Assess students' ability to design a small-town sustainable watershed plan: create a simple land-use map (residential, commercial, roads, green spaces), propose and site green infrastructure (rain gardens, permeable pavement, bioswales, native plantings) with area estimates, calculate expected reduction in stormwater runoff volume and pollutant load for a specified rainfall event (assume or use a provided 1‑inch storm; show runoff coefficient/volume calculations and percent pollutant removal), estimate rainwater capture from rooftops, and outline a community monitoring and maintenance plan with roles, schedule, and measurable indicators.