Nitrate
Town of Payson
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 | 1.39 ppm | 27 | 26 | ND - 4.30 ppm |
2015 | 1.40 ppm | 27 | 26 | ND - 4.60 ppm |
2016 | 1.31 ppm | 32 | 29 | ND - 4.00 ppm |
2017 | 1.40 ppm | 26 | 24 | ND - 4.10 ppm |
2018 | 1.35 ppm | 26 | 25 | ND - 4.10 ppm |
2019 | 1.12 ppm | 23 | 19 | ND - 3.70 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 |
---|---|---|
2014-10-01 | 550-32477-1 | 1.50 ppm |
2014-10-01 | 550-32477-2 | 1.10 ppm |
2014-10-01 | 550-32477-3 | 1.10 ppm |
2014-10-01 | 550-32477-4 | 1.60 ppm |
2014-10-01 | 550-32477-5 | 1.80 ppm |
2014-10-01 | 550-32477-6 | 2.00 ppm |
2014-10-08 | 550-32949-1 | 0.650 ppm |
2014-10-08 | 550-32949-10 | 1.60 ppm |
2014-10-08 | 550-32949-2 | 0.850 ppm |
2014-10-08 | 550-32949-3 | 0.250 ppm |
2014-10-08 | 550-32949-4 | 0.560 ppm |
2014-10-08 | 550-32949-5 | 2.00 ppm |
2014-10-08 | 550-32949-6 | 3.40 ppm |
2014-10-08 | 550-32949-7 | 0.770 ppm |
2014-10-08 | 550-32949-8 | 4.20 ppm |
2014-10-08 | 550-32949-9 | 1.40 ppm |
2014-10-21 | 550-33689-1 | 1.70 ppm |
2014-10-21 | 550-33689-10 | 0.520 ppm |
2014-10-21 | 550-33689-12 | 0.700 ppm |
2014-10-21 | 550-33689-2 | 0.760 ppm |
2014-10-21 | 550-33689-3 | 0.390 ppm |
2014-10-21 | 550-33689-4 | 0.860 ppm |
2014-10-21 | 550-33689-5 | 1.30 ppm |
2014-10-21 | 550-33689-6 | 4.30 ppm |
2014-10-21 | 550-33689-7 | 1.30 ppm |
2014-10-21 | 550-33689-8 | 0.900 ppm |
2014-10-21 | 550-33689-9 | ND |
2015-09-14 | 550-51151-1 | 1.50 ppm |
2015-09-14 | 550-51151-2 | 1.10 ppm |
2015-09-14 | 550-51151-3 | 1.20 ppm |
2015-09-14 | 550-51151-4 | 1.70 ppm |
2015-09-14 | 550-51151-5 | 2.00 ppm |
2015-09-14 | 550-51151-6 | 1.80 ppm |
2015-09-14 | 550-51151-7 | 1.60 ppm |
2015-09-14 | 550-51151-8 | 3.20 ppm |
2015-09-14 | 550-51151-9 | 1.40 ppm |
2015-09-15 | 550-51247-1 | 0.790 ppm |
2015-09-15 | 550-51247-2 | 0.850 ppm |
2015-09-15 | 550-51247-3 | 0.130 ppm |
2015-09-15 | 550-51247-4 | 0.670 ppm |
2015-09-15 | 550-51247-5 | 0.850 ppm |
2015-09-15 | 550-51247-6 | 4.10 ppm |
2015-09-15 | 550-51247-7 | 1.40 ppm |
2015-09-21 | 550-51514-1 | 1.20 ppm |
2015-09-21 | 550-51514-2 | ND |
2015-09-21 | 550-51514-3 | 0.760 ppm |
2015-09-21 | 550-51514-4 | 0.760 ppm |
2015-09-21 | 550-51514-5 | 0.410 ppm |
2015-09-21 | 550-51514-6 | 1.30 ppm |
2015-09-22 | 550-51591-1 | 1.70 ppm |
2015-09-22 | 550-51591-2 | 0.990 ppm |
2015-09-22 | 550-51591-3 | 0.380 ppm |
2015-09-22 | 550-51591-4 | 1.40 ppm |
2015-09-22 | 550-51591-5 | 4.60 ppm |
2016-06-01 | 550-64214-1 | 4.00 ppm |
2016-06-01 | 550-64214-2 | 1.30 ppm |
2016-06-01 | 550-64214-3 | 1.30 ppm |
2016-06-01 | 550-64214-4 | ND |
2016-06-01 | 550-64214-5 | 0.670 ppm |
2016-10-24 | 2016102503331 | 1.50 ppm |
2016-10-24 | 2016102503341 | 1.10 ppm |
2016-10-24 | 2016102503351 | 1.10 ppm |
2016-10-24 | 2016102503361 | 1.70 ppm |
2016-10-24 | 2016102503371 | 1.80 ppm |
2016-10-24 | 2016102503381 | 0.740 ppm |
2016-10-24 | 2016102503391 | 1.80 ppm |
2016-10-24 | 2016102503401 | 1.70 ppm |
2016-10-24 | 2016102503411 | 1.20 ppm |
2016-10-25 | 2016102605081 | 1.50 ppm |
2016-10-25 | 2016102605091 | 0.630 ppm |
2016-10-25 | 2016102605101 | 0.810 ppm |
2016-10-25 | 2016102605111 | ND |
2016-10-25 | 2016102605121 | 0.540 ppm |
2016-10-25 | 2016102605131 | 1.90 ppm |
2016-10-25 | 2016102605141 | 2.90 ppm |
2016-10-25 | 2016102605151 | 0.770 ppm |
2016-10-25 | 2016102605161 | 3.80 ppm |
