Summary of WWTP locations, Escherichia coli loads in primary clarifier effluents and antibiotic-resistant E. coli isolates obtained from each site
| WWTP site . | Average facility capacity . | Dates of collection . | Total E. coli (CFU/100 mL) . | AR E. coli isolates . | CR E. coli isolates . | Raw wastewater composition . |
|---|---|---|---|---|---|---|
| Ohio | 13 MGD | July 2013 | 9.00 × 106 | 51 | 8 | Domestic, urban |
| Sept. 2013 | 2.70 × 106 | |||||
| New Jersey | 45 MGD | July 2013 | 3.50 × 106 | 84 | 22 | Domestic, urban |
| Nov. 2012 | 4.50 × 106 | |||||
| N. California | 33 MGD | July 2013 | 1.00 × 106 | 8 | 1 | Agriculture, domestic, suburban |
| April 2013 | TNTC | |||||
| Texas | 7.0 MGD | July 2013 | 1.50 × 106 | 14 | 1 | Agriculture, domestic, rural |
| April 2013 | 2.00 × 107 | |||||
| Maryland | 5.0 MGD | July 2013 | 3.00 × 107 | 32 | 8 | Domestic, industrial, suburban |
| April 2013 | 5.50 × 107 | |||||
| Colorado | 135 MGD | July 2013 | 7.50 × 106 | 29 | 10 | Agriculture, domestic, industrial, urban |
| April 2013 | 3.00 × 107 | |||||
| S. California | 275 MGD | July 2013 | 1.70 × 107 | 104 | 15 | Industrial, agriculture, domestic, urban |
| Sept. 2013 | 1.00 × 107 |
| WWTP site . | Average facility capacity . | Dates of collection . | Total E. coli (CFU/100 mL) . | AR E. coli isolates . | CR E. coli isolates . | Raw wastewater composition . |
|---|---|---|---|---|---|---|
| Ohio | 13 MGD | July 2013 | 9.00 × 106 | 51 | 8 | Domestic, urban |
| Sept. 2013 | 2.70 × 106 | |||||
| New Jersey | 45 MGD | July 2013 | 3.50 × 106 | 84 | 22 | Domestic, urban |
| Nov. 2012 | 4.50 × 106 | |||||
| N. California | 33 MGD | July 2013 | 1.00 × 106 | 8 | 1 | Agriculture, domestic, suburban |
| April 2013 | TNTC | |||||
| Texas | 7.0 MGD | July 2013 | 1.50 × 106 | 14 | 1 | Agriculture, domestic, rural |
| April 2013 | 2.00 × 107 | |||||
| Maryland | 5.0 MGD | July 2013 | 3.00 × 107 | 32 | 8 | Domestic, industrial, suburban |
| April 2013 | 5.50 × 107 | |||||
| Colorado | 135 MGD | July 2013 | 7.50 × 106 | 29 | 10 | Agriculture, domestic, industrial, urban |
| April 2013 | 3.00 × 107 | |||||
| S. California | 275 MGD | July 2013 | 1.70 × 107 | 104 | 15 | Industrial, agriculture, domestic, urban |
| Sept. 2013 | 1.00 × 107 |