Natural attenuation of septic system nitrogen by anammox.

  title={Natural attenuation of septic system nitrogen by anammox.},
  author={William C. Robertson and Tara A Moore and John Spoelstra and Linhai Li and Richard J Elgood and Ian D. Clark and Sherry L. Schiff and R. Aravena and Josh D. Neufeld},
  journal={Ground water},
  volume={50 4},
On-site disposal of sewage in septic systems can lead to groundwater plumes with NO(3)(-)-N concentrations exceeding the common drinking water limit of 10 mg/L. Currently, denitrification is considered as the principal natural attenuation process. However, at a large seasonal-use septic system in Ontario (256 campsites), a suboxic zone exists where nitrogen removal of up to 80% occurs including removal of NH(4)(+)-N. This zone has both NO(3)(-)-N and NH(4)(+)-N at >5 mg/L each. In the distal NH… CONTINUE READING


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Proceedings of the National Academy of Sciences of the United States of America • 2016
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