SLIDE 1
NEWFOUND LAKE WATERSHED
Newfound Lake Region Association Protecting the Watershed Lakes - - PowerPoint PPT Presentation
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
SLIDE 2
SLIDE 3
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!
SLIDE 4
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
SLIDE 5
BAD!
SLIDE 6
BAD!
SLIDE 7
BAD!
SLIDE 8
GOOD!
SLIDE 9
GOOD!
SLIDE 10
GOOD!
SLIDE 11
- 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
SOLUTI ONS
SLIDE 12
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
SLIDE 13
25’ 25’ 75’ 125’ 150’
>25% Slopes
(1’ Rise in 4’ Run)
+100’ Limited Use Zone Wetlands 100‐year Floodplain 150’ No Disturbance Zone
Stream
Distance Varies Varies
All Watercourses
1st & 2nd Order Streams 3rd & 4th Order Streams 5th Order & Above
Stream Order‐based Setbacks Core Buffer Zone
(Both Sides of Stream)
Tiered Riparian Buffer Concept
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/
SLIDE 14
25’ 25’ 75’ 125’ 150’
>25% Slopes
(1’ Rise in 4’ Run)
+100’ Limited Use Zone Wetlands 100‐year Floodplain 150’ No Disturbance Zone
Stream
Distance Varies Varies
All Watercourses
1st & 2nd Order Streams 3rd & 4th Order Streams 5th Order & Above
Stream Order‐based Setbacks Core Buffer Zone
(Both Sides of Stream)
Tiered Riparian Buffers Tiered Riparian Buffers
SLIDE 15
25’ 25’ 75’ 125’ 150’
>25% Slopes
(1’ Rise in 4’ Run)
+100’ Limited Use Zone Wetlands 100‐year Floodplain 150’ No Disturbance Zone
Stream
Distance Varies Varies
All Watercourses
1st & 2nd Order Streams 3rd & 4th Order Streams 5th Order & Above
Stream Order‐based Setbacks Core Buffer Zone
(Both Sides of Stream)
Wetlands Wetlands
Photo Credits: Doug Bechtel & Ben Kimball
SLIDE 16
25’ 25’ 75’ 125’ 150’
>25% Slopes
(1’ Rise in 4’ Run)
+100’ Limited Use Zone Wetlands 100‐year Floodplain 150’ No Disturbance Zone
Stream
Distance Varies Varies
All Watercourses
1st & 2nd Order Streams 3rd & 4th Order Streams 5th Order & Above
Stream Order‐based Setbacks Core Buffer Zone
(Both Sides of Stream)
Photo Credits: Dan Sperduto & Mike Marchand
100 100-
- Year Floodplains
Year Floodplains
SLIDE 17
25’ 25’ 75’ 125’ 150’
>25% Slopes
(1’ Rise in 4’ Run)
+100’ Limited Use Zone Wetlands 100‐year Floodplain 150’ No Disturbance Zone
Stream
Distance Varies Varies
All Watercourses
1st & 2nd Order Streams 3rd & 4th Order Streams 5th Order & Above
Stream Order‐based Setbacks Core Buffer Zone
(Both Sides of Stream)
Floodplains & Wetlands Floodplains & Wetlands Vernal Pools Vernal Pools
Photo Credits: Mike Marchand
SLIDE 18
25’ 25’ 75’ 125’ 150’
>25% Slopes
(1’ Rise in 4’ Run)
+100’ Limited Use Zone Wetlands 100‐year Floodplain 150’ No Disturbance Zone
Stream
Distance Varies Varies
All Watercourses
1st & 2nd Order Streams 3rd & 4th Order Streams 5th Order & Above
Stream Order‐based Setbacks Core Buffer Zone
(Both Sides of Stream)
Steep Slopes Steep Slopes
SLIDE 19
Cockermouth River
Composite Buffer Zone Composite Buffer Zone
SLIDE 20
RIPARIAN BUFFERS – BEST LOCAL CONTROL FOR CLEAN WATER!
SLIDE 21
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!
SLIDE 22
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 603 603-
- 744
744-
- 8689
8689 NLRA.Boyd@metrocast.net NLRA.Boyd@metrocast.net www.NewfoundLake.org www.NewfoundLake.org