Ohio State University

Walnut Creek Watershed

Scenario 3 - Consequences of Watershed Growth Over Time


Scenario 3

Growth Controls

Growth controls in addition to mitigation efforts implemented in the Walnut Creek watershed succeed in retaining the current water quality status of most sections in the watershed and actually increase the quality in the smaller central regions. In this scenario, additional growth regulations significantly reduce the adverse affects of urbanization. The investigated areas of the watershed either remain in their current status or increase to exceptional for the first 20 years. Only one area, the most southern portion investigated, is reduced to good status in years 30 and 40. At 50 years, however, cumulative impacts are becoming evident. Overall, growth controls and mitigation efforts have greatly assisted in maintaining high water quality and keeping additional degradation in check throughout much of the forecasted time frame.

Current Status 10 Years 20 Years
30 Years 40 Years 50 Years



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