HAWKESBURY NEPEAN HEALTH STRATEGY bushwalking clubs, weed removal andbothLandcarebushwalking programs. and Bushcare groups undertaking There includinga environmental isahighlevel ofcommunity activity Wild Plant group, Rescue many at River reach joinstheHawkesbury Yarramundi andisunderthreat from weeds andoff Grose reach R2isarelatively oftheGrose belowtheNationalPark River short ownership. thatisinprivate This and NewSouth Wales Government threatened specieslegislation. number ofhanging swamps, which are listed asendangered ecological communitiesontherelevant Australian intheupperreaches, isintensive. particularly extraction, containalargeThe plateaus oftheBlueMountains into theGrose River. Stormwater to thereaches, sedimentsandnutrients iscontributing whilegroundwater Sewage and Lawson. Blackheath Treatment Plant discharges effl Blackheath development to isgenerallyrestricted Urban theareas Katoomba, around thetownships ofNorth viewsoftallcliff byspectacular The area ischaracterised alloftheGrose land(theGreater subcatchmentNearly River isinreserved BlueMountains World Area). Heritage s andplateaus ofexposedsandstone. uent into Hat Hill Creek, whichthenfeeds Creek, uent into HatHill -stream landuseimpacts.

Grose River Subcatchment

31 Appendix 4.2 Subcatchment summaries with Hawkesburyuence River is in private points and along foreshores (E,W)points and along foreshores quality (M) (E) restoration confl to down ownership. (E,W)points and along foreshores quality (M) (E,P) • management (P,W) Riparian wetland • access river Manage human impacts at public recreation • water values – recreational of recreational Maintenance • quality / nutrient management (I,W) Water • environmental Increase community capacity for Reach in National Park • section Lowest Heritage Area. World in Some of reach • access river Manage human impacts at public recreation • water values – recreational of recreational Maintenance • quality / nutrient management (I) Water • (W) riparian vegetation of exotic Removal/replacement • activity Maintain existing community based environment • (P,W) animal management in riparian zone Pest (Planning, Education, Works, Monitoring, Institutional) Monitoring, Works, Education, (Planning, channel ed / engineered course • Modifi • – humans access Damaging • - drinking regulation water Flow quality • Water • Reserve, golf – human, Navua access Damaging • quality water Poor • animal damage - pigs Pest shing agship species (World agship species agship ed fl ed ed fl ed community cant vegetation cant community based (Montanecance Peatbogs) for regional economy regional for Heritage Area) signifi Heritage Area Forest River Flat Coastal – camps recreation community group activity – bushcare, environment Project River Restoration • Popular swimming • Popular • is a major focus based tourism River • Identifi • Good riparian vegetation • or state of regional Wetlands • Good riparian vegetation • World part Upstream in of reach • fi recreational Popular • Signifi swimming • Popular • Reserve, – Navua High public access • Identifi • Signifi Reach ValuesReach Threats Reach recommendations Reach management Conservation Assisted Regeneration Assisted Assisted Regeneration Riparian Land Management Category ned reach reach ned to confi that starts where the track down Cabbage from lookout Tree at meets the river Wold. Grose lookout to Tree . Headwater from from Headwater Western Great on Highway outskirtseasterly of Blackheath near township, Lookout Evans National to Rd. boundary Park creek where the Grand enters just Canyon, Lake below Greaves. Description Grose R1Grose Most of the river R2Grose Cabbage From Greaves Creek Creek Greaves R1 Reach Name Reach Reach Management Recommendations – Grose River Subcatchment River – Grose Recommendations Reach Management

32 32 HAWKESBURY NEPEAN CATCHMENT MANAGEMENT AUTHORITY HAWKESBURY NEPEAN RIVER HEALTH STRATEGY Reach Management Recommendations – Grose River Subcatchment Reach Name Reach Riparian Land Reach Values Reach Threats Reach management recommendations Description Management (Planning, Education, Works, Monitoring, Institutional) Category

Wentworth R1 Only a small Conservation • Good riparian vegetation • Stormwater – nutrient and sediment input • Urban water quality and sediment management (P,I) section of the • World Heritage Area • Develop conservation management agreements to headwater is • Good river condition protect remnant riparian vegetation (P) outside National • High geomorphic recovery potential Park, remainder • Identifi ed fl agship species (World of creek in NP. Heritage Area) Headwater from the reserve adjacent to Leura Primary school.

