Nitrate and nitrite
Jasper County Public Water Supply District 2
Nitrate and nitrite enter water from fertilizer runoff, septic tanks and urban runoff. These contaminants can cause oxygen deprivation for infants and increase the risk of cancer. Nitrite is significantly more toxic than nitrate. Click here to read more about nitrate.
Testing results - average by year
Year | Average result | Samples taken | Detections | Range of results |
---|---|---|---|---|
2014 | 0.105 ppm | 2 | 1 | ND - 0.210 ppm |
2015 | 0.0130 ppm | 2 | 1 | ND - 0.0260 ppm |
2016 | 0.0370 ppm | 2 | 2 | 0.0110 ppm - 0.0630 ppm |
2017 | 0.0295 ppm | 2 | 1 | ND - 0.0590 ppm |
2018 | 0.0330 ppm | 2 | 1 | ND - 0.0660 ppm |
2019 | 0.0215 ppm | 2 | 1 | ND - 0.0430 ppm |
ppm = parts per million
State and national drinking water standards and health guidelines
EWG Health Guideline 0.14 ppm
The health guideline of 0.14 parts per million, or ppm, for nitrate and nitrite is based on the equivalent health guideline for nitrate, as defined in a peer-reviewed scientific study by EWG. This guideline represents a one-in-one-million annual cancer risk level.
EPA Maximum Contaminant
Level (MCL) 10 ppm
ppm = parts per million
All test results
Date | Lab ID | Result |
---|---|---|
2014-09-03 | AC32300 | 0.210 ppm |
2014-09-03 | AC32301 | ND |
2015-06-03 | AC46934 | 0.0260 ppm |
2015-06-03 | AC46935 | ND |
2016-06-09 | AC72258 | 0.0630 ppm |
2016-06-09 | AC72257 | 0.0110 ppm |
2017-05-08 | AC96134 | ND |
2017-05-08 | AC96133 | 0.0590 ppm |
2018-05-21 | AD20198 | ND |
2018-05-21 | AD20199 | 0.0660 ppm |
2019-05-22 | AD47569 | ND |
2019-05-22 | AD47570 | 0.0430 ppm |