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<br /> utitn���ater mana�-emcni is �1cvv cd compre- REFERENCES CITED
<br /> that a rational procedure is being
<br /> 1. :Adams, \f'.A., Dove, L.F., and Leech. L.L. 198-+.
<br /> Itett'i�elti• Public Attitudes Toward Urban tr'eNauuds%ur
<br /> Used for the selection of measures. and that Stormwater. Control and Wildlife Enhancement.
<br /> t11e.1Sures add up to form landscape ele- Wildlife Soc. Bull. 12:299-503.
<br /> luents that are an enhancement for the com- 2• Ferguson. B.E. 1990. Urban Stornurater Injiltra-
<br /> Lion, Purposes. Implementation. Results. J. Soil
<br /> ntunt[y' and Water Cons. 45(6):605-609.
<br /> The flow diagram in Figure 7 shows the 3. Ferguson. B.E. 1991, Urban Stream Reclamation.
<br /> components of a stormwater management J.Soil and Water Cons. 46(5).
<br /> system that can be linked to forma --treat- 4• Galli,J. 1990. Thermal Impacts Associated with
<br /> Urbanization and Stormwater afanagement Best
<br /> Wren[ [rain," starting with attenuation (vol- Management Practices. Metropolitan Washing-
<br /> time reduction) a source prior to concentra- ton Council of Governments,Washington, D.C.
<br /> ' tion. conveyance, and pre-treatment. This 5• Maryland Department of Natural Resources.
<br /> leads fo'op"ttons such as runoff d 1986. Afinimum Water Quality Objectives andetention Planning Guidelines for Infiltration Practices.
<br /> (holding back and slowly releasing) or re- Sediment and Stormwater Division, Maryland
<br /> tention (holding back total flow) for infiltra- DNR.Annapolis.
<br /> tion. Finally there are considerations for sec- 6. National Water quality Inventory. 1988. 1988
<br /> Report to Congress.U.S Government Printing Of-
<br /> ondary impact mitigation (e.g. temperature fice.Washington, D.C.
<br /> control) and maintenance. 7. Schueler, T. 1987. Controlling Urban Runoff.
<br /> Figure 8 shows integration of these fea- Mrtropoikan Washington Counri! Governments,
<br /> trres into the landscape. In the example Washington, D.C.
<br /> 8. Schueler, T.,J. Galli. L. Herson, P. Kumble and
<br /> shown, a perennial stream and permanently D. Shepp. 1991. Developing Effective BAIP Sys-
<br /> flooded wetland is surrounded with a 23 m terns for Urban Watersheds. Metropolitan Wash-
<br /> (75 ft) riparian forest buffer. A riparian area, ington Council of Governments, Washington,
<br /> once barren of trees, has been reforested. 9 D.C.
<br /> . Tourbier, J.T., and A. Walmsley. 1990. Hitiga-
<br /> Stormwater conveyed through grassy swales tion Heasures for Adverse Environmental Im-
<br /> with check dams is pre-treated in a forebay, pacts-General Plan 1990-2010, Loudoun Coun-
<br /> tv, Virginia. Draft with Lane Kendig, Inc.,
<br /> permitting course sediment control. It is then Philadelphia,PA.
<br /> passed into a wet extended detention basin 10. Tourbier, J.T., and A. Walmsley. (In press).
<br /> that settles out fine suspended solids prior to Stormwater Management Plan and Stormwater
<br /> release into a constructed woody wetland Ordinance for London Grove Township,Pennsyl- J. Toby Tourbier of Tourbier
<br /> vania,PA.Tourbier Sr Walmsley,Inc. E Walmsley,Inc.,
<br /> with infiltration trenches. Another system 11. Tourbier,J.T., and R. Westmacort. 1992 Second
<br /> shown conveys piped stormwater into a Edition. Urban Lakes and Ponds. The Urban Philadelphia,Pennsylvania,
<br /> forebay, permitting the separation of small Land Institute,Washington,D.C. 19107-2405, is a planning
<br /> 12. U.S. Department of Agriculture. 1991. Riparian consultant,author, and co-
<br /> storms to be infiltrated in a blossoming Forest Buffers-Function and Design for Protec- author ofa range of
<br /> Stormwater meadow, while bigger storms tion and Enhancement of Water Resources. stormwater related
<br /> are detained and slowly released by level USDA Forest Service, Northeastern area, Radnor, documents.He is agiliated
<br /> spreaders for discharge dispersion in the ri- PA' with the Department of
<br /> 13. U.S. Environmental Protection Agency. 1982. Re- LandscapeArcbitectureand
<br /> parian forest buffer. suits of the,nationwide Urban Runoff Program. Regional Planning at the
<br /> All these elements combine to create a U.S. EPA, Government Printing Office,Washing-
<br /> ton,D.C. University of Pennsylvania,
<br /> scenic setting for people, wildlife, plant 14. U.S. Environmental Protection Agency. 1990. and has been an expert
<br /> communities, and water resources. This is an National Pollutant Discharge Elimination System witness and consultant to
<br /> example of how sustainable development Permit Application Regulations for Storm Water units ofgovernment and to
<br /> can achieve open space through Stormwater Discharges: Final Rule. U.S. EP 1, Washington, developers-
<br /> D.C.
<br /> management, while structuring growth, and 15. Wong, L.S., and R. McCuen. 1982. The design of
<br /> creating a function for designated open vegetative buffer strips for nunoff and sediment
<br /> space. control. In Stormwater.Vanagement in Coastal
<br /> Areas. Tidewater Administration, Maryland De-
<br /> partment of Natural Resources,Annapolis.
<br /> Conclusion 16. Year 2020 Panel of the Chesapeake Bay Execu-
<br /> tive Council. 1988. Population Growth and De-
<br /> Municipalities should prepare stormwater velopment in the Chesapeake Bay Watershed to
<br /> the Year 2020. Referred to in Conflicts of Urban
<br /> management plans and ordinances that treat Sprawl Impact Water Quality in Chesapeake
<br /> stormwater as a resource. This helps to meet Buy-Effects of Population Growtb and Develop-
<br /> state and federal guidelines, protects public meat on Water Quality. U.S. Water News. Octo-
<br /> health and safety, and can achieve open
<br /> ber, 1990,p.7.
<br /> space greenways. Stormwater management
<br /> should replenish groundwater supplies,
<br /> maintain the dry weather flow of urban
<br /> streams through infiltration and delayed dis-
<br /> charge, reduce stream warming, use vegeta-
<br /> tion to utilize water pollutants as fertilizer,
<br /> and reduce flooding. Management practices
<br /> can be designed to be tools for conviviality,
<br /> permitting cohabitation of people, plants,
<br /> and wildlife, adding to the quality of life.
<br /> JANUARY-FEBRUARY 1994 21
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