Blenheim Stormwater Strategy - Action Plan # Action Priority Timeframe Indicator 3c Undertake monitoring to demonstrate theresult of investment in stormwater Medium Short management infrastructure and management techniques. 3d Continue research to better understand themonitoring of the environment. High Ongoing 3f Undertake monitoring to assess theeffectiveness of management methods. High Medium 3g Review Implementation Programme annually(need some questions answered, including High Short who does the review, should initially be driven by assets, submitted to regulatory to satisfy consent conditions occurs annually and must be tangible. 4g Integrate capacity upgrades with urban growthstrategy for Blenheim. High Medium 6e Any development relating to existing and futurewaterways (including channels/drains) shall High Ongoing incorporate as appropriate multiple functions (recreation, access for maintenance, habitat, visual amenity, connectivity). 7i Wherever a stormwater quantity storagedevice is being constructed, consider High Ongoing opportunities to achieve quality improvement (and any other objectives). 8a Review results of water quality monitoring anddistinguish rural and urban contaminants and High Short effects for receiving environments upstream of urban Blenheim to determine level of change occurring as a result of non-point source rural discharges. 8b If rural contributions to water quality areconsidered significant, develop a specific High Medium action plan for addressing these water quality challenges, including (a) Create and protecting riparian buffers between stormwater sources and watercourses; (b) e-eauate whether stormwater treatment options being pursued in urban Blenheim are not providing best value for money; (c) Retrofit stormwater treatment devices in existing drainage systems should problems be identified. This should include options for employing the use of wetlands (including constructed wetlands) and other Beca // 28 May 2009 4260171 // NZ1-1630756-12 0.12 Page 119