Nitrate
Southeast Morris County Municipal Utilities Authority
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 | 1.17 ppm | 14 | 12 | ND - 3.20 ppm |
2015 | 1.05 ppm | 13 | 12 | ND - 2.70 ppm |
2016 | 1.19 ppm | 14 | 12 | ND - 3.30 ppm |
2017 | 1.35 ppm | 25 | 23 | ND - 5.50 ppm |
2018 | 1.38 ppm | 25 | 25 | 0.0560 ppm - 4.70 ppm |
2019 | 1.41 ppm | 23 | 20 | ND - 4.10 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 |
---|---|---|
2014-01-15 | 2958040 | 0.300 ppm |
2014-04-09 | 3004997 | 1.10 ppm |
2014-04-09 | 3004993 | ND |
2014-04-09 | 3004992 | 0.300 ppm |
2014-04-09 | 3004994 | 2.50 ppm |
2014-04-09 | 3004995 | 0.1000 ppm |
2014-08-20 | 3087621 | 0.200 ppm |
2014-08-20 | 3087622 | 2.30 ppm |
2014-08-20 | 3087623 | 1.20 ppm |
2014-08-20 | 3087624 | 1.000 ppm |
2014-08-20 | 3087625 | 1.80 ppm |
2014-08-20 | 3087626 | 2.40 ppm |
2014-10-01 | 3115413 | ND |
2014-10-01 | 3115414 | 3.20 ppm |
2015-02-04 | 3181168 | 0.300 ppm |
2015-04-29 | 3232816 | 1.20 ppm |
2015-04-29 | 3232812 | ND |
2015-04-29 | 3232811 | 0.300 ppm |
2015-04-29 | 3232813 | 2.70 ppm |
2015-04-29 | 3232814 | 0.200 ppm |
2015-09-29 | 3331811 | 0.200 ppm |
2015-09-29 | 3331809 | 1.30 ppm |
2015-09-29 | 3331810 | 1.000 ppm |
2015-09-29 | 3331812 | 1.90 ppm |
2015-09-29 | 3331813 | 2.40 ppm |
2015-12-16 | 3375348 | 0.1000 ppm |
2015-12-16 | 3375349 | 2.10 ppm |
2016-01-28 | 3391881 | 3.30 ppm |
2016-02-10 | 3398568 | 0.300 ppm |
2016-05-11 | 3446555 | 1.30 ppm |
2016-05-11 | 3446551 | ND |
2016-05-11 | 3446550 | 0.200 ppm |
2016-05-11 | 3446552 | 2.40 ppm |
2016-05-11 | 3446553 | ND |
2016-08-03 | 3512042 | 0.200 ppm |
2016-08-03 | 3512043 | 2.10 ppm |
2016-08-03 | 3512044 | 1.20 ppm |
2016-08-03 | 3512045 | 1.000 ppm |
2016-08-03 | 3512046 | 1.80 ppm |
2016-08-03 | 3512047 | 2.70 ppm |
2016-11-02 | 3577927 | 0.1000 ppm |
2017-02-01 | 3630747 | ND |
2017-04-19 | 3677759 | 0.500 ppm |
2017-04-19 | 3677760 | 1.50 ppm |
2017-04-19 | 3677756 | ND |
2017-04-19 | 3677755 | 0.300 ppm |
2017-04-19 | 3677757 | 3.40 ppm |
2017-04-19 | 3677758 | 0.1000 ppm |
2017-07-10 | 7023690001 | 0.130 ppm |
2017-07-17 | 7024424001 | 1.000 ppm |
2017-07-24 | 7025150001 | 1.10 ppm |
2017-07-31 | 7025753001 | 3.30 ppm |
2017-08-02 | 7026067001 | 0.260 ppm |
2017-08-02 | 7026067002 | 3.00 ppm |
2017-08-02 | 7026067003 | 1.90 ppm |
2017-08-02 | 7026067004 | 0.950 ppm |
