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Basic information on sample pig farms (n = 29).
| Basic Information | Annual Rainfall (mm) | Annual Runoff (mm) | Inception Year | Sows in Stock (Head) | Annual Sold Hog (Head) | Fresh Manure (ton yr−1) | Urine (ton yr−1) | Washing Wastewater (ton yr−1) |
|---|---|---|---|---|---|---|---|---|
| Range | 1472–1795 | 873–1302 | 1992–2009 | 25–60 | 300–990 | 137–404 | 210–632 | 486–1486 |
| median | 1553 | 1004 | 2003 | 56 | 700 | 306 | 472 | 1100 |
