Nitrate
Woodbine Water Department
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 |
---|---|---|---|---|
2014 | 5.22 ppm | 48 | 48 | 0.700 ppm - 7.30 ppm |
2015 | 4.54 ppm | 36 | 36 | 1.20 ppm - 7.20 ppm |
2016 | 5.06 ppm | 36 | 36 | 1.50 ppm - 7.90 ppm |
2017 | 4.34 ppm | 56 | 54 | ND - 8.70 ppm |
2018 | 5.97 ppm | 50 | 47 | ND - 9.80 ppm |
2019 | 6.01 ppm | 56 | 56 | 1.30 ppm - 10.00 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 |
---|---|---|
2014-01-14 | 2027859 | 6.90 ppm |
2014-01-14 | 2027860 | 3.30 ppm |
2014-01-14 | 2027861 | 4.80 ppm |
2014-01-14 | 2027862 | 7.10 ppm |
2014-02-11 | 2032755 | 6.30 ppm |
2014-02-11 | 2032756 | 1.30 ppm |
2014-02-11 | 2032757 | 7.10 ppm |
2014-02-11 | 2032758 | 3.90 ppm |
2014-03-11 | 2038690 | 6.90 ppm |
2014-03-11 | 2038691 | 4.80 ppm |
2014-03-11 | 2038692 | 6.20 ppm |
2014-03-11 | 2038693 | 3.20 ppm |
2014-04-08 | 2043606 | 7.00 ppm |
2014-04-08 | 2043607 | 7.10 ppm |
2014-04-08 | 2043608 | 0.700 ppm |
2014-04-08 | 2043609 | 7.30 ppm |
2014-05-13 | 2050192 | 5.30 ppm |
2014-05-13 | 2050193 | 3.60 ppm |
2014-05-13 | 2050194 | 6.80 ppm |
2014-05-13 | 2050195 | 6.90 ppm |
2014-06-18 | 2056385 | 7.10 ppm |
2014-06-18 | 2056386 | 0.700 ppm |
2014-06-18 | 2056387 | 6.50 ppm |
2014-06-18 | 2056388 | 6.60 ppm |
2014-07-09 | 2061586 | 3.80 ppm |
2014-07-09 | 2061587 | 6.90 ppm |
2014-07-09 | 2061588 | 4.00 ppm |
2014-07-09 | 2061589 | 7.20 ppm |
2014-08-12 | 2070264 | 6.40 ppm |
2014-08-12 | 2070265 | 6.40 ppm |
2014-08-12 | 2070266 | 3.70 ppm |
2014-08-12 | 2070267 | 6.20 ppm |
2014-09-09 | 2076354 | 6.00 ppm |
2014-09-09 | 2076355 | 6.00 ppm |
2014-09-09 | 2076356 | 1.40 ppm |
2014-09-09 | 2076357 | 6.10 ppm |
2014-10-13 | 2084643 | 5.00 ppm |
2014-10-13 | 2084644 | 5.70 ppm |
2014-10-13 | 2084645 | 3.40 ppm |
2014-10-13 | 2084646 | 3.30 ppm |
2014-11-18 | 2092134 | 5.40 ppm |
2014-11-18 | 2092135 | 6.10 ppm |
2014-11-18 | 2092136 | 4.00 ppm |
2014-11-18 | 2092137 | 6.30 ppm |
2014-12-22 | 2097430 | 7.20 ppm |
2014-12-22 | 2097431 | 5.70 ppm |
2014-12-22 | 2097432 | 5.70 ppm |
2014-12-22 | 2097433 | 1.20 ppm |
2015-01-08 | 518221 | 6.00 ppm |
2015-01-08 | 518222 | 4.60 ppm |
2015-01-08 | 518223 | 3.60 ppm |
2015-02-10 | 520173 | 7.20 ppm |
2015-02-10 | 520172 | 6.10 ppm |
2015-02-10 | 520171 | 1.20 ppm |
2015-03-24 | 522524 | 6.80 ppm |
2015-03-24 | 522525 | 6.20 ppm |
2015-04-22 | 524500 | 3.90 ppm |
2015-04-22 | 524498 | 5.10 ppm |
2015-04-22 | 524499 | 3.50 ppm |
2015-05-20 | 526427 | 5.90 ppm |
