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1867 W. T. Sugg Banister's Gas Manipulation (new ed.) 57 If a run-off plug only is used, it becomes necessary to know exactly how long the plug is to be left open.

1892–3 14th Rep. U.S. Geol. Surv. 150 For comparison with this run-off map a similar map showing the mean annual precipitation is introduced.

1919 A. Henry Forests, Woods & Trees i. 7 On slopes the run-off water, that is nil or negligible in the plain, becomes large in quantity.

1937 Sun (Baltimore) 1 July 24/3 Slowing up the run-off rate of heavy rainfall.

1979 A. Hailey Overload (new ed.) iii. viii. 229 Hydroelectric power next year might be reduced by twenty-five percent because of the lack of runoff water.

1990 Jrnl. Plankton Res. 12 1263 Hydro-electric power production alters freshwater runoff patterns.

2006 B. Morsli et al. in E. J. Roose et al. Soil Erosion & Carbon Dynamics ii. viii. 108 For a given location and soil type, maximum runoff rate was always higher on bare than on cropped soils.