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Working Around Waterbodies
An overview of IDEM permitting for work in Waters of the State
October 14, 2011
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IDEM’s Programs
• 401 Water Quality Certification Program
• State Isolated Wetlands Program
NOTE: IDEM is only one of three agencies (others are the IDNR and the USACE) to potentially regulate a project proposing impacts to Water Resources
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Who Regulates What? Public Freshwater Lake:
IDNR, USACE & IDEM
Navigable Water: IDNR, USACE & IDEM
Non-wetland floodway: IDNR
Floodway wetland: IDNR, USACE &
IDEM
Adjacent wetland: USACE & IDEM
Stream with <1 sq. mile drainage area:
USACE & IDEM
Isolated wetland: IDEM
Tributary: IDNR, USACE & IDEM
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What Activities Does IDEM Regulate?
• IDEM regulates the placement of dredged or fill material into Waters of the U.S. and non-exempt Waters of the State
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What Constitutes Fill?
• Dirt, rock, sand, gravel, riprap, etc.
• Pipes and culvert structures (new and replacement structures)
• Dirt or rock placed into an old stream channel if the stream is relocated
• Mechanized land clearing in wetlands (bulldozing) involving removal of stumps
• Sidecasting of dredged material into wetlands
• Damming up streams/pump arounds
• Bank stabilization (streams and lakeshores)
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Typical Projects
• Typical regulated projects:
– Pipe or culvert placement/replacement in streams
– Streambank armoring (including riprap) for bank stabilization or storm water outfalls
– Stream relocations or stream piping
– Wetland fill
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Application Review Criteria
• IDEM evaluates all aspects of a proposed project to determine if there will be detrimental effects to water quality
• IDEM staff assess applicants’ efforts to: – Avoid impacts to water resources
– Minimize unavoidable impacts
– Provide mitigation
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Common Regulatory Myths
• Blue line vs. non-blue line streams
• Confusion over which agencies regulate streams
• Accuracy of the National Wetland Inventory Maps
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Recurring Problems with Stream Projects
• Unauthorized and improperly sized structures • Unsuitable materials for coffer dams, pump-arounds, etc. Improperly installed or no sediment or erosion controls • Using streams as a water pollution control device
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Avoid Permitting “Surprises”
• Avoid problems: – Avoid impacts to wetlands
and streams, if possible – Have a wetland delineation
completed for all sites
• Call for early coordination! – Applicants are encouraged to
contact IDEM staff to set up an early coordination site visit or field meeting
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IDEM Online
Applications • IDEM Application Forms - www.idem.IN.gov/4388.htm • Regulatory Service Portal - www.idem.IN.gov/5964.htm
Program Staff • Project Manager Map - www.idem.IN.gov/4395.htm
Volunteer Mitigation Map • IDEM Volunteer Mitigation Map Web Tool -
http://idemmaps.idem.IN.gov/apps/MitigationVolunteer
IDEM Wetlands Information • All About Wetlands - www.wetlands.IN.gov
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Arm Yourself with Info!
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Aaron McMahan Wetlands Project Manager IDEM - Office of Water Quality 100 N. Senate Avenue Indianapolis, IN 46204
Phone: (317) 234-6351 Email: [email protected]
www.idem.IN.gov/4870.htm www.idem.IN.gov/5849.htm
Questions?
www.wetlands.IN.gov