City of El Paso

Stormwater Design Manual

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

El Paso SWDM 2022; Atlas 14 + Rational/HEC-HMS. Confirm exact street vs major conveyance return periods from tables. Pipeline excerpt repair removed 4 unlocated citation(s).

Fields not found in document: document_metadata.adoption_or_effective_date, document_metadata.state_code, document_metadata.version_or_edition, document_metadata.last_revised_date, design_criteria.required_hydrologic_hydraulic_software

Other manuals in Texas: City of Amarillo, City of Arlington, City of Austin, City of Beaumont / Jefferson County Drainage District No. 6, City of Brownsville, City of College Station, City of Corpus Christi, City of Denton, City of Fort Worth, City of Frisco, City of Garland, City of Grand Prairie, City of Houston, City of Killeen, City of Laredo, City of Lubbock, City of McAllen, City of McKinney, City of Mesquite, City of Pasadena, City of Pearland, City of Plano, City of Round Rock, City of San Antonio, City of Waco, Dallas / North Central Texas (iSWM), Harris County, Tarrant County, Texas, Texas Commission on Environmental Quality

Document Metadata

Jurisdiction level

City

“City of El Paso”
Title

State

Not found in document

No evidence cited

Version / edition

Not found in document

No evidence cited

Adoption / effective date

Not found in document

No evidence cited

Last revised date

Not found in document

No evidence cited

Relationship to state manual

independent

“Stormwater Design Manual”
Title

Design Criteria

Design storm return periods (years)

50-year, 100-year

“(on roadways of four lanes or more) 100-year Within curb height (maximum curb h=1½” below top of curb and 50 cfs max) Streets (Local Streets) 50-year One lane high and dry 100-year Within curb height (maximum curb h= 1½” below top of curb and 50 cfs max) Storm Drain System 10”
p. 12

Water quality volume method

Bioretention and other water quality BMPs addressed in Section 14; Atlas 14 rainfall used for hydrologic design.

“bioretention”
Section 14

Peak flow calculation method(s)

Rational Method, HEC-HMS for larger watersheds, Streets / storm drains / channels / culverts commonly designed for 100-year (also 50-year street criteria)

“Rational Method / HEC-HMS”
Hydrology

Hydrologic/hydraulic software

Not found in document

No evidence cited

Approved BMP categories

Bioretention, Detention, Storm drains, Channels, Culverts

“Bioretention”
Section 14