Yeah, I wasn't being entirely serious with the pumped hydro, nice in theory... But if you've done the rest of the infrastructure for it. What about seeper hose

Yeah, I wasn't being entirely serious with the pumped hydro, nice in theory... But if you've done the rest of the infrastructure for it. What about seeper hoses, or have you looked into hydraulic ram pumps? That might give you enough pressure to drive a sprinkler.