Far from the cameras that will be trained on President Obama when he stops in Fresno on Friday to see the havoc wreaked on farms by California's drought, barren pastures and empty ponds threaten the organic dairies of the North Bay. Thanks to the drought, there is virtually no pasture in Marin and Sonoma counties - and without locally grown pasture, a farm can't keep its organic certification. Last weekend's heavy rains helped a lot, dumping 11 inches on Richard Hughes' 200-cow farm in Bodega, turning the hills green and adding precious water to his pond, but he'll need a lot more rainfall for his herd to last another year. Local officials have asked the USDA for temporary variance to allow cows to eat organic feed purchased from outside the area until their pastures recover. Political attention has been focused squarely on the San Joaquin Valley, where farms growing fruits, vegetables and especially tree crops such as almonds rely on irrigation from the Central Valley Project that takes water from the Sacramento-San Joaquin River Delta. Central Valley focusThe House passed a Republican bill last month that would permanently reallocate water from the delta to Central Valley farms, as proponents argued that water is being wasted on restoring rivers and saving salmon runs and the endangered delta smelt. Survival fearsJake Lewin, president of California Certified Organic Farmers, a group accredited by the Department of Agriculture to certify organic farms, said the drought problems on the North Coast are "especially pronounced." Lewin's organization is asking member farmers who have organic waste such as vegetable matter or almond hulls that they might normally compost to send them to dairy and livestock farms to carry them over.