Microbial Quality of the Nation’s Ground-Water Resources, 1993

Scientific Investigations Report 2006–5290

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2006–5290

Figure - refer to figure caption for alternative text description

Figure 5. Percentage of wells testing positive for total coliform bacteria and Escherichia coli (A), and concentrations of coliform bacteria (B) by study network in samples collected in 22 study units of the National Water-Quality Assessment program, 1993–2004.

Back to Table of Contents

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Persistent URL: https://pubs.water.usgs.gov/sir20065290
Page Contact Information: Publications Team
Page Last Modified: Thursday, 01-Dec-2016 19:30:19 EST