Rock Island District > Missions > Regulatory > Stream Mitigation > Iowa Stream Mitigation Method Guidance and Links

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US Army Corps of Engineers

Rock Island District Website

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Regulatory Links

Iowa Stream Mitigation Method Guidance and Links

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Introduction

Stream/Wetland Mitigation Plan Requirements (PRM)
Section 404 Guidance, EPA
Regulatory Guidance Letter 05-05
Regulatory Guidance Letter 08-03
Corps Regulatory Homepage
Iowa Noxious Weeds List
Excluded Species Plant List

Adverse Impact Factors

Strahler Stream Order
NRGIS Library
Outstanding waters
Protected waters
RIBITS
USFWS Ecos
IA DNR Threatened & Endangered Species
Iowa Wildlife Action Plan
303 (d) & 305 (b) Waters
IA DNR SOP for Biological Sampling and Habitat Assessment
IA DNR BioNet Database
IA DNR ADBNet
USGS DataGateway (HUC Layers)
Eco Regionally-Adjusted Fish Habitat Index (EFHI)

In-Stream Mitigation Credit Factors

Non-Exclusive Professional Consultant List
Natural Channel Design Checklist
Solving Dam Problems
NRCS Conservation Practices

Riparian Buffer Work

Plants for Riparian Buffers

Fish Passage

IA DNR Dam Mitigation Manual
Reconnecting Rivers
Fish Passage Multiplier Worksheet

Calculator and Additional Information

Mitigation Calculator
ISMM Worksheets