1. Sydney Water Aquatic Ecosystem Monitoring

2. Macroinvertebrate Monitoring Measuring the impacts of sewage treatment plant discharges

6. Active Blue Mountains STPs July 1980 (11 active)

7. Active Blue Mountains STPs March 2002 (4 active)

9. Wentworth Falls STP Located on the edge of the Blue Mountains World Heritage Area

11. Figure: Phosphorus upstream and downstream of South Katoomba sewage treatment plant

12. Figure: Nitrogen upstream and downstream of South Katoomba sewage treatment plant

15. Ecosystem Recovery Following Closure of Wentworth Falls STP

16. Dragonfly Nymph

17. Beetle

18. Stonefly

19. Midge

20. Caddisfly

21. Alien Species

23. Catchment Development

24. Impact of Urban Development Rouse Hill Area

25. Catchment Development

28. Photography Credits The photographs used in this presentation are reproduced with kind permission of the copyright owners: Ian Wright and Sydney Water Corporation.