Can we use drainage water or Salton Sea water for irrigation?
There are two sources for drainage water; surface drainage also known as “tailwater” and subsurface drainage also known as “leach water”. Surface drainage water can be reused, under certain circumstances, for irrigation. In the Imperial Valley, there are approximately 20-30 runoff recovery systems in use. Subsurface drainage water is generally too salty to grow commercial crops. Salton Sea water is too salty to grow crops; the salinity of the Salton Sea is approximately 44,000 mg/L (higher than the salinity of the Pacific Ocean).
Related Questions
- I understand that there are concerns that if the Imperial Irrigation District sells water to Southern California cities, there might be unwanted effects on the Salton Sea caused by decreased runoff. Can you help explain this?
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