Urban Watershed Mitigation Design

NGSS HS-ESS3-4: Evaluate or refine a technological solution that reduces impacts of human activities on natural systems.

Technological Refinements

Invest in solutions to reduce agricultural and urban runoff. Balance the budget and environmental tradeoffs.

Level 0
High Land Use High Effectiveness
Level 0
High Cost High Reliability
Level 0
Moderate Cost Aesthetic Benefit
Level 0
Low Cost Requires Landowner Buy-in
Project Budget: $10.0M / $10.0M

System Impact & Tradeoffs

Pollutant Load (N/P)
100%
Biodiversity Index
40/100
System Reliability
Low
Land Required
Low

Scientific Explanation & Evidence

Human Impacts & Solutions

Human activities, such as agriculture and urban development, introduce excess nutrients (Nitrogen and Phosphorus) and pollutants into natural water systems. This destabilizes the ecosystem, leading to harmful algal blooms and reduced biodiversity.

By engineering technological solutions—such as advanced filtration, constructed wetlands, and green infrastructure—scientists and engineers can reduce pollution. However, every solution involves evaluating criteria (effectiveness, reliability) and constraints (cost, land availability, social impact).

Tradeoffs Analysis

  • Baseline: The existing wastewater treatment is insufficient for current population and agricultural levels. Ecosystem is degrading.
  • Adjust the refinements to see specific tradeoffs here.