2016-10-26 | 2016102703221 | 0.740 ppm |
2016-10-26 | 2016102703231 | 0.890 ppm |
2016-10-26 | 2016102703241 | 0.320 ppm |
2016-10-26 | 2016102703251 | 0.810 ppm |
2016-10-26 | 2016102703261 | 3.60 ppm |
2016-10-26 | 2016102703271 | 1.20 ppm |
2016-10-26 | 2016102703281 | 0.940 ppm |
2016-10-26 | 2016102703291 | ND |
2016-10-26 | 2016102703301 | 0.550 ppm |
2017-10-24 | 201710250395I | 1.50 ppm |
2017-10-24 | 201710250396I | 1.10 ppm |
2017-10-24 | 201710250397I | 1.70 ppm |
2017-10-24 | 201710250398I | 0.380 ppm |
2017-10-24 | 201710250399I | 0.540 ppm |
2017-10-24 | 201710250400I | 1.20 ppm |
2017-10-24 | 201710250401I | 3.20 ppm |
2017-10-24 | 201710250402I | 1.10 ppm |
2017-10-24 | 201710250403I | ND |
2017-10-24 | 201710250404I | 0.630 ppm |
2017-10-24 | 201710250405I | 1.20 ppm |
2017-10-24 | 201710250588I | 1.70 ppm |
2017-10-24 | 201710250589I | 1.50 ppm |
2017-10-24 | 201710250590I | ND |
2017-10-24 | 201710250591I | 2.00 ppm |
2017-10-24 | 201710250592I | 1.90 ppm |
2017-10-24 | 201710250593I | 0.750 ppm |
2017-10-24 | 201710250594I | 4.10 ppm |
2017-10-24 | 201710250597I | 1.30 ppm |
2017-10-24 | 201710250598I | 0.750 ppm |
2017-10-24 | 201710250599I | 0.820 ppm |
2017-10-24 | 201710250600I | 0.820 ppm |
2017-10-24 | 201710250601I | 2.30 ppm |
2017-10-24 | 201710250602I | 3.80 ppm |
2017-10-24 | 201710250603I | 0.820 ppm |
2017-10-24 | 201710250604I | 1.40 ppm |
2018-11-28 | 550-114040-1 | 1.60 ppm |
2018-11-28 | 550-114040-10 | 2.50 ppm |
2018-11-28 | 550-114040-11 | 3.00 ppm |
2018-11-28 | 550-114040-12 | 0.830 ppm |
2018-11-28 | 550-114040-13 | 1.80 ppm |
2018-11-28 | 550-114040-14 | 1.20 ppm |
2018-11-28 | 550-114040-18 | 4.10 ppm |
2018-11-28 | 550-114040-2 | 1.10 ppm |
2018-11-28 | 550-114040-3 | 1.10 ppm |
2018-11-28 | 550-114040-4 | 1.60 ppm |
2018-11-28 | 550-114040-5 | 1.60 ppm |
2018-11-28 | 550-114040-6 | 0.610 ppm |
2018-11-28 | 550-114040-9 | 0.380 ppm |
2018-11-29 | 550-114040-15 | 1.90 ppm |
2018-11-29 | 550-114040-16 | 1.70 ppm |
2018-11-29 | 550-114040-17 | 0.820 ppm |
2018-11-29 | 550-114040-19 | 0.330 ppm |
2018-11-29 | 550-114040-20 | 0.390 ppm |
2018-11-29 | 550-114040-21 | 1.20 ppm |
2018-11-29 | 550-114040-22 | 3.10 ppm |
2018-11-29 | 550-114040-23 | 1.20 ppm |
2018-11-29 | 550-114040-7 | 0.810 ppm |
2018-11-29 | 550-114040-8 | 0.180 ppm |
2018-12-10 | 550-114720-1 | ND |
2018-12-10 | 550-114720-2 | 1.30 ppm |
2018-12-10 | 550-114720-3 | 0.800 ppm |
2019-10-30 | 2019103102471 | 1.60 ppm |
2019-10-30 | 2019103102481 | 1.20 ppm |
2019-10-30 | 2019103102491 | 0.460 ppm |
2019-10-30 | 2019103102501 | ND |
2019-10-30 | 2019103102511 | 0.610 ppm |
2019-10-30 | 2019103102521 | 2.50 ppm |
2019-10-30 | 2019103102531 | 3.30 ppm |
2019-10-30 | 2019103102541 | 0.960 ppm |
2019-10-30 | 2019103102551 | 0.560 ppm |
2019-10-30 | 2019103102561 | 1.80 ppm |
2019-10-30 | 2019103102571 | 0.190 ppm |
2019-10-30 | 2019103102581 | 0.920 ppm |
2019-10-30 | 2019103102591 | 1.30 ppm |
2019-10-30 | 2019103102601 | 3.10 ppm |
2019-10-30 | 2019103102611 | ND |
2019-10-30 | 2019103102621 | 0.920 ppm |
2019-10-30 | 201910310263I | ND |
2019-10-30 | 2019103106931 | 0.160 ppm |
2019-10-30 | 2019103106941 | 1.60 ppm |
2019-10-30 | 2019103106951 | ND |
2019-10-30 | 2019103106961 | 0.610 ppm |
2019-10-30 | 2019103106971 | 0.190 ppm |
2019-10-30 | 2019103106981 | 3.70 ppm |