2017-08-02 | 7026067005 | 1.70 ppm |
2017-08-08 | 7026597001 | 0.260 ppm |
2017-08-15 | 7027330001 | 1.70 ppm |
2017-08-22 | 7027960001 | 0.0520 ppm |
2017-09-05 | 7028960001 | 1.90 ppm |
2017-09-12 | 7029721001 | 2.30 ppm |
2017-09-19 | 7030452001 | 5.50 ppm |
2017-09-21 | 7030814001 | 1.10 ppm |
2017-09-26 | 7031141001 | 1.70 ppm |
2017-11-01 | 7034684001 | 0.0810 ppm |
2018-02-07 | 7042411001-IOC | 0.220 ppm |
2018-04-19 | 7049106005-IOC | 0.270 ppm |
2018-04-19 | 7049106006-IOC | 1.30 ppm |
2018-04-19 | 7049106001-IOC | 0.0640 ppm |
2018-04-19 | 7049106002-IOC | 0.330 ppm |
2018-04-19 | 7049106003-IOC | 3.70 ppm |
2018-04-19 | 7049106004-IOC | 0.730 ppm |
2018-07-12 | 7058101001-IOC | 1.10 ppm |
2018-07-12 | 7058103001-IOC | 0.380 ppm |
2018-07-17 | 7058601001-IOC | 2.40 ppm |
2018-07-18 | 7058765001-IOC | 0.370 ppm |
2018-07-18 | 7058765002-IOC | 3.70 ppm |
2018-07-18 | 7058765003-IOC | 2.20 ppm |
2018-07-18 | 7058765005-IOC | 1.10 ppm |
2018-07-18 | 7058765004-IOC | 2.10 ppm |
2018-07-31 | 7059981001-IOC | 0.1000 ppm |
2018-08-01 | 7060126001-IOC | 0.0560 ppm |
2018-08-07 | 7060758001-IOC | 3.50 ppm |
2018-08-14 | 7061569001-IOC | 4.70 ppm |
2018-08-15 | 7061785001-IOC | 1.30 ppm |
2018-08-22 | 7062536001-IOC | 0.910 ppm |
2018-08-28 | 7063082001-IOC | 1.80 ppm |
2018-09-12 | 7064689001-IOC | 0.990 ppm |
2018-09-19 | 7065405001-IOC | 1.10 ppm |
2018-11-07 | 7070393001-IOC | 0.180 ppm |
2019-02-06 | 7078742001-IOC | 0.590 ppm |
2019-04-11 | 7085596005-IOC | 0.580 ppm |
2019-04-11 | 7085596006-IOC | 1.000 ppm |
2019-04-11 | 7085596001-IOC | ND |
2019-04-11 | 7085596002-IOC | 0.570 ppm |
2019-04-11 | 7085596003-IOC | 3.50 ppm |
2019-04-11 | 7085596004-IOC | 0.120 ppm |
2019-07-08 | 7096672001-IOC | 2.40 ppm |
2019-07-15 | 7097562001-IOC | 0.970 ppm |
2019-07-22 | 7098489001-IOC | 0.0780 ppm |
2019-07-24 | 7098789001-IOC | 0.390 ppm |
2019-07-24 | 7098789002-IOC | 4.10 ppm |
2019-07-24 | 7098789003-IOC | 2.80 ppm |
2019-07-24 | 7098789004-IOC | 0.910 ppm |
2019-07-24 | 7098789005-IOC | 1.90 ppm |
2019-07-29 | 7099282001-IOC | ND |
2019-08-05 | 7099998001-IOC | 2.90 ppm |
2019-08-12 | 70100989001-IOC | 0.290 ppm |
2019-08-19 | 70101993001-IOC | 1.90 ppm |
2019-08-26 | 70102752001-IOC | 3.10 ppm |
2019-09-11 | 70104674001-IOC | 1.60 ppm |
2019-09-18 | 70105524001-IOC | 2.70 ppm |
2019-11-13 | 70111773001-IOC | ND |