Occurrence of Endotoxins in Groundwater During the Land Application of Wastewater

Sagar M. Goyal, Charles P. Gerba

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Since sewage may contain high concentrations of bacterial endotoxin, the occurrence of endotoxin in groundwater underlying five sewage land application sites was studied. Endotoxin concentrations were found to range from 0.3 to 480 ng/ml in wells 3 to 37 m beneath these sites. Although these concentrations were higher than the native groundwater, a 90% to 99.9% reduction in endotoxin occurred during percolation of this sewage water through the soil.

Original languageEnglish (US)
Pages (from-to)187-196
Number of pages10
JournalJournal of Environmental Science and Health . Part A: Environmental Science and Engineering
Issue number2
StatePublished - Jan 1 1982

Bibliographical note

Funding Information:
This work was supported by a grant from the EPA


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