Nitrate and nitrite
Reynolds Plantation
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.
142
Samples
0
Samples exceeding legal limit (MCL)
21
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2014 | 0.150 ppm | 21 | 4 | ND - 1.40 ppm |
| 2015 | 0.0990 ppm | 21 | 2 | ND - 1.30 ppm |
| 2016 | 0.0955 ppm | 22 | 2 | ND - 1.30 ppm |
| 2017 | 0.144 ppm | 26 | 4 | ND - 1.30 ppm |
| 2018 | 0.167 ppm | 26 | 5 | ND - 1.50 ppm |
| 2019 | 0.103 ppm | 26 | 4 | ND - 0.980 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 |
|---|---|---|
| 2014-06-10 | AI42911 | ND |
| 2014-06-10 | AI42913 | ND |
| 2014-06-10 | AI42915 | ND |
| 2014-06-10 | AI42916 | ND |
| 2014-06-10 | AI42917 | ND |
| 2014-06-10 | AI42919 | ND |
| 2014-06-10 | AI42921 | ND |
| 2014-06-10 | AI42924 | 0.360 ppm |
| 2014-06-10 | AI42926 | ND |
| 2014-06-10 | AI42927 | 0.460 ppm |
| 2014-06-10 | AI42928 | 0.940 ppm |
| 2014-06-10 | AI42931 | ND |
| 2014-06-10 | AI42932 | 1.40 ppm |
| 2014-06-10 | AI42933 | ND |
| 2014-06-10 | AI42934 | ND |
| 2014-06-10 | AI42935 | ND |
| 2014-11-04 | AI59072 | ND |
| 2014-11-04 | AI59073 | ND |
| 2014-11-04 | AI59074 | ND |
| 2014-12-16 | AI61666 | ND |
| 2014-12-16 | AI61667 | ND |
| 2015-05-11 | AI76850 | ND |
| 2015-05-11 | AI76851 | ND |
| 2015-05-11 | AI76852 | ND |
| 2015-05-11 | AI76853 | ND |
| 2015-05-11 | AI76854 | ND |
| 2015-05-11 | AI76855 | ND |
| 2015-05-11 | AI76856 | 1.30 ppm |
| 2015-05-11 | AI76857 | ND |
| 2015-05-11 | AI76858 | ND |
| 2015-05-11 | AI76859 | 0.780 ppm |
| 2015-05-12 | AI77056 | ND |
| 2015-05-12 | AI77057 | ND |
| 2015-05-12 | AI77058 | ND |
| 2015-05-12 | AI77059 | ND |
| 2015-05-12 | AI77060 | ND |
| 2015-05-12 | AI77061 | ND |
| 2015-05-12 | AI77062 | ND |
| 2015-05-12 | AI77064 | ND |
| 2015-05-13 | AI77152 | ND |
| 2015-05-20 | AI77795 | ND |
| 2015-09-15 | AI90221 | ND |
| 2016-06-23 | AJ15235 | ND |
| 2016-06-23 | AJ15236 | ND |
| 2016-06-23 | AJ15237 | ND |
| 2016-06-23 | AJ15238 | ND |
| 2016-06-23 | AJ15239 | ND |
| 2016-06-23 | AJ15240 | ND |
| 2016-06-23 | AJ15241 | ND |
| 2016-06-23 | AJ15242 | ND |
| 2016-06-23 | AJ15243 | ND |
| 2016-06-23 | AJ15244 | ND |
| 2016-06-23 | AJ15245 | 1.30 ppm |
| 2016-06-23 | AJ15246 | ND |
| 2016-06-23 | AJ15247 | ND |
| 2016-06-23 | AJ15248 | 0.800 ppm |
| 2016-06-23 | AJ15249 | ND |
| 2016-06-23 | AJ15250 | ND |
| 2016-06-23 | AJ15251 | ND |
| 2016-06-23 | AJ15252 | ND |
| 2016-06-23 | AJ15253 | ND |
| 2016-06-23 | AJ15254 | ND |
| 2016-07-13 | AJ17820 | ND |
