{"title":"Walnut Creek WTP - Process Overview","uid":"wc-proc-overview","version":3,
 "panels":[
   {"type":"gauge","title":"Influent Flow (GPM)","id":1,
    "targets":[{"expr":"modbus_holding{site=\"walnut_creek\",tag=\"flow_rate_gpm\"}"}]},
   {"type":"stat","title":"Tank Level (ft)","id":2,
    "targets":[{"expr":"modbus_holding{site=\"walnut_creek\",tag=\"tank_level_ft\"}"}]},
   {"type":"stat","title":"Pump 1 Status","id":3,
    "targets":[{"expr":"modbus_holding{site=\"walnut_creek\",tag=\"pump1_status\"}"}]}
 ],"time":{"from":"now-1h","to":"now"},"refresh":"30s"}