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Drainage Water Drainage Water Management Management with with Surface Drainage Systems Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

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Page 1: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

  Drainage Water Drainage Water

Management Management

with with

Surface Drainage Surface Drainage SystemsSystems

USDA is an Equal Opportunity Employer & Provider

Page 2: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Natural Resources Natural Resources Conservation Service Conservation Service

(NRCS)(NRCS)

Jerry D. Walker, P.E.Jerry D. Walker, P.E.

Agricultural Engineer (Water Management)Agricultural Engineer (Water Management)

Natural Resources Conservation ServiceNatural Resources Conservation Service

Central National Technology Support Center Central National Technology Support Center

Fort Worth, TXFort Worth, TX

USDA is an Equal Opportunity Employer & Provider

Page 3: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

DWM (554)- Surface SystemsDWM (554)- Surface Systems

Page 4: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Flooded FieldFlooded Field

Page 5: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Drop Structure for Field Drainage Drop Structure for Field Drainage

Page 6: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Drainage control structures providing water table Drainage control structures providing water table control must be capable of passing surface runoff control must be capable of passing surface runoff

from storm events. from storm events.

Page 7: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Terrace Design Tool Webinar, April 27, 2011

Page 8: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider
Page 9: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider
Page 10: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Water Table Management AlternativesWater Table Management AlternativesParallel Field Drains – with Pipe Parallel Field Drains – with Pipe

Page 11: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Field Layout of WTM System-PipeField Layout of WTM System-Pipe

Page 12: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Water Table Management AlternativesWater Table Management AlternativesParallel Field DitchesParallel Field Ditches

Page 13: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Field Layout of WTM System - Field Layout of WTM System - DitchesDitches

Page 14: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider
Page 15: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Controlled DrainageControlled Drainage

Flashboard Riser Flashboard Riser Water Control Water Control

StructureStructure

Courtesy: Soil and Water Courtesy: Soil and Water Management NCSU, BAE DEPTManagement NCSU, BAE DEPT

Page 16: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Mechanisms by which Controlled Mechanisms by which Controlled Drainage enhances water qualityDrainage enhances water qualityYield increaseYield increase

5 bu/ac corn equals 3.5 pounds 5 bu/ac corn equals 3.5 pounds additional N uptakeadditional N uptake

Reduced outflow volumeReduced outflow volume

Courtesy: Soil and Courtesy: Soil and Water Management Water Management NCSU, BAE DEPTNCSU, BAE DEPT

Page 17: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Mechanisms by which Controlled Mechanisms by which Controlled Drainage enhances water qualityDrainage enhances water quality

Yield increaseReduced outflow volumeNeed rain to achieve expected outcome

Courtesy: Soil and Water Courtesy: Soil and Water Management NCSU, BAE Management NCSU, BAE DEPTDEPT

Page 18: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Other conservation practices with Other conservation practices with potential water quality impactspotential water quality impacts

Constructed wetland (657)Constructed wetland (657)Pond (378)Pond (378)Diversion (362)Diversion (362)Structure for water control (587)Structure for water control (587)Underground outlet (620)Underground outlet (620)Water and sediment control Water and sediment control

basin (638)basin (638)

Page 19: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider
Page 20: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider
Page 21: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Drainage ReferencesDrainage ReferencesNRCSNRCS

NEH, Section 16, Drainage of NEH, Section 16, Drainage of Agricultural LandAgricultural Land

NEH, Part 624, Chap. 10, Water NEH, Part 624, Chap. 10, Water Table ControlTable Control

EFH, Chap. 14, Water Management EFH, Chap. 14, Water Management (Drainage), (Drainage), (Subchapter E – Water (Subchapter E – Water Table Management)Table Management)

EFH, Chap.19, Hydrology Tools for EFH, Chap.19, Hydrology Tools for Wetland DeterminationWetland Determination

Page 22: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Drainage References (cont)Drainage References (cont)University University

Soil and Water Management Soil and Water Management Group – NCSU BAE Dept: Group – NCSU BAE Dept: http://www.bae.ncsu.edu/soil_whttp://www.bae.ncsu.edu/soil_water/drainmod/index.htmlater/drainmod/index.html

Iowa, Illinois, Minnesota, and Iowa, Illinois, Minnesota, and Ohio Extension ProgramsOhio Extension Programs

ASABE - numerous technical ASABE - numerous technical papers on DWMpapers on DWM

Pipe Manufacturer LiteraturePipe Manufacturer Literature

Page 23: Drainage Water Management with Surface Drainage Systems USDA is an Equal Opportunity Employer & Provider

Next Presentation

Hamid FarahaniWrap-Up


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