Nitrate
Mission Springs WD
Nitrate, a fertilizer chemical, frequently contaminates drinking water due to agricultural and urban runoff, and discharges from municipal wastewater treatment plants and septic tanks. Excessive nitrate in water can cause oxygen deprivation in infants and increase the risk of cancer. Click here to read more about nitrate.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2013 | N/A | 0 | 0 | N/A |
2014 | 0.669 ppm | 20 | 16 | ND - 1.29 ppm |
2015 | N/A | 0 | 0 | N/A |
2016 | 0.569 ppm | 16 | 12 | ND - 0.910 ppm |
2017 | 0.716 ppm | 10 | 8 | ND - 1.70 ppm |
2018 | 0.657 ppm | 10 | 7 | ND - 1.40 ppm |
2019 | 0.671 ppm | 9 | 7 | ND - 1.50 ppm |
ppm = parts per million
State and national drinking water standards and health guidelines
EWG Health Guideline 0.14 ppm
The EWG Health Guideline of 0.14 ppm for nitrate was defined by EWG . This health guideline protects against cancer and harm to fetal growth and development.
EPA Maximum Contaminant
Level (MCL) 10 ppm
The legal limit for nitrate, established in 1962, was developed to protect infants from acute methemoglobinemia, a life-threatening disorder of oxygen transport in the body. This limit does not fully protect against the risk of cancer and harm to the developing fetus.
ppm = parts per million
All test results
Date | Lab ID | Result |
---|---|---|
2014-01-13 | 3761-010-0807 | 0.858 ppm |
2014-01-13 | 3761-030-0835 | 0.542 ppm |
2014-01-13 | 3761-026-0757 | 0.587 ppm |
2014-01-13 | 3761-011-0847 | ND |
2014-01-13 | 3761-025-0900 | ND |
2014-01-13 | 3761-008-0815 | 0.836 ppm |
2014-01-13 | 3761-013-1021 | 1.15 ppm |
2014-01-13 | 3761-017-1040 | 0.587 ppm |
2014-01-13 | 3761-014-0746 | 0.858 ppm |
2014-01-13 | 3761-015-0827 | 1.24 ppm |
2014-07-07 | 3761-026-0825 | 0.633 ppm |
2014-07-07 | 3761-014-0911 | 0.836 ppm |
2014-07-08 | 3761-015-0849 | 1.29 ppm |
2014-07-08 | 3761-008-0817 | 0.791 ppm |
2014-07-08 | 3761-010-0747 | 0.881 ppm |
2014-07-08 | 3761-030-0922 | 0.474 ppm |
2014-07-09 | 3761-013-1035 | 1.24 ppm |
2014-07-09 | 3761-017-1051 | 0.565 ppm |
2014-07-09 | 3761-011-1203 | ND |
2014-07-09 | 3761-025-1118 | ND |
2016-02-24 | 3761-025-0940 | ND |
2016-02-24 | 3761-017-0925 | 0.720 ppm |
2016-02-24 | 3761-030-0910 | 0.660 ppm |
2016-02-24 | 3761-026-0850 | 0.670 ppm |
2016-02-24 | 3761-014-0900 | 0.860 ppm |
2016-02-24 | 3761-011-0915 | ND |
2016-02-24 | 3761-010-0835 | 0.860 ppm |
2016-02-24 | 3761-008-0830 | 0.800 ppm |
2016-09-12 | 3761-030-1144 | 0.750 ppm |
2016-09-12 | 3761-026-1109 | 0.640 ppm |
2016-09-12 | 3761-008-1118 | 0.910 ppm |
2016-09-12 | 3761-025-1000 | ND |
2016-09-12 | 3761-010-1126 | 0.820 ppm |
2016-09-12 | 3761-011-0920 | ND |
2016-09-12 | 3761-017-1010 | 0.730 ppm |
2016-09-12 | 3761-014-1219 | 0.680 ppm |
2017-06-01 | 3761-013-1108 | 1.70 ppm |
2017-06-01 | 3761-015-1246 | 0.730 ppm |
2017-06-05 | 3761-026-1200 | 0.640 ppm |
2017-06-05 | 3761-014-1130 | 0.630 ppm |
2017-06-06 | 3761-025-1300 | ND |
2017-06-06 | 3761-010-0945 | 0.850 ppm |
2017-06-06 | 3761-011-1200 | ND |
2017-06-06 | 3761-017-1100 | 0.770 ppm |
2017-06-07 | 3761-008-1124 | 1.000 ppm |
2017-06-07 | 3761-030-1200 | 0.840 ppm |
2018-08-13 | 3761-011-0748 | ND |
2018-08-13 | 3761-025-0744 | ND |
2018-08-13 | 3761-008-0742 | 1.20 ppm |
2018-08-13 | 3761-010-0636 | 0.760 ppm |
2018-08-13 | 3761-017-0825 | 0.630 ppm |
2018-08-13 | 3761-026-0723 | 0.410 ppm |
2018-08-13 | 3761-013-0805 | 1.30 ppm |
2018-08-13 | 3761-030-0703 | 0.870 ppm |
2018-08-13 | 3761-014-1025 | ND |
2018-08-13 | 3761-015-0654 | 1.40 ppm |
2019-11-20 | 3761-026-0720 | 0.480 ppm |
2019-11-20 | 3761-011-0955 | ND |
2019-11-20 | 3761-015-0725 | 1.40 ppm |
2019-11-20 | 3761-013-1010 | 1.50 ppm |
2019-11-20 | 3761-010-0800 | 0.580 ppm |
2019-11-20 | 3761-017-0840 | 0.580 ppm |
2019-11-20 | 3761-025-0915 | ND |
2019-11-20 | 3761-008-0710 | 0.580 ppm |
2019-11-20 | 3761-030-0735 | 0.920 ppm |