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May 2024 - Issue #110
Project Update: LIDAR-Derived DEM Differencing As An Approach To Identify Potential Stream Stabilization Projects In Suburban Philadelphia
Stream restoration has become an increasingly common strategy utilized by watershed restoration agencies to obtain nutrient and sediment reductions to comply with Municipal Separate Storm Sewer System (MS4) and Total Maximum Daily Load requirements. As such, practitioners are seeking more efficient methods to evaluate stream reaches where sediment delivery could be reduced, and to report credits for sediment and nutrient reductions.
CWPA Member Spotlight: In-Situ
Take advantage of new content from CWP member In-Situ: the latest episode of AquaPod follows researchers in the Okavango Delta through encounters with aggressive hippos to how their data illuminates this unique landscape. Take a deep dive into all things DO in this parameter-specific monitoring guide. And there’s never been a better opportunity to try the Aqua TROLL platform. Learn about our limited-time trade-in offer on our website.
CWPA Member Spotlight: Aqualis Case Studies
Durham, N.C. Sinkhole Leads to Stormwater System Rehabilitation

Overview:
The tenant on this property noticed a depression that opened to the ground below and notified the property owners. Understanding the gravity of the situation, the property owners turned to AQUALIS to inspect and remediate the stormwater system.
Broward County, Fla Corrective Maintenance Protects Assets

Overview:
Regular maintenance of stormwater assets protects properties from failures related to buildup and structural issues. Routinely inspecting and maintaining these assets can prevent costly repairs. This client is required by the local municipality to inspect and repair the stormwater system on their property to full compliance every five years. During this regular inspection, defects were found and remediated before more serious issues surfaced.
News
Guest Blog: A Planner’s Essential Role in MS4 Compliance
With recent audits of municipal separate storm sewer system (MS4) permits taking place, some cities, counties and departments of transportation have found themselves in need of assistance with this broad and complex permit.

Beyond the Golden Shovel: Recommendations for a Successful Urban Tree Planting Initiative
Urban tree planting initiatives (TPIs) have become a prominent form of public work that has the potential to increase the livability and sustainability of cities. However, if not sufficiently resourced and thoughtfully planned and implemented, these high-profile programs may fail to achieve intended goals. To promote successful implementation of TPIs, we offer recommendations for the pre-planting, installation, and post-planting phases. During each of these phases we present five cross-cutting themes: ensuring adequate funding for all project phases; cultivating place-based landscape design; engaging and investing in communities; implementing sound planting practices; and evaluating performance and adapting over time.

Sponsor Blog: U.S CAD Tips for Selecting the Best Drainage Design Software for Your Project
The U.S. Environmental Protection Agency (EPA) announced $7.5 billion in available Water Infrastructure Finance and Innovation Act (WIFIA) funding to support drinking water, wastewater, and stormwater infrastructure. The Infrastructure Investment and Jobs Act (IIJA) includes $50 billion to EPA to strengthen the nation’s drinking water, stormwater, and wastewater systems. For IIJA FY2023-2024 investments, the focus has been and will continue to be on addressing and mitigating the effects of climate change; investing in water infrastructure; and accelerating progress to tackle lead and per- and polyfluoroalkyl substances (PFAS).

The significant investment is both a challenge and an opportunity for drainage and hydrology engineering firms. Developing optimized solutions with efficiency has never been more critical.

CWP News
Two New Local Board Members Join CWP
CWP is governed by a Board of Directors that provides strategic direction and oversight for the organization. The board recently added two new members to the group, Jason Overgard and Edward McWilliams. Jason is a Principal Quantitative Engineer at BGE and Edward is a senior credit analyst and underwriter for SECU’s Commercial Lending department. Read their full bios and meet the rest of the board below.

Upcoming Events
Building Capacity for Streambank Stabilization: Design & Permitting Roundtable for James River Stakeholders
June 7th, 2024, 1:00 - 2:00 PM EST
Description: The Roundtable, intended for stakeholders in Virginia’s Upper and Middle James River watershed, will feature presentations from local experts and practitioners, including an introduction and guided tour of the permitting process, considerations for pursuing stabilization vs. restoration projects, examples of different design approaches, and a discussion of project considerations and challenges for small-scale stabilization projects. There will also be a Panel Discussion with all presenters to answer questions and engage with requested discussion topics.

2024 Webcast 5: Biochar: Applications and Research
June 12th, 2024, 1:00 - 2:30 PM EST
Description: There are numerous Best Management Practices designed to remove conventional pollutants from stormwater, but very few that target bacteria. Biochar, a charcoal-like substance made via pyrolysis of organic material, has recently been gaining attention as a potential filter media amendment for removing bacteria. Sustainably produced and carbon neutral, biochar has been used to help fight climate change by sequestering carbon while simultaneously providing energy to plants and increasing crop yields. Following a series of successful small-scale field trials that reduced E. coli concentrations in urban stormwater by 49-97%, the Coon Creek Watershed District, UCLA, Stantec, and the Cities of Blaine and Coon Rapids, Minnesota teamed up to construct two full-scale biochar- and iron-enhanced sand filters. Each filter is split into two identical cells, one with 30% biochar by volume added and one without. This design allows for head-to-head performance monitoring, testing the ability of biochar to remove E. coli while reducing nutrient and bacteria loading to two impaired creeks: Woodcrest Creek and Pleasure Creek. The combined filters are sized to treat runoff from 1.5 square miles of previously untreated drainage area before discharging to the two creeks and the Mississippi River.

Speakers: Ed Matthiesen from Stantec & Tom