April Meeting Annoucement

DATE:    Wednesday, April 26th, 2017
PLACE:  Hawthorne Lucky Lab Brew Pub, 915 SE Hawthorne Blvd
TIME:     11:30 a.m. Networking, 12:00 – 1:00 p.m.
TOPIC: Western Oregon LID Guidance Template
SPEAKER: Maria Cahill, Green Girl Land Development Solutions

The Oregon Environmental Council, in cooperation with technical assistance from Green Girl Land Development Solutions LLC, developed a Low Impact Development guidance template that cities and counties throughout Western Oregon are using to create their own customized stormwater management manual. This template, titled “Low Impact Development in Western Oregon: A Practical Guide for Watershed Health” takes a watershed health approach to water quality, emphasizing practices that not only treat water, but also prevent it from leaving the site to reduce hydromodification and flooding.

For those jurisdictions currently adapting the template, it provides the detail needed to ease the successful implementation of LID to meet stormwater permit regulations and TMDL requirements. Designed for cities throughout Western Oregon, it eliminates problems caused when cities simply refer to the City of Portland manual, which may be inappropriate for their climate, geology, and stakeholde
rs and too complex for their needs.
Within the guidance, there are tools and resources that practitioners in the public and private sector, whether they have a stormwater management manual or not, might find useful including:

  • – A watershed health focused stormwater hierarchy;
  • – A decision matrix to quickly identify the best “best practices” for their site conditions and stakeholders;
  • – Simple and quick hydrologic models for sizing infiltration facilities; and
  • – The annual water balance model that helps users account for the runoff reduction volumes of practices such as vegetated roofs, compost amended soils, and tree planting.

Maria has collaborated on interdisciplinary teams to implement low impact development and green infrastructure in engineering and landscape architecture offices and her own firm for almost 20 years. In 2015, Maria wrote the LID Guidance Template for Western Oregon, which the Department of Environmental Quality (DEQ) funded, endorsed, and posted for download. Since starting Green Girl in 2008, Maria has trained jurisdictional staff throughout Oregon and provided technical resources and tools to help them meet their state water quality regulations (e.g., TMDLs, MS4). She recently completed a 6-week position at NOAA NMFS to provide technical assistance on the new SLOPES for HUD and the future SLOPES for Stormwater, Transportation, and Utilities, due in 2017. She currently works part-time in a limited duration position as a Stormwater Permit Writer for the DEQ while continuing to manage contracts with Green Girl. Maria has also taught numerous highly rated classes at colleges and to development industry professionals.