City of Syracuse

New York State Stormwater Management Design Manual (adopted; applies in Syracuse)

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

Municipality coverage via NYS Stormwater Management Design Manual (same pattern as Rochester/Yonkers). City also has Ordinance #53.

Other manuals in New York: City of Albany, City of Buffalo / Buffalo Sewer Authority, City of Rochester, City of Yonkers, New York, New York City, New York State, New York State

Document Metadata

Jurisdiction level

City

No evidence cited

State

New York

No evidence cited

Version / edition

July 31, 2024

No evidence cited

Adoption / effective date

2024-07-31

No evidence cited

Last revised date

2024-07-31

No evidence cited

Relationship to state manual

adopts state manual directly

“urban stormwater runoff 2. To provide design standards on the most effective stormwater management approaches including: o Incorporation of runoff reduction achieved by infiltration, groundwater recharge, reuse, recycle, evaporation/evapotranspiration through the use of runoff”
p. 11

Design Criteria

Design storm return periods (years)

1-year, 2-year, 10-year, 100-year

No evidence cited

Water quality volume method

90% Rule: WQv (acre-feet) = (P * Rv * A) / 12, where Rv = 0.05 + 0.009(I)

“Water Quality Volume (WQv) 90% Rule: WQv (acre-feet) = (P ∙ Rv ∙ A) / 12 Rv = 0.05+0.009(I) I = Impervious Cover (Percent) P(inches) = 90% Rainfall Event Number (See Figure 4.1) 2 A = Contributing Area (acres) Runoff Reduction Volume (RRv) RRv (acre-feet) = Reduction of”
p. 43

Peak flow calculation method(s)

TR-55, TR-20

No evidence cited

Hydrologic/hydraulic software

USDA NRCS TR20, HydroCAD, Pond Pack, StormCAD, Hydraflow, HEC-HMS

No evidence cited

Approved BMP categories

Stormwater Ponds, Stormwater Wetlands, Infiltration Practices, Filtering Practices, Open Channel Practices

No evidence cited