2015-05-20 | 526426 | 3.00 ppm |
2015-05-20 | 526425 | 5.80 ppm |
2015-06-15 | 527902 | 1.50 ppm |
2015-06-15 | 527904 | 7.00 ppm |
2015-06-15 | 527901 | 5.80 ppm |
2015-07-14 | 529508 | 4.50 ppm |
2015-07-14 | 529507 | 6.10 ppm |
2015-07-14 | 529505 | 5.00 ppm |
2015-08-18 | 532025 | 5.70 ppm |
2015-08-18 | 532023 | 3.80 ppm |
2015-08-18 | 532024 | 3.40 ppm |
2015-09-22 | 534136 | 6.50 ppm |
2015-09-22 | 534134 | 6.00 ppm |
2015-09-22 | 534135 | 1.90 ppm |
2015-10-07 | 535232 | 1.90 ppm |
2015-10-07 | 535229 | 5.70 ppm |
2015-10-07 | 535231 | 6.90 ppm |
2015-11-17 | 537593 | 2.60 ppm |
2015-11-17 | 537592 | 1.40 ppm |
2015-11-17 | 537591 | 3.00 ppm |
2015-11-17 | 537590 | 6.00 ppm |
2015-12-16 | 539411 | 1.20 ppm |
2015-12-16 | 539413 | 4.30 ppm |
2015-12-16 | 539410 | 4.30 ppm |
2016-01-07 | 540399 | 4.50 ppm |
2016-01-07 | 540400 | 6.30 ppm |
2016-01-07 | 540398 | 5.80 ppm |
2016-02-03 | 542039 | 3.80 ppm |
2016-02-03 | 542038 | 5.60 ppm |
2016-02-03 | 542040 | 3.40 ppm |
2016-03-15 | 544740 | 6.50 ppm |
2016-03-15 | 544741 | 1.50 ppm |
2016-03-15 | 544742 | 4.70 ppm |
2016-04-06 | 546016 | 3.70 ppm |
2016-04-06 | 546015 | 4.30 ppm |
2016-04-06 | 546014 | 6.30 ppm |
2016-05-11 | 548565 | 6.00 ppm |
2016-05-11 | 548566 | 3.20 ppm |
2016-05-11 | 548567 | 6.20 ppm |
2016-06-14 | 550852 | 4.80 ppm |
2016-06-14 | 550850 | 6.80 ppm |
2016-06-14 | 550849 | 3.80 ppm |
2016-07-13 | 552854 | 6.60 ppm |
2016-07-13 | 552856 | 2.00 ppm |
2016-07-13 | 552855 | 5.80 ppm |
2016-08-17 | 555257 | 6.30 ppm |
2016-08-17 | 555256 | 1.80 ppm |
2016-08-17 | 555255 | 5.50 ppm |
2016-09-13 | 556758 | 2.70 ppm |
2016-09-13 | 556757 | 7.50 ppm |
2016-09-13 | 556756 | 5.90 ppm |
2016-10-14 | 559021 | 7.70 ppm |
2016-10-14 | 559022 | 1.90 ppm |
2016-10-14 | 559024 | 7.90 ppm |
2016-11-21 | 561633 | 7.60 ppm |
2016-11-21 | 561634 | 6.60 ppm |
2016-11-21 | 561635 | 2.70 ppm |
2016-12-21 | 563405 | 7.70 ppm |
2016-12-21 | 563406 | 1.90 ppm |
2016-12-21 | 563407 | 7.00 ppm |
2017-01-12 | 564479 | 7.60 ppm |
2017-01-12 | 564481 | 2.70 ppm |
2017-01-12 | 564480 | 6.00 ppm |
2017-02-27 | 567201 | 5.40 ppm |
2017-02-27 | 567202 | 8.60 ppm |
2017-02-27 | 567204 | 1.80 ppm |
2017-02-27 | 567203 | 6.90 ppm |
2017-03-15 | 568297 | 1.50 ppm |
2017-03-15 | 568295 | 7.20 ppm |
2017-03-15 | 568296 | 7.40 ppm |
2017-03-15 | 568294 | 5.10 ppm |
2017-04-26 | 570543 | 5.50 ppm |
2017-04-26 | 570545 | 6.80 ppm |
2017-04-26 | 570546 | 1.80 ppm |
2017-04-26 | 570547 | 8.70 ppm |
