How much water does that wash-plant consume?
The wash plant is proposed to run 24/7 and will produce about 400 tons of sand per hour (you have to wait til the very end of the audio recording to hear that — they start at 500 tons/DAY). ... maybe as much as 10%). So presumably that's 20 tons of water per hour (of wash plant operation) leaving the mine site (5% of 400 tons/hour). Or ...