Environmental
Guidelines
Guidelines for Environmental Management
of Development in Montgomery County
January 2000 |
 |
Table
of Contents
|
| Details
of Publication |
| Purpose |
| Introduction |
Guidelines
for Development
Stream Valley Protection
Wetland and Floodplain Protection
Forest and Tree Conservation"Unsafe and Unsuitable
Land Protection
Danger Reach/Dam Break
Threatened and Endangered Species and Species in Need
of Conservation
Site Imperviousness Considerations |
|
Natural
Resources Inventory
Streams and Floodplains
Stream Buffers
Topography
Wetlands
Forest and Trees
Unsafe and Unsuitable Land
Danger Reach/Dam Break
Threatened and Endangered Species and Species in Need
of Conservation
|
Special
Protection Areas
Goals and Objectives for Special Protection Areas
Special Protection Area Wetland Buffers
Expanded and Accelerated Forest Conservation Opportunities
Imperviousness Limitations |
Implementation
Development Agreements
Conservation Easements
Waivers to Base Zone Standards and Specifications
Exceptions to the Guidelines |
The
Patuxent River Watershed Primary Management Area (PMA)
Background and Purpose
Introduction: The Patuxent River
The Patuxent River Policy Plan
The Montgomery County Primary Management Area (PMA)
Septic Field Requirements Within the PMA |
| Glossary
of Terms |
Appendices
A. State Designated Water Uses - List of Map for Montgomery
County Streams
B. Stream Order Determination
C. Erodible Soils List
D. State Patuxent River Policy Plan Recommendations |
| References |
List
of Tables
1. Recommended Minimum Stream Buffer Widths
2. Recommended Buffers for Wetlands, Springs, and Seeps
Outside SPAs
3. Recommended Buffers for Wetlands, Springs, and Seeps
in Special Protection Areas
4. Criteria for Determining Primary Management Area Applicability
5. Recommended Environmentally Sensitive Land Features
to be Included in the Stream Buffer Area
6. Possible Best Management Practices (BMPs) |
List
of Figures
1. Natural Resources Inventory
2. Stream Buffer Determination for a Use I Stream Using
Steep Slopes
3. Hypothetical Subdivision with Stream Buffer for a Use
I Stream
4. Illustration of Stream Buffers in a Use III Watershed
with Wetlands
5. Illustration of Stream Buffers in a Use IV Watershed
with Wetlands
6. Sample Calculations of Impervious Areas
7. Special Protection Areas
8. Illustration of the Patuxent River Primary Management
Area
9. Upper Patuxent River Basin and Hawlings River Subbasin
10. Illustration of the Patuxent River Primary Management
Area
11. State Water Use Designations for Montgomery County
12. Stream Order Determination |
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