2017-04-26 | 570544 | 6.70 ppm |
2017-05-24 | 571687 | 1.40 ppm |
2017-05-24 | 571688 | 6.80 ppm |
2017-05-24 | 571686 | 7.70 ppm |
2017-05-24 | 571684 | 4.30 ppm |
2017-05-24 | 571685 | 7.60 ppm |
2017-06-30 | 573337 | 8.40 ppm |
2017-06-30 | 573338 | 5.90 ppm |
2017-06-30 | 573339 | 1.90 ppm |
2017-06-30 | 573340 | 5.50 ppm |
2017-06-30 | 573341 | 7.00 ppm |
2017-07-17 | 574121 | 1.50 ppm |
2017-07-17 | 574122 | 1.70 ppm |
2017-07-17 | 574118 | 0.700 ppm |
2017-07-17 | 574119 | 1.60 ppm |
2017-07-17 | 574120 | 2.20 ppm |
2017-08-28 | 576127 | 4.60 ppm |
2017-08-28 | 576128 | 6.90 ppm |
2017-08-28 | 576129 | 6.80 ppm |
2017-08-28 | 576126 | 1.40 ppm |
2017-08-28 | 576125 | 6.60 ppm |
2017-09-12 | 576864 | 0.800 ppm |
2017-09-12 | 576862 | 0.500 ppm |
2017-09-12 | 576863 | 0.600 ppm |
2017-09-12 | 576865 | ND |
2017-09-12 | 576866 | ND |
2017-10-10 | 578105 | 3.20 ppm |
2017-10-10 | 578104 | 4.40 ppm |
2017-10-10 | 578103 | 1.60 ppm |
2017-10-10 | 578102 | 4.40 ppm |
2017-10-10 | 578101 | 5.20 ppm |
2017-11-16 | 579863 | 3.50 ppm |
2017-11-16 | 579862 | 4.10 ppm |
2017-11-16 | 579860 | 5.30 ppm |
2017-11-16 | 579861 | 2.60 ppm |
2017-11-16 | 579864 | 5.40 ppm |
2017-12-05 | 580437 | 2.60 ppm |
2017-12-05 | 580438 | 5.20 ppm |
2017-12-05 | 580440 | 5.90 ppm |
2017-12-05 | 580441 | 4.60 ppm |
2017-12-05 | 580439 | 3.00 ppm |
2018-01-25 | 582240 | 8.90 ppm |
2018-01-25 | 582241 | 5.70 ppm |
2018-01-25 | 582242 | 4.60 ppm |
2018-01-25 | 582243 | 8.30 ppm |
2018-01-25 | 582244 | 6.10 ppm |
2018-02-20 | 583049 | 4.60 ppm |
2018-02-20 | 583050 | 5.60 ppm |
2018-02-20 | 583051 | 5.10 ppm |
2018-02-20 | 583052 | 3.60 ppm |
2018-02-20 | 583053 | 8.30 ppm |
2018-03-21 | 584009 | 4.40 ppm |
2018-03-21 | 584010 | 6.10 ppm |
2018-03-21 | 584011 | 4.20 ppm |
2018-03-21 | 584012 | 7.60 ppm |
2018-03-21 | 584013 | 8.50 ppm |
2018-04-19 | 585176 | 8.80 ppm |
2018-04-19 | 585177 | 5.90 ppm |
2018-04-19 | 585178 | 4.90 ppm |
2018-04-19 | 585179 | 4.90 ppm |
2018-04-19 | 585180 | 6.30 ppm |
2018-05-24 | 586740 | 9.00 ppm |
2018-05-24 | 586741 | 4.80 ppm |
2018-05-24 | 586742 | 7.00 ppm |
2018-05-24 | 586743 | 4.80 ppm |
2018-05-24 | 586744 | 7.30 ppm |
2018-06-19 | 587967 | 6.20 ppm |
2018-06-19 | 587968 | 9.30 ppm |
2018-06-19 | 587969 | 7.00 ppm |
2018-06-19 | 587970 | 5.60 ppm |
2018-06-19 | 587971 | 9.70 ppm |
2018-07-17 | 589324 | 7.30 ppm |
2018-07-17 | 589325 | 8.80 ppm |
2018-07-17 | 589326 | 6.10 ppm |
2018-07-17 | 589327 | 6.10 ppm |
