AMN trench lengths are based on real, long term data and supported by that data. In fact they have under estimated flows.
RWD support their trench length with a supply requiring flows which are 50% greater than their short term pump tests. And they need that for 27 years.
Long trenches are cheap to dig and maintain. The only trench length limitation is lake size, which in my opinion was the reason RWD had to increase flows to unrealistic and unproven rates.
Lake Disappointment won't allow any additional trenching due to size restrictions. Using real flow rates per its announcements iLake Disappointment's production rate is 270ktpa.
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