 
 <prompt> Wetin be di metric unit wey dem dey use measure water? Based on di question wey dey before, write one context wey get di answer. E fit be 1 - 20 sentences. Context: <response>: An urban runoff facility (SMURFF), wey be di first of im kind for US, dey catch and treat 3.5 million US gallons (13,000 m3) of water every week wey for don flow enta di bay through storm-drains and dey sell am back to end-users within di city for reuse as gray-water, while bio-swales all over di city allow rainwater to percolate into and replenish di groundwater supply. Di groundwater supply dey play important role for di city Sustainable Water Master Plan, where Santa Monica don set goal to achieve 100% water independence by 2020. Di city get plenty programs wey dem design to promote water conservation among residents, including rebate of $1.50 per square foot for those wey convert water intensive lawns to more local drought-tolerant gardens wey no need plenty water. 