2018-07-17 | 589328 | 9.40 ppm |
2018-08-07 | 590237 | 6.60 ppm |
2018-08-07 | 590238 | 9.40 ppm |
2018-08-07 | 590239 | 4.90 ppm |
2018-08-07 | 590240 | 5.10 ppm |
2018-08-07 | 590241 | 6.20 ppm |
2018-09-21 | 592748 | 4.30 ppm |
2018-09-21 | 592749 | 5.20 ppm |
2018-09-21 | 592750 | ND |
2018-09-21 | 592751 | ND |
2018-09-21 | 592752 | ND |
2018-12-19 | OE752755 | 4.70 ppm |
2018-12-19 | OE752756 | 9.80 ppm |
2018-12-19 | OE752757 | 4.80 ppm |
2018-12-19 | OE752758 | 1.80 ppm |
2018-12-19 | OE752759 | 4.90 ppm |
2019-01-30 | OE765897 | 7.90 ppm |
2019-02-21 | OE773924 | 6.00 ppm |
2019-02-21 | OE773925 | 9.60 ppm |
2019-02-21 | OE773926 | 6.50 ppm |
2019-02-21 | OE773927 | 4.20 ppm |
2019-02-21 | OE773928 | 4.80 ppm |
2019-03-26 | OE785604 | 8.20 ppm |
2019-03-26 | OE785605 | 5.20 ppm |
2019-03-26 | OE785606 | 4.40 ppm |
2019-03-26 | OE785607 | 4.70 ppm |
2019-03-26 | OE785608 | 4.90 ppm |
2019-04-22 | OE798214 | 6.00 ppm |
2019-04-22 | OE798215 | 5.90 ppm |
2019-04-22 | OE798216 | 8.90 ppm |
2019-04-22 | OE798217 | 4.60 ppm |
2019-04-22 | OE798218 | 5.20 ppm |
2019-05-20 | OE810745 | 4.00 ppm |
2019-05-20 | OE810746 | 5.70 ppm |
2019-05-20 | OE810749 | 8.60 ppm |
2019-05-20 | OE810751 | 5.30 ppm |
2019-05-20 | OE810757 | 4.90 ppm |
2019-06-24 | OE825670 | 8.70 ppm |
2019-06-24 | OE825671 | 4.40 ppm |
2019-06-24 | OE825672 | 6.30 ppm |
2019-06-24 | OE825673 | 5.00 ppm |
2019-06-24 | OE825674 | 5.90 ppm |
2019-07-15 | OE835291 | 5.80 ppm |
2019-07-15 | OE835293 | 1.30 ppm |
2019-07-15 | OE835294 | 5.20 ppm |
2019-07-15 | OE835295 | 7.80 ppm |
2019-07-15 | OE835297 | 9.00 ppm |
2019-08-06 | OE846319 | 8.20 ppm |
2019-08-06 | OE846320 | 2.40 ppm |
2019-08-06 | OE846321 | 6.50 ppm |
2019-08-06 | OE846322 | 5.30 ppm |
2019-08-06 | OE846323 | 5.70 ppm |
2019-09-18 | OE868056 | 7.90 ppm |
2019-09-18 | OE868057 | 7.10 ppm |
2019-09-18 | OE868058 | 4.30 ppm |
2019-09-18 | OE868059 | 6.40 ppm |
2019-09-18 | OE868060 | 10.00 ppm |
2019-10-28 | OE886257 | 5.50 ppm |
2019-10-28 | OE886258 | 8.30 ppm |
2019-10-28 | OE886259 | 4.40 ppm |
2019-10-28 | OE886260 | 5.40 ppm |
2019-10-28 | OE886261 | 5.60 ppm |
2019-11-25 | OE898667 | 6.30 ppm |
2019-11-25 | OE898668 | 8.70 ppm |
2019-11-25 | OE898669 | 4.50 ppm |
2019-11-25 | OE898670 | 4.00 ppm |
2019-11-25 | OE898671 | 6.30 ppm |
2019-12-16 | OE906663 | 5.30 ppm |
2019-12-16 | OE906664 | 8.70 ppm |
2019-12-16 | OE906665 | 6.00 ppm |
2019-12-16 | OE906666 | 3.20 ppm |
2019-12-16 | OE906667 | 5.80 ppm |