1. The creek receives surface runoff from open space and residential land use. 2. Other threats include quarry mining, herbicides and surface runoff , mowing, and weeds. 3. The southeast embankment generally experiences significant surface runoff from snow-melt and rain. 4. Thus, suggests ocean temperature controls ice sheet surface runoff at specific sites. 5. This erosion can result from interflow as well as surface runoff . 6. The water is polluted with silt, surface runoff , and other substances. 7. Other contamination would still occur from farms, surface runoff , or failing septic tanks. 8. More exotic and harmful elements of TDS are pesticides arising from surface runoff . 9. Relative to ocean water, this has a high chemical load from surface runoff . 10. Shivta s water supply was based on surface runoff collected in large reservoirs.
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