The several million inhabitants of Orange County ​ — a low rainfall area of California, in the United States — ​ benefit from an innovative solution to the wastewater problem.
Beberapa juta penduduk Orange County ​ — daerah bercurah hujan rendah di Kalifornia, Amerika Serikat ​ — mendapat manfaat dari solusi yang inovatif bagi masalah air limbah.