
| 2021-12-07 | N300112812 300112816 | ND |
| 2021-12-07 | N300113034 300113038 | ND |
| 2021-12-07 | N300112826 300112830 | ND |
| 2021-12-07 | N300113012 300113016 | ND |
| 2021-12-07 | N300113068 300113071 | ND |
| 2021-12-08 | N300113983 300113986 | ND |
| 2021-12-08 | N300113989 300113992 | ND |
| 2021-12-08 | N300113995 300113998 | ND |
| 2021-12-08 | N300114092 300114095 | ND |
| 2021-12-08 | N300114127 300114130 | ND |
| 2021-12-08 | N300114139 300114142 | ND |
| 2021-12-08 | N300114133 300114136 | ND |
| 2021-12-09 | N300115069 300115072 | ND |
| 2021-12-09 | N300116072 300116075 | ND |
| 2021-12-09 | N300116078 300116081 | ND |
| 2021-12-09 | N300116084 300116087 | ND |
| 2021-12-14 | N300113228 300113231 | ND |
| 2021-12-14 | N300113222 300113225 | ND |
| 2021-12-14 | N300113234 300113237 | ND |
| 2021-12-14 | N300113253 300113256 | ND |
| 2021-12-14 | N300113240 300113243 | ND |
| 2022-02-15 | N300145541 300145544 | ND |
| 2022-02-15 | N300145532 300145535 | ND |
| 2022-02-15 | N300145523 300145526 | ND |
| 2022-02-15 | N300145514 300145517 | ND |
| 2022-02-15 | N300146276 300146279 | ND |
| 2022-02-15 | N300145647 300145650 | ND |
| 2022-02-15 | N300145667 300145670 | ND |
| 2022-02-15 | N300145550 300145553 | ND |
| 2022-02-15 | N300145575 300145578 | ND |
| 2022-02-15 | N300145699 300145702 | ND |
| 2022-02-15 | N300145718 300145721 | ND |
| 2023-05-09 | N300346683 300346686 | ND |
| 2023-05-09 | N300346677 300346680 | ND |
| 2023-05-09 | N300346671 300346674 | ND |
| 2023-05-09 | N300346754 300346757 | ND |
| 2023-05-09 | N300346689 300346692 | ND |
| 2023-05-09 | N300346708 300346711 | ND |
| 2023-05-09 | N300346714 300346718 | ND |
| 2023-05-09 | N300346695 300346699 | ND |
| 2023-05-10 | N300347601 300347604 | ND |
| 2023-05-10 | N300347613 300347616 | ND |
| 2023-05-23 | N300354085 300354088 | ND |
| 2023-05-23 | N300354099 300354102 | ND |
| 2023-05-23 | N300354092 300354096 | ND |
| 2023-05-23 | N300354106 300354110 | ND |
| 2023-08-15 | N300397643 300397646 | ND |