Not Always an Amenity: Green Stormwater Infrastructure Provides Highly Variable Ecosystem Services in Both Regulatory and Voluntary Contexts

Joanna P. Solins (), Mary L. Cadenasso, Logan E. G. Brissette and Steward T. A. Pickett
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Joanna P. Solins: Department of Plant Sciences, University of California, Davis, 1 Shields Ave., Davis, CA 95616, USA
Mary L. Cadenasso: Department of Plant Sciences, University of California, Davis, 1 Shields Ave., Davis, CA 95616, USA
Logan E. G. Brissette: Department of Plant Sciences, University of California, Davis, 1 Shields Ave., Davis, CA 95616, USA
Steward T. A. Pickett: Cary Institute of Ecosystem Studies, Box AB, Millbrook, NY 12545, USA

Sustainability, 2025, vol. 17, issue 6, 1-15

Abstract: Green stormwater infrastructure (GSI) is advocated for its potential to provide multiple ecosystem services, including stormwater runoff mitigation, wildlife habitat, and aesthetic value. However, the provision of these ecosystem services depends on both facility design and maintenance, which may vary based on whether GSI was installed to fulfill regulatory construction permit requirements or implemented voluntarily as part of urban greening initiatives. We evaluated 76 GSI facilities distributed across Baltimore, MD, USA, comprising 48 voluntary and 28 regulatory facilities. Each facility was scored on indicators related to the provision of stormwater, habitat, and aesthetic ecosystem services. Ecosystem service scores were highly variable, reflecting a wide range of quality and condition, but we found no significant differences between scores for regulatory and voluntary GSI. However, voluntary GSI scores tended to be higher in areas with greater socioeconomic status, while regulatory facilities showed an inverse relationship. Our findings indicate that GSI facilities can degrade quickly, and that official maintenance requirements for regulatory facilities do not guarantee upkeep. Regulatory requirements did have better outcomes in areas with lower socioeconomic status, though. Degraded GSI facilities may do more harm than good, becoming both unsightly and ineffective at providing intended stormwater or habitat benefits.

Keywords: green infrastructure; stormwater; maintenance; equity; urban ecosystem services; Baltimore; disamenity (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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