Nitrate and nitrite
Taney County Public Water Supply District 3
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.
60
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 |
|---|---|---|---|---|
| 2014 | 0.0279 ppm | 10 | 6 | ND - 0.0920 ppm |
| 2015 | 0.0201 ppm | 10 | 6 | ND - 0.0620 ppm |
| 2016 | 0.0333 ppm | 10 | 8 | ND - 0.0980 ppm |
| 2017 | 0.0294 ppm | 10 | 9 | ND - 0.0910 ppm |
| 2018 | 0.0298 ppm | 10 | 7 | ND - 0.110 ppm |
| 2019 | 0.0315 ppm | 10 | 8 | ND - 0.1000 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 |
|---|---|---|
| 2014-09-26 | AC35269 | ND |
| 2014-09-26 | AC35270 | ND |
| 2014-09-26 | AC35271 | 0.0110 ppm |
| 2014-09-26 | AC35272 | ND |
| 2014-09-26 | AC35273 | 0.0620 ppm |
| 2014-09-26 | AC35274 | 0.0680 ppm |
| 2014-09-26 | AC35275 | 0.0920 ppm |
| 2014-09-26 | AC35268 | ND |
| 2014-09-29 | AC35276 | 0.0220 ppm |
| 2014-09-29 | AC35277 | 0.0240 ppm |
| 2015-06-03 | AC46974 | 0.0220 ppm |
| 2015-06-03 | AC46971 | ND |
| 2015-06-03 | AC46972 | 0.0620 ppm |
| 2015-06-03 | AC46975 | ND |
| 2015-06-03 | AC46976 | 0.0120 ppm |
| 2015-06-03 | AC46978 | 0.0620 ppm |
| 2015-06-03 | AC46970 | 0.0220 ppm |
| 2015-06-03 | AC46973 | ND |
| 2015-06-03 | AC46969 | ND |
| 2015-06-03 | AC46977 | 0.0210 ppm |
| 2016-06-02 | AC72299 | ND |
| 2016-06-02 | AC72292 | 0.0120 ppm |
| 2016-06-02 | AC72293 | 0.0980 ppm |
| 2016-06-02 | AC72294 | 0.0700 ppm |
| 2016-06-02 | AC72298 | 0.0280 ppm |
| 2016-06-02 | AC72300 | ND |
| 2016-06-02 | AC72297 | 0.0360 ppm |
| 2016-06-02 | AC72295 | 0.0240 ppm |
| 2016-06-02 | AC72296 | 0.0200 ppm |
| 2016-06-02 | AC72291 | 0.0450 ppm |
| 2017-05-22 | AC96174 | 0.0910 ppm |
| 2017-05-22 | AC96176 | ND |
| 2017-05-22 | AC96168 | 0.0340 ppm |
| 2017-05-22 | AC96170 | 0.0120 ppm |
| 2017-05-22 | AC96171 | 0.01000 ppm |
| 2017-05-22 | AC96167 | 0.0110 ppm |
| 2017-05-22 | AC96169 | 0.0440 ppm |
| 2017-05-22 | AC96172 | 0.0500 ppm |
| 2017-05-22 | AC96173 | 0.0210 ppm |
| 2017-05-22 | AC96175 | 0.0210 ppm |
| 2018-05-29 | AD20239 | 0.110 ppm |
| 2018-05-29 | AD20241 | 0.0110 ppm |
| 2018-05-29 | AD20240 | 0.0360 ppm |
| 2018-05-29 | AD20238 | 0.0690 ppm |
| 2018-05-29 | AD20237 | 0.0240 ppm |
| 2018-05-29 | AD20236 | 0.0290 ppm |
| 2018-05-29 | AD20235 | ND |
| 2018-05-29 | AD20234 | ND |
| 2018-05-29 | AD20233 | ND |
| 2018-05-29 | AD20232 | 0.0190 ppm |
| 2019-05-23 | AD47604 | 0.0420 ppm |
| 2019-05-23 | AD47605 | 0.0120 ppm |
| 2019-05-23 | AD47606 | 0.1000 ppm |
| 2019-05-23 | AD47607 | 0.0680 ppm |
| 2019-05-23 | AD47608 | 0.0240 ppm |
| 2019-05-23 | AD47609 | 0.0210 ppm |
| 2019-05-23 | AD47610 | ND |
| 2019-05-23 | AD47611 | 0.0380 ppm |
| 2019-05-23 | AD47612 | 0.01000 ppm |
| 2019-05-23 | AD47613 | ND |