Newfound Lake Region Association Protecting the Watershed Lakes - PowerPoint PPT Presentation

Newfound Lake Region Association Protecting the Watershed Lakes Management Advisory Council July 25, 2013

NEWFOUND LAKE WATERSHED

Watershed Factoids Watershed Factoids • Nine Towns Touched by Watershed • Nine Towns Touched by Watershed 5 Towns, 95+ % of Land and People – 5 Towns, 95+ % of Land and People – • ~ 60,000 Mostly Forested Acres • ~ 60,000 Mostly Forested Acres • Newfound Lake = NHDES Class A • Newfound Lake = NHDES Class A • “ • “Flashy Flashy” ”: 1 : 1” ” rain ~ 1 rain ~ 1‘ ‘ lake rise lake rise • High • High- -Quality Habitat (W.A.P.) Quality Habitat (W.A.P.) • 14% Conserved, ~ 60% Developable • 14% Conserved, ~ 60% Developable • ~ 5,000 residents, triples in Summer • ~ 5,000 residents, triples in Summer Lots of Stakeholders! Lots of Stakeholders!

THREATS THREATS • Stormwater • Stormwater Pollution (Residential, Pollution (Residential, Commercial, Forestry, Roads) Commercial, Forestry, Roads) • Incremental Degradation • Incremental Degradation • Lack of planning and enforcement • Lack of planning and enforcement

BAD!

BAD!

BAD!

GOOD!

GOOD!

GOOD!

SOLUTI ONS • Practical, Effective, Feasible and Fair • Coordinate Planning, Zoning, Enforcement • System Solutions for Sustainability • Match Solution to Threat Level • Aesthetics (Viewshed, Dark Sky) • Steep Slopes • Erodible Soils • Proximity to Surface Water TOP-DOWN / BOTTOM-UP CAPACITY

RI PARI AN BUFFERS ~ TI ERED RI PARI AN BUFFERS ~ TI ERED BUFFER CONCEPT BUFFER CONCEPT • Natural buffers filter • Natural buffers filter stormwater stormwater & remove & remove sediments sediments • Slow travel time of • Slow travel time of stormwater stormwater to streams to streams • Keep water temperatures cool • Keep water temperatures cool • Provide woody debris as habitat in streams • Provide woody debris as habitat in streams • Offer high • Offer high- -quality travel corridors for wildlife quality travel corridors for wildlife PROTECT MOST SENSI TI VE AREAS PROTECT MOST SENSI TI VE AREAS

Tiered Riparian Buffer Concept Core Buffer Zone (Both Sides of Stream) 150’ +100’ Distance Varies No Limited Use Zone 100 ‐ year Varies Disturbance Floodplain Zone Wetlands Stream >25% Slopes (1’ Rise in 4’ Run) 25’ 25’ 75’ 125’ 150’ All Watercourses 1 st & 2 nd Order 3rd & 4th Order 5th Order Streams Streams & Above Stream Order ‐ based Setbacks Adapted from the Architecture of Urban Stream Buffers , Article 39, Watershed Protection Techniques. 1 (4): 155 – 163. Published by the Center for Watershed Protection http://www.cwp.org/

Tiered Riparian Buffers Tiered Riparian Buffers Core Buffer Zone (Both Sides of Stream) 150’ +100’ Distance Varies No Limited Use Zone 100 ‐ year Varies Disturbance Floodplain Zone Wetlands Stream >25% Slopes (1’ Rise in 4’ Run) 25’ 25’ 75’ 125’ 150’ All Watercourses 1 st & 2 nd Order 3rd & 4th Order 5th Order Streams Streams & Above Stream Order ‐ based Setbacks

Wetlands Wetlands Core Buffer Zone (Both Sides of Stream) 150’ +100’ Distance Varies No Limited Use Zone 100 ‐ year Varies Disturbance Floodplain Zone Wetlands Stream >25% Slopes (1’ Rise in 4’ Run) 25’ 25’ 75’ 125’ 150’ All Watercourses 1 st & 2 nd Order 3rd & 4th Order 5th Order Streams Streams & Above Stream Order ‐ based Setbacks Photo Credits: Doug Bechtel & Ben Kimball

100- -Year Floodplains Year Floodplains 100 Core Buffer Zone (Both Sides of Stream) 150’ +100’ Distance Varies No Limited Use Zone 100 ‐ year Varies Disturbance Floodplain Zone Wetlands Stream >25% Slopes (1’ Rise in 4’ Run) 25’ 25’ 75’ 125’ 150’ All Watercourses 1 st & 2 nd Order 3rd & 4th Order 5th Order Streams Streams & Above Stream Order ‐ based Setbacks Photo Credits: Dan Sperduto & Mike Marchand

Vernal Pools Vernal Pools Floodplains & Wetlands Floodplains & Wetlands Core Buffer Zone (Both Sides of Stream) 150’ +100’ Distance Varies No Limited Use Zone 100 ‐ year Varies Disturbance Floodplain Zone Wetlands Stream >25% Slopes (1’ Rise in 4’ Run) 25’ 25’ 75’ 125’ 150’ All Watercourses 1 st & 2 nd Order 3rd & 4th Order 5th Order Streams Streams & Above Stream Order ‐ based Setbacks Photo Credits: Mike Marchand

Steep Slopes Steep Slopes Core Buffer Zone (Both Sides of Stream) 150’ +100’ Distance Varies No Limited Use Zone 100 ‐ year Varies Disturbance Floodplain Zone Wetlands Stream >25% Slopes (1’ Rise in 4’ Run) 25’ 25’ 75’ 125’ 150’ All Watercourses 1 st & 2 nd Order 3rd & 4th Order 5th Order Streams Streams & Above Stream Order ‐ based Setbacks

Composite Buffer Zone Composite Buffer Zone Cockermouth River

RIPARIAN BUFFERS – BEST LOCAL CONTROL FOR CLEAN WATER!

HOW CAN YOU HELP? HOW CAN YOU HELP? • Prevent • Prevent Stormwater Stormwater Runoff Runoff • Support Sustainable Zoning • Support Sustainable Zoning • Talk to Your Neighbors • Talk to Your Neighbors • Join the NLRA! • Join the NLRA!

THANK YOU! THANK YOU! Boyd Smith, Executive Director Boyd Smith, Executive Director Newfound Lake Region Association Newfound Lake Region Association 800 Lake St. 800 Lake St. Bristol, NH 03222 Bristol, NH 03222 603- -744 744- -8689 8689 603 NLRA.Boyd@metrocast.net NLRA.Boyd@metrocast.net www.NewfoundLake.org www.NewfoundLake.org