Govetts R1 Headwater to Conservation • Good riparian vegetation • Modifi ed / engineered channel (small rock lined • Aquatic habitat condition and connectivity improvement Hensons Glen. • Wetlands of regional or state sections to address local stormwater erosion) (I,W) Headwater in signifi cance (hanging swamps) • Damaging human access • Manage human impacts at public recreation access Leura township • World Heritage Area • Water quality points and along foreshores (E,W) • Good river condition • Urbanisation and sedimentation impacts • Riparian wetland management (P,W) • High geomorphic recovery potential • Urban water quality and sediment management (P,I) • Maintain existing community based environment activity • Popular swimming (E,P) • River based tourism is a major focus for regional economy • Develop conservation management agreements to • Signifi cant community based protect remnant riparian vegetation (P) environment activity • Identifi ed fl agship species (World Heritage Area, Blue Mountains Water Skink)

Govetts Leap Headwater from Conservation • Good riparian vegetation • Modifi ed / engineered channel (number of small • Aquatic habitat condition and connectivity improvement BR1 Great Western • Good river condition dams in headwaters associated with golf course) (I,W) Highway in • Wetlands of regional or state • Water quality • Riparian wetland management (P,W) Blackheath signifi cance (hanging swamps) • Urbanisation and sedimentation impacts • Urban water quality and sediment management (P,I) township to • Maintain existing community based environment activity National Park • Popular swimming (E,P) boundary at • River based tourism is a major focus • Develop conservation management agreements to Govetts Leap. for regional economy protect remnant riparian vegetation (P) • Signifi cant community based environment activity • Identifi ed fl agship species (World Heritage Area)

33 Appendix 4.2 Subcatchment summaries Grose River points and along foreshores (E,W)points and along foreshores quality (M) (E) restoration quality (M) (E,W)points and along foreshores (P) riparian vegetation remnant protect protect remnant riparian vegetation (P) riparian vegetation remnant protect • management (P,W) Riparian wetland • access river Manage human impacts at public recreation • water values – recreational of recreational Maintenance • quality / nutrient management (I,W) Water • environmental Increase community capacity for • quality Urban water and sediment management (P,I) • management (P,W) Riparian wetland • water values – recreational of recreational Maintenance • access Manage human impacts at public recreation • conservation to Develop management agreements (Planning, Education, Works, Monitoring, Institutional) Monitoring, Works, Education, (Planning, outside National Park. of reach Part • conservation to Develop management agreements channel (localised ed / engineered channel (minor ed / engineered armouring associated with stormwater outlets) with stormwater armouring associated works) stormwater • Modifi • Modifi • – human access Damaging • – drinking regulation dams water Flow quality • Water • (human) access Damaging quality • Water • Urbanisation agship species agship agship species (World ed fl ed fl ed (Montanecance Peatlands) swamps) (hanging cance for regional economy regional for economy regional for Heritage Area) signifi signifi • Popular swimming • Popular • is a major focus based tourism River • Identifi • drinking water Town • Heritage Area World • condition Good river swimming • Popular • High potential geomorphic recovery • is a major focus based tourism River • Identifi • Good riparian vegetation • or state of Regional Wetlands • or state of regional Wetlands Reach ValuesReach Threats Reach recommendations Reach management (Near Intact outside reserve) Conservation • Good riparian vegetation Conservation Assisted Assisted Regeneration Riparian Land Management Category uence. uence uence uence with uence Headwater Headwater Katoomba from on township northern side of Western Great to Highway confl Creek. Cascade Cascade From junction to Creek with Govetts Creek Great Western Western Great west Highway of Katoomba confl to with Katoomba confl Creek Includes Cascade Dams. creek Description Katoomba Ck R1 Katoomba Ck R2 Cascade Ck R1Cascade from Headwater Ck R2 R2, Greaves Wentworth R2, Creek R2, Govetts Brook Near Intact Leap within Reserved reaches Lands: Govetts Reach Name Reach Reach Management Recommendations – Grose River Subcatchments River – Grose Recommendations Reach Management

34 34 HAWKESBURY NEPEAN CATCHMENT MANAGEMENT AUTHORITY