Stormwater Atlas

City of Omaha

Post-Construction Stormwater Management Planning (PCSMP) / ORSDM Ch.8 BMPs

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Extracted from PCWP PCSMP planning guide citing ORSDM Ch.8. Prefer full ORSDM chapters when durable public PDFs are available.

Fields not found in document: design_criteria.design_storm_return_periods_years

Document Metadata

Jurisdiction level
City

No evidence cited

State
Nebraska

No evidence cited

Version / edition
March 2009 (PCSMP guidance); ORSDM April 2006+

No evidence cited

Adoption / effective date
2008-07-01

No evidence cited

Last revised date
Not found in document

No evidence cited

Relationship to state manual
independent

No evidence cited

Design Criteria

Design storm return periods (years)
Not found in document

No evidence cited

Water quality volume method
Omaha Municipal Code Ch.32/53 PCSMP: low-impact development BMPs providing water quality control of the first one-half inch (0.5") of runoff from the site (required for plats on/after July 1, 2008; maximize 0.5" control where reasonably practical for older plats / ≥1-acre disturbance). ORSDM Chapter 8 provides BMP design criteria, pretreatment, and feasibility. Full ORSDM is chaptered and often 403-blocked on city servers.

provide water quality control of the first one-half inch of runoff from the site

Table 1 / §1.2 Applicability

Peak flow calculation method(s)
ORSDM hydrology / detention criteria (Chapters 2+), PCSMP BMP sizing calculations

No evidence cited

Hydrologic/hydraulic software
Not found in document

No evidence cited

Approved BMP categories
Low impact development BMPs, ORSDM Chapter 8 stormwater quality BMPs, Bioretention / permeable pavement / other ORSDM practices

No evidence cited