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to the New Hampshire Rivers Management and Protection Program Facts - - PowerPoint PPT Presentation
to the New Hampshire Rivers Management and Protection Program Facts - - PowerPoint PPT Presentation
to the New Hampshire Rivers Management and Protection Program Facts about the Lamprey Watershed 214 square miles Drops 600 feet in elevation Largest tributary to Great Bay 14 towns share the water resources, 3 RPCs, 2 counties River
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River Classifications
River Segment Miles Classification Lamprey 1 13.5 Rural Lamprey 2 3 Rural‐Community Lamprey 3 2 Community Lamprey 4 5.1 Rural‐Community Lamprey 5 4 Community Lamprey 6 7.3 Rural Lamprey 7 2.6 Community North Branch 1 8.2 Natural Pawtuckaway 1 3.6 Rural North 1 15.1 Rural Little 1 7.8 Rural Piscassic 1 9.4 Natural Piscassic 2 3.3 Rural‐Community Piscassic 3 2.9 Community Total 87.8
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Lamprey River in Deerfield
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Lamprey River in West Epping
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Macallen Dam at Newmarket
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North Branch River in Candia
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Pawtuckaway River in Raymond
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North River in Nottingham
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Little River in Lee
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Piscassic River Greenway
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Fish and Wildlife Habitat
Highest quality habitat in NH and region and is home to a variety of threatened and endangered species
Lamprey River system is considered a “river of distinction” for it’s potential for anadromous fish
The Lamprey is one of only two coastal rivers experiencing an INCREASE in river herring returns – alewives and blue herring
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Historical and Cultural Richness
Native American history dates back 8,000 years
Colonial settlements
Agricultural diversity – forestry, orchards, crops, sugar
Mill complexes
Many buildings and sites on the National register of historic places
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Pressures on the watershed
Watershed population increase ‐ 20% by 2020
The amount of impervious surfaces has increased by 56% from 1990 to 2000 and continues to increase.
Some towns are 6.6% to 8% impervious – over 10% serious WQ problems become all but impossible to reverse.
WQ problems within the river are low dissolved
- xygen, low pH and too much chloride. WQ
problems in Great Bay – too much nitrogen
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Flooding
The five highest recorded flows have
- ccurred in the past
five years – 2006, 2007 and 2010
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Community Outreach
600 pieces of first‐class mail to riverfront landowners
Press releases, cable access channels notices, newsletters, on‐line local paper coverage
48 attendees at public hearings
Letters of support from 12 Conservation Commissions, 6 planning boards, 2 select boards, 72 individuals and 32 legislators
1 letter expressing concern over the Little River becoming subject to CSPA rules
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