Show POLLUTION OF SPRING WATER contamination often caused by seepage and from surface drainage good cover Is favored if the water supply on tha farm Is obtained from a spring every effort should be made to guard the spring from pollution of any kind an open spring may be contaminated from surface drainage and from seepage and also by the introduction of impurities in dipping the water this trouble may bo be guarded against by inclosing the spring in a concrete ia A spring with a good location casing on all sides and providing a cover and a pipe cemented jn in on one side olde to allow tho the water to run out the cover should be removable to permit the cleaning out of the sand alch which always accumulates terra cotta botta drain arain tiling Is used also and answers tho the purpose admirably |