Nitrate
Citizens Water - Indianapolis
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 | 0.899 ppm | 29 | 21 | ND - 2.90 ppm |
2015 | 0.890 ppm | 16 | 11 | ND - 3.00 ppm |
2016 | 1.01 ppm | 16 | 12 | ND - 3.37 ppm |
2017 | 0.848 ppm | 18 | 13 | ND - 2.69 ppm |
2018 | 0.758 ppm | 10 | 8 | ND - 2.34 ppm |
2019 | 0.822 ppm | 9 | 6 | ND - 2.42 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 |
---|---|---|
2014-02-12 | 670874N | ND |
2014-02-12 | 670857N | 2.20 ppm |
2014-02-12 | 670855N | 1.60 ppm |
2014-02-12 | 670853N | 2.90 ppm |
2014-02-12 | 670859N | 1.30 ppm |
2014-02-12 | 670872N | ND |
2014-02-12 | 670869N | ND |
2014-05-14 | 683192N | 0.570 ppm |
2014-05-14 | 683194N | 0.200 ppm |
2014-05-14 | 683190N | ND |
2014-05-14 | 683186N | 1.80 ppm |
2014-05-14 | 683184N | 0.800 ppm |
2014-05-14 | 683182N | 1.000 ppm |
2014-05-14 | 683180N | 2.20 ppm |
2014-08-13 | 696774-08N | ND |
2014-08-13 | 696772-07N | 0.640 ppm |
2014-08-13 | 696770-06N | 0.610 ppm |
2014-08-13 | 696768-05N | ND |
2014-08-13 | 696766-04N | 1.10 ppm |
2014-08-13 | 696764-03N | 0.770 ppm |
2014-08-13 | 696762-02N | 0.290 ppm |
2014-08-13 | 696760-01N | 2.10 ppm |
2014-11-12 | 710030N | ND |
2014-11-12 | 710028N | 1.10 ppm |
2014-11-12 | 710026N | ND |
2014-11-12 | 710022N | 1.50 ppm |
2014-11-12 | 710020N | 0.650 ppm |
2014-11-12 | 710018N | 0.140 ppm |
2014-11-12 | 710016N | 2.60 ppm |
2015-02-11 | 722652-07N | 0.400 ppm |
2015-02-11 | 722650-06N | 0.910 ppm |
2015-02-11 | 722648-05N | ND |
2015-02-11 | 722644-04N | 1.70 ppm |
2015-02-11 | 722642-02N | 1.80 ppm |
2015-02-11 | 722640-01N | 2.50 ppm |
2015-11-09 | 150100706N | 0.310 ppm |
2015-11-09 | 150100702N | 3.00 ppm |
2015-11-09 | 150100708N | 1.10 ppm |
2015-11-09 | 150100704N | ND |
2015-11-10 | 150102308N | ND |
2015-11-11 | 150102910N | ND |
2015-11-11 | 150102912N | ND |
2015-11-11 | 150102911N | 0.810 ppm |
2015-11-11 | 150102913N | 0.940 ppm |
2015-12-01 | SWFPD | 0.762 ppm |
2016-05-11 | 16067304N | 0.230 ppm |
2016-05-11 | 16067302N | 0.800 ppm |
2016-05-11 | 16067026N | 2.22 ppm |
2016-05-11 | 16067021N | 1.87 ppm |
2016-05-11 | 16067014N | 1.23 ppm |
2016-05-11 | 16067007N | 3.37 ppm |
2016-05-11 | 16066622N | ND |
2016-08-09 | 16121409N | ND |
2016-08-09 | 16121404N | 1.84 ppm |
2016-08-09 | 16121403N | 0.350 ppm |
2016-08-09 | 16121402N | 0.490 ppm |
2016-08-09 | 16121401N | 2.88 ppm |
2016-08-09 | 16122502N | ND |
2016-08-10 | 16122506N | ND |
2016-08-10 | 16122508N | 0.440 ppm |
2016-08-10 | 16122514N | 0.450 ppm |
2017-05-09 | 17070703N | 2.69 ppm |
2017-05-09 | 17070705N | 1.29 ppm |
2017-05-09 | 17070707N | 1.52 ppm |
2017-05-09 | 17070709N | 1.68 ppm |
2017-05-09 | 17070719N | ND |
2017-05-10 | 17071405N | 0.220 ppm |
2017-05-10 | 17071403N | ND |
2017-05-10 | 17071401N | ND |
2017-08-15 | 17130610 | ND |
2017-08-16 | 17130604 | 1.60 ppm |
2017-08-16 | 17130607 | 0.380 ppm |
2017-08-16 | 17130606 | 1.18 ppm |
2017-08-16 | 17130605 | ND |
2017-08-16 | 17130603 | 0.460 ppm |
2017-08-16 | 17130602 | 0.400 ppm |
2017-08-16 | 17130601 | 2.40 ppm |
2017-08-16 | 17130608 | 0.360 ppm |
2017-09-01 | WRNSEPTFLUOR17 | 1.09 ppm |
2018-08-14 | 18127710N | ND |
2018-08-15 | 52490004 | 0.910 ppm |
2018-08-15 | 18128108N | 0.910 ppm |
2018-08-15 | 18128107N | 0.420 ppm |
2018-08-15 | 18128106N | 0.630 ppm |
2018-08-15 | 18128105N | ND |
2018-08-15 | 18128104N | 1.58 ppm |
2018-08-15 | 18128101N | 2.34 ppm |
2018-08-15 | 18128102N | 0.480 ppm |
2018-08-15 | 18128103N | 0.310 ppm |
2019-05-14 | 19092612N | ND |
2019-05-15 | 19092602N | 0.890 ppm |
2019-05-15 | 19092607N | ND |
2019-05-15 | 19092606N | 0.630 ppm |
2019-05-15 | 19092605N | ND |
2019-05-15 | 19092604N | 1.56 ppm |
2019-05-15 | 19092603N | 1.07 ppm |
2019-05-15 | 19092601N | 2.42 ppm |
2019-08-14 | 19169103N | 0.830 ppm |