Montana
MDT Hydraulics Manual Chapter 9
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Heuristic agency extract from prepared text. MDT Hydraulics Manual Chapter 9 — Hydrology Pipeline excerpt repair removed 1 unlocated citation(s).
Fields not found in document: design_criteria.water_quality_volume_method, design_criteria.approved_bmp_categories, document_metadata.jurisdiction_name
Document Metadata
Jurisdiction level
State
No evidence cited
State
Montana
No evidence cited
Version / edition
Not found in document
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Adoption / effective date
Not found in document
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Last revised date
Not found in document
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Relationship to state manual
independent
No evidence cited
Design Criteria
Design storm return periods (years)
2-year, 5-year, 10-year, 25-year, 50-year, 100-year, 500-year
“ff. 2. Base Flood. Another term for the 100-year event. 3. Depression/Retention Storage. The natural depression within a watersh”
Water quality volume method
Not found in document
No evidence cited
Peak flow calculation method(s)
Rational Method, NRCS / SCS Curve Number (TR-55), TR-20, HEC-HMS, USGS regression equations
“ydrologic method for the site (e.g. the rational method is intended for small urban basins). Hydrology 9-5 Hydraulics Manual Jul”
Hydrologic/hydraulic software
HEC-HMS, EPA SWMM
No evidence cited
Approved BMP categories
Not found in document
No evidence cited