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EWG's Tap Water Database — 2019 UPDATE

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Nitrate and nitrite

Alliance City PWS

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.

 

72

Samples

0

Samples exceeding legal limit (MCL)

67

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
20120.299 ppm12120.120 ppm - 0.630 ppm
20130.321 ppm12120.130 ppm - 0.670 ppm
20140.373 ppm12120.110 ppm - 0.690 ppm
20150.369 ppm12120.210 ppm - 0.650 ppm
20160.341 ppm1211ND - 0.510 ppm
20170.304 ppm1211ND - 0.660 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
2012-01-0312-10162-010.550 ppm
2012-02-0112-11188-010.630 ppm
2012-03-0712-12568-010.560 ppm
2012-04-0312-13709-010.310 ppm
2012-05-0112-14792-010.160 ppm
2012-06-0512-16419-010.120 ppm
2012-07-1712-18603-010.190 ppm
2012-08-0712-19666-010.230 ppm
2012-09-1912-21844-010.230 ppm
2012-10-0212-22623-010.220 ppm
2012-11-1412-24644-010.230 ppm
2012-12-0412-25417-010.160 ppm
2013-01-0213-10053-010.200 ppm
2013-02-0513-11460-010.390 ppm
2013-03-0513-12711-010.670 ppm
2013-04-1013-14370-010.590 ppm
2013-05-0113-15194-010.480 ppm
2013-06-0413-16950-010.130 ppm
2013-07-1613-19297-010.440 ppm
2013-08-1313-20663-010.160 ppm
2013-09-0413-21807-010.180 ppm
2013-10-0213-23337-010.220 ppm
2013-11-0513-24924-010.210 ppm
2013-12-0313-26065-010.180 ppm
2014-01-0814-10259-010.360 ppm
2014-02-0314-11401-010.580 ppm
2014-03-0514-12575-010.690 ppm
2014-04-0214-13907-010.690 ppm
2014-05-0714-15492-010.340 ppm
2014-06-0414-17017-010.110 ppm
2014-07-0814-18964-010.510 ppm
2014-08-0614-20297-010.260 ppm
2014-09-0914-22424-010.230 ppm
2014-10-0114-23505-010.300 ppm
2014-11-0514-25191-010.250 ppm
2014-12-0314-26436-010.160 ppm
2015-01-0615-10215-010.240 ppm
2015-02-0415-11347-010.360 ppm
2015-03-0415-12545-010.520 ppm
2015-04-0115-14383-010.650 ppm
2015-05-0515-15746-010.230 ppm
2015-06-0115-17306-010.260 ppm
2015-07-0815-19376-010.390 ppm
2015-08-0415-20959-010.210 ppm
2015-09-0115-22768-010.270 ppm
2015-10-1315-25143-010.440 ppm
2015-11-0315-26264-010.420 ppm
2015-12-0115-27540-010.440 ppm
2016-01-0616-10253-010.510 ppm
2016-02-1016-12012-010.430 ppm
2016-03-0116-12980-010.480 ppm
2016-04-0616-14833-010.510 ppm
2016-05-0316-16382-010.170 ppm
2016-06-0116-17814-01ND
2016-07-0616-20233-010.320 ppm
2016-08-0316-22242-010.200 ppm
2016-09-0716-24716-010.220 ppm
2016-10-0516-26806-010.380 ppm
2016-11-0216-28549-010.470 ppm
2016-12-1316-31002-010.400 ppm
2017-01-0417-10147-010.470 ppm
2017-02-0117-11741-010.610 ppm
2017-03-0117-13527-010.660 ppm
2017-04-0417-15814-010.240 ppm
2017-05-0317-17664-01ND
2017-06-0717-20000-010.170 ppm
2017-07-1117-22666-010.160 ppm
2017-08-0217-24318-010.210 ppm
2017-09-0117-27031-010.230 ppm
2017-10-0417-29247-010.230 ppm
2017-11-0117-31099-010.340 ppm
2017-12-0617-33315-010.330 ppm