Water Treatment Plant

flowchart TB
  n0["system<br>Water Treatment Plant"]
  n1["actor<br>River Water Source"]
  n2["actor<br>Distribution Network"]
  n3["actor<br>Regulatory Authority"]
  n4["actor<br>Chemical Suppliers"]
  n5["actor<br>Electrical Grid"]
  n6["actor<br>Plant Operators"]
  n7["actor<br>Sludge Disposal Facility"]
  n1 -->|Raw water intake| n0
  n0 -->|Treated potable water| n2
  n3 -->|Compliance standards and audits| n0
  n0 -->|Water quality reports| n3
  n4 -->|Treatment chemicals| n0
  n5 -->|Electrical power| n0
  n6 -->|Supervisory commands| n0
  n0 -->|Process data and alarms| n6
  n0 -->|Dewatered sludge| n7