Nitrite
Kern Valley State Prison
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.
120
Samples
29
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 | 0.487 ppm | 18 | 8 | ND - 2.00 ppm |
| 2019 | 0.702 ppm | 24 | 10 | ND - 4.00 ppm |
| 2020 | 0.394 ppm | 18 | 7 | ND - 1.30 ppm |
| 2021 | 0.573 ppm | 19 | 8 | ND - 2.90 ppm |
| 2022 | 0.460 ppm | 21 | 9 | ND - 2.30 ppm |
| 2023 | 0.461 ppm | 20 | 8 | ND - 1.60 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 |
|---|---|---|
| 2018-01-02 | CA1510802_003_003-201801020730 | ND |
| 2018-01-09 | CA1510802_002_002-201801090830 | 2.00 ppm |
| 2018-01-09 | CA1510802_001_001-201801090900 | 0.910 ppm |
| 2018-03-06 | CA1510802_003_003-201803060730 | ND |
| 2018-04-03 | CA1510802_002_002-201804030930 | 1.60 ppm |
| 2018-04-03 | CA1510802_003_003-201804030730 | ND |
| 2018-04-03 | CA1510802_001_001-201804030900 | 1.20 ppm |
| 2018-06-05 | CA1510802_003_003-201806050730 | ND |
| 2018-07-03 | CA1510802_002_002-201807030815 | 0.830 ppm |
| 2018-07-03 | CA1510802_001_001-201807030800 | ND |
| 2018-07-03 | CA1510802_003_003-201807030650 | ND |
| 2018-08-07 | CA1510802_003_003-201808070700 | ND |
| 2018-09-04 | CA1510802_003_003-201809040700 | 0.110 ppm |
| 2018-10-02 | CA1510802_001_001-201810021000 | 0.910 ppm |
| 2018-10-02 | CA1510802_002_002-201810020800 | 1.20 ppm |
| 2018-10-02 | CA1510802_003_003-201810020700 | ND |
| 2018-11-06 | CA1510802_003_003-201811060730 | ND |
| 2018-12-04 | CA1510802_003_003-201812040730 | ND |
| 2019-01-02 | CA1510802_001_001-201901021310 | 1.10 ppm |
| 2019-01-02 | CA1510802_003_003-201901020730 | ND |
| 2019-01-02 | CA1510802_002_002-201901021120 | 1.30 ppm |
| 2019-02-05 | CA1510802_003_003-201902050730 | ND |
| 2019-02-12 | CA1510802_001_001-201902121030 | 0.950 ppm |
| 2019-02-12 | CA1510802_002_002-201902121030 | 1.40 ppm |
| 2019-03-05 | CA1510802_003_003-201903050730 | ND |
| 2019-04-02 | CA1510802_001_001-201904021100 | 0.890 ppm |
| 2019-04-02 | CA1510802_003_003-201904020730 | ND |
| 2019-04-02 | CA1510802_002_002-201904021030 | 1.70 ppm |
| 2019-05-07 | CA1510802_003_003-201905070730 | ND |
| 2019-06-04 | CA1510802_003_003-201906040730 | ND |
| 2019-07-02 | CA1510802_003_003-201907020700 | ND |
| 2019-07-02 | CA1510802_001_001-201907020800 | 2.50 ppm |
| 2019-07-02 | CA1510802_002_002-201907020845 | 4.00 ppm |
| 2019-07-17 | CA1510802_003_003-201907170925 | ND |
| 2019-08-07 | CA1510802_003_003-201908070945 | ND |
| 2019-09-04 | CA1510802_003_003-201909040700 | ND |
| 2019-10-02 | CA1510802_001_001-201910021200 | 1.30 ppm |
| 2019-10-02 | CA1510802_003_003-201910020700 | ND |
| 2019-10-02 | CA1510802_002_002-201910021130 | 1.70 ppm |
| 2019-11-06 | CA1510802_003_003-201911060730 | ND |
| 2019-12-04 | CA1510802_003_003-201912040700 | ND |
| 2019-12-30 | CA1510802_003_003-201912300700 | ND |
| 2020-01-15 | CA1510802_001_001-202001150730 | 0.600 ppm |
| 2020-01-15 | CA1510802_002_002-202001150800 | ND |
| 2020-02-05 | CA1510802_003_003-202002050730 | ND |
| 2020-03-04 | CA1510802_003_003-202003040800 | ND |
| 2020-04-08 | CA1510802_001_001-202004081230 | 1.20 ppm |
| 2020-04-08 | CA1510802_003_003-202004080700 | ND |
| 2020-04-08 | CA1510802_002_002-202004081200 | 1.10 ppm |
| 2020-05-06 | CA1510802_003_003-202005060730 | ND |
| 2020-06-03 | CA1510802_003_003-202006030800 | ND |
| 2020-07-01 | CA1510802_002_002-202007011200 | 1.30 ppm |
| 2020-07-01 | CA1510802_001_001-202007011200 | 0.500 ppm |
| 2020-07-01 | CA1510802_003_003-202007010700 | ND |
| 2020-08-05 | CA1510802_003_003-202008050900 | ND |
| 2020-09-02 | CA1510802_003_003-202009020800 | ND |
