What's the carbon footprint of a splash pad?

Splash pad carbon footprint breaks into construction (one-time) and operations (annual). Construction is dominated by concrete and plastic, both of which carry meaningful embodied carbon. A new pad represents perhaps 50 to 200 metric tons of CO2 equivalent in initial construction, depending on size and material choices. Amortized over a 20-year design life, that's modest. Annual operations are dominated by pumping electricity (which depends entirely on the local grid mix), chlorine and other chemical production, and water treatment. A typical recirculating pad on a relatively clean grid might run 5 to 15 metric tons CO2e per year, smaller than a single suburban household. Pads on coal-heavy grids run higher; pads in regions with renewable mixes lower. Green-design choices that meaningfully reduce footprint include solar-supplemented pumping, shade structures that reduce evaporation and chemical demand, smart cycle controls that reduce runtime, and reclaimed-water makeup. Pads should be compared honestly to alternatives: a public pool of equivalent service has a substantially larger footprint, while a no-pad-no-pool baseline has a smaller one but provides no cooling benefit during heat waves.