Microbial diversity of septic tank effluent and a soil biomat

Jill Tomaras, Jason W. Sahl, Robert L. Siegrist, John R. Spear

Research output: Contribution to journalArticlepeer-review

27 Scopus citations


Microbial diversity of septic tank effluent (STE) and the biomat that is formed as a result of STE infiltration on soil were characterized by 16S rRNA gene sequence analysis. Results indicate that microbial communities are different within control soil, STE, and the biomat and that microbes found in STE are not found in the biomat. The development of a stable soil biomat appears to provide the best on-site water treatment or protection for subsequent groundwater interactions of STE.

Original languageEnglish (US)
Pages (from-to)3348-3351
Number of pages4
JournalApplied and Environmental Microbiology
Issue number10
StatePublished - May 2009
Externally publishedYes

ASJC Scopus subject areas

  • Biotechnology
  • Food Science
  • Ecology
  • Applied Microbiology and Biotechnology


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