Stormwater Atlas

City of Montpelier

Vermont Stormwater Management Manual Volume I (capital MS4)

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Compare each cited field to the official PDF before relying on it. What this means

Municipality coverage via Vermont Stormwater Management Manual draft/state standards.

Other manuals in Vermont: City of Burlington, Vermont

Document Metadata

Jurisdiction level
City

No evidence cited

State
Vermont

No evidence cited

Version / edition
DRAFT March 1, 2016

No evidence cited

Adoption / effective date
Not found in document

No evidence cited

Last revised date
2016-03-01

No evidence cited

Relationship to state manual
adopts state manual directly

No evidence cited

Design Criteria

Design storm return periods (years)
1-year, 10-year, 100-year

No evidence cited

Water quality volume method
WQv = (P)(Rv)(A) / 12, where P = 1.0 inch, Rv = 0.05 + 0.009(I), I = percent impervious, A = site area in acres.

WQv = (P)(Rv)(A) / 12, where P = 1.0 inch

VSMM Vol I

Peak flow calculation method(s)
NRCS Runoff methods, Watershed Lag Method, TR-55, TR-20

No evidence cited

Hydrologic/hydraulic software
TR-55, TR-20, HECRAS

No evidence cited

Approved BMP categories
Pre-Treatment Practices, Non-Structural Practices, Structural Stormwater Treatment Practices, Alternative Stormwater Treatment Practices

No evidence cited