Interpreting drinking water test results by chris mechenich and elaine andrews m usty odors, red-brown stains on plumbing fixtures, bathtub rings�all these are unpleasant signs of water quality. The amount of water that will soak in over time depends on several characteristics of the watershed: soil characteristics: in georgia, clayey and rockey soils of the northern areas absorb less water at a slower rate than sandy soils, such as in georgia's coastal plain. soils absorbing less water results in more runoff overland into streams.. This process may result in oxygen depletion of the water body. one example is the "bloom" or great increase of phytoplankton in a water body as a response to increased levels of nutrients. eutrophication is almost always induced by the discharge of nitrate or phosphate-containing detergents,.
Watershed assessment results significantly improving water quality in ellerbe creek is possible, but it will take time. brown and caldwell recommended the following actions to restore water quality.. Ewg's tap water database. since 2010, water utilities' testing has found pollutants in americans' tap water, according to an ewg drinking water quality analysis of 30 million state water records..