| 2020-10-07 | CA1510802_001_001-202010071230 | 1.10 ppm |
| 2020-10-07 | CA1510802_003_003-202010070730 | ND |
| 2020-10-07 | CA1510802_002_002-202010071230 | 1.30 ppm |
| 2020-12-02 | CA1510802_003_003-202012020730 | ND |
| 2021-01-06 | CA1510802_003_003-202101060900 | ND |
| 2021-01-06 | CA1510802_001_001-202101060930 | 2.60 ppm |
| 2021-01-06 | CA1510802_002_002-202101061030 | 2.90 ppm |
| 2021-03-02 | CA1510802_003_003-202103020900 | ND |
| 2021-04-06 | CA1510802_002_002-202104061200 | 1.30 ppm |
| 2021-04-06 | CA1510802_001_001-202104061200 | 0.400 ppm |
| 2021-04-06 | CA1510802_003_003-202104061000 | ND |
| 2021-05-04 | CA1510802_003_003-202105040730 | ND |
| 2021-06-01 | CA1510802_003_003-202106011000 | ND |
| 2021-07-06 | CA1510802_003_003-202107060800 | ND |
| 2021-07-06 | CA1510802_001_001-202107061200 | 0.600 ppm |
| 2021-07-06 | CA1510802_002_002-202107061200 | 1.30 ppm |
| 2021-08-03 | CA1510802_003_003-202108030700 | ND |
| 2021-09-07 | CA1510802_003_003-202109070730 | ND |
| 2021-10-05 | CA1510802_003_003-202110050700 | ND |
| 2021-10-05 | CA1510802_001_001-202110051200 | 0.680 ppm |
| 2021-10-05 | CA1510802_002_002-202110051200 | 1.10 ppm |
| 2021-11-02 | CA1510802_003_003-202111020800 | ND |
| 2021-12-07 | CA1510802_003_003-202112071100 | ND |
| 2022-01-04 | CA1510802_001_001-202201041200 | 0.900 ppm |
| 2022-01-04 | CA1510802_002_002-202201041200 | 1.30 ppm |
| 2022-02-02 | CA1510802_003_003-202202021005 | ND |
| 2022-03-01 | CA1510802_003_003-202203010900 | ND |
| 2022-04-05 | CA1510802_002_002-202204051145 | 1.10 ppm |
| 2022-04-05 | CA1510802_003_003-202204050800 | ND |
| 2022-04-05 | CA1510802_001_001-202204051145 | 0.960 ppm |
| 2022-05-03 | CA1510802_003_003-202205031000 | ND |
| 2022-06-07 | CA1510802_003_003-202206070900 | ND |
| 2022-07-05 | CA1510802_002_002-202207051300 | 2.30 ppm |
| 2022-07-05 | CA1510802_001_001-202207051300 | 0.860 ppm |
| 2022-07-05 | CA1510802_003_003-202207050730 | ND |
| 2022-08-02 | CA1510802_003_003-202208020800 | ND |
| 2022-09-06 | CA1510802_003_003-202209060900 | ND |
| 2022-10-04 | CA1510802_002_002-202210041200 | 1.000 ppm |
| 2022-10-04 | CA1510802_001_001-202210041200 | 0.720 ppm |
| 2022-10-04 | CA1510802_003_003-202210040800 | ND |
| 2022-11-01 | CA1510802_002_002-202211010800 | 0.530 ppm |
| 2022-11-01 | CA1510802_001_001-202211010900 | ND |
| 2022-11-01 | CA1510802_003_003-202211010800 | ND |
| 2022-12-06 | CA1510802_003_003-202212060820 | ND |
| 2023-01-03 | CA1510802_002_002-202301031200 | 1.30 ppm |
| 2023-01-03 | CA1510802_001_001-202301031215 | 1.10 ppm |
| 2023-01-03 | CA1510802_003_003-202301030940 | ND |
| 2023-02-07 | CA1510802_003_003-202302071100 | ND |
| 2023-03-07 | CA1510802_003_003-202303070920 | ND |
| 2023-04-04 | CA1510802_001_001-202304041055 | 0.750 ppm |
| 2023-04-04 | CA1510802_003_003-202304040855 | ND |
| 2023-04-04 | CA1510802_002_002-202304041055 | 1.50 ppm |
| 2023-05-02 | CA1510802_003_003-202305020925 | ND |
| 2023-06-06 | CA1510802_003_003-202306060920 | ND |
| 2023-07-05 | CA1510802_003_003-202307051220 | ND |
| 2023-07-05 | CA1510802_001_001-202307051205 | 0.960 ppm |
| 2023-07-05 | CA1510802_002_002-202307051215 | 1.60 ppm |
| 2023-08-01 | CA1510802_003_003-202308010800 | ND |
| 2023-09-05 | CA1510802_003_003-202309050930 | ND |
| 2023-10-03 | CA1510802_001_001-202310031130 | 1.000 ppm |
| 2023-10-03 | CA1510802_002_002-202310031140 | 1.000 ppm |
| 2023-10-03 | CA1510802_003_003-202310030710 | ND |
| 2023-11-07 | CA1510802_003_003-202311071015 | ND |
| 2023-12-05 | CA1510802_003_003-202312051015 | ND |