| 2016-12-12 | AJ36658 | ND |
| 2017-05-24 | AJ56113 | ND |
| 2017-05-24 | AJ56114 | ND |
| 2017-05-24 | AJ56116 | ND |
| 2017-05-24 | AJ56117 | ND |
| 2017-05-24 | AJ56118 | ND |
| 2017-05-24 | AJ56120 | ND |
| 2017-05-24 | AJ56121 | ND |
| 2017-05-24 | AJ56122 | ND |
| 2017-05-24 | AJ56123 | ND |
| 2017-05-24 | AJ56124 | ND |
| 2017-05-24 | AJ56125 | ND |
| 2017-05-24 | AJ56126 | ND |
| 2017-05-24 | AJ56127 | ND |
| 2017-06-22 | AJ58368 | ND |
| 2017-06-22 | AJ58369 | 1.30 ppm |
| 2017-06-22 | AJ58370 | ND |
| 2017-06-22 | AJ58371 | 0.670 ppm |
| 2017-06-22 | AJ58372 | ND |
| 2017-06-22 | AJ58373 | 1.30 ppm |
| 2017-06-22 | AJ58374 | ND |
| 2017-06-22 | AJ58375 | ND |
| 2017-06-22 | AJ58376 | ND |
| 2017-06-28 | AJ58910 | ND |
| 2017-06-28 | AJ58911 | ND |
| 2017-12-07 | AJ75145 | ND |
| 2017-12-07 | AJ75151 | 0.470 ppm |
| 2018-05-30 | AJ90334 | ND |
| 2018-05-30 | AJ90335 | ND |
| 2018-05-30 | AJ90336 | ND |
| 2018-05-30 | AJ90337 | ND |
| 2018-05-30 | AJ90338 | ND |
| 2018-05-30 | AJ90339 | ND |
| 2018-05-30 | AJ90340 | 1.50 ppm |
| 2018-05-30 | AJ90341 | 0.540 ppm |
| 2018-05-30 | AJ90342 | ND |
| 2018-05-30 | AJ90343 | ND |
| 2018-05-30 | AJ90344 | 0.750 ppm |
| 2018-05-30 | AJ90345 | ND |
| 2018-05-30 | AJ90346 | ND |
| 2018-05-30 | AJ90347 | ND |
| 2018-05-30 | AJ90348 | ND |
| 2018-05-30 | AJ90349 | 0.260 ppm |
| 2018-05-30 | AJ90350 | ND |
| 2018-05-30 | AJ90351 | ND |
| 2018-05-30 | AJ90352 | ND |
| 2018-05-30 | AJ90353 | ND |
| 2018-05-30 | AJ90354 | ND |
| 2018-05-30 | AJ90355 | ND |
| 2018-05-30 | AJ90356 | ND |
| 2018-05-30 | AJ90357 | 1.30 ppm |
| 2018-05-30 | AJ90358 | ND |
| 2018-05-30 | AJ90359 | ND |
| 2019-12-17 | AK38675 | ND |
| 2019-12-17 | AK38677 | 0.530 ppm |
| 2019-12-17 | AK38678 | 0.980 ppm |
| 2019-12-17 | AK38680 | ND |
| 2019-12-17 | AK38682 | ND |
| 2019-12-17 | AK38683 | ND |
| 2019-12-17 | AK38684 | ND |
| 2019-12-17 | AK38685 | ND |
| 2019-12-17 | AK38686 | ND |
| 2019-12-17 | AK38687 | ND |
| 2019-12-17 | AK38688 | ND |
| 2019-12-17 | AK38689 | ND |
| 2019-12-17 | AK38691 | ND |
| 2019-12-17 | AK38692 | ND |
| 2019-12-17 | AK38693 | ND |
| 2019-12-17 | AK38694 | 0.940 ppm |
| 2019-12-17 | AK38695 | ND |
| 2019-12-17 | AK38696 | ND |
| 2019-12-17 | AK38697 | ND |
| 2019-12-17 | AK38699 | 0.240 ppm |
| 2019-12-17 | AK38700 | ND |
| 2019-12-17 | AK38702 | ND |
| 2019-12-17 | AK38703 | ND |
| 2019-12-17 | AK38704 | ND |
| 2019-12-17 | AK38705 | ND |
| 2019-12-17 | AK38706 | ND |