City of Grand Prairie
iSWM Criteria Manual for Site Development and Construction
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NCTCOG iSWM regional criteria — confirm city adoption / local amendments. Pipeline excerpt repair removed 1 unlocated citation(s).
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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 El Paso, City of Fort Worth, City of Frisco, City of Garland, 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
No evidence cited
State
Texas
No evidence cited
Version / edition
Revised January 2015
No evidence cited
Adoption / effective date
2015-01
No evidence cited
Last revised date
2015-01
No evidence cited
Relationship to state manual
adopts state manual directly
No evidence cited
Design Criteria
Design storm return periods (years)
1-year, 25-year, 100-year
No evidence cited
Water quality volume method
Water Quality Protection Volume (WQv) based on 1.5 inches of rainfall (85th percentile storm). Streambank Protection: control 1-year, 24-hour storm; Conveyance: 25-year; Flood Mitigation: 100-year.
No evidence cited
Peak flow calculation method(s)
Rational Method, SCS Unit Hydrograph Method, Streambank Protection Volume (SPV), 25-year conveyance / 100-year flood mitigation
No evidence cited
Hydrologic/hydraulic software
Not found in document
No evidence cited
Approved BMP categories
Bioretention, Enhanced swales, Detention, Sand filters / filter boxes, Infiltration wells and trenches
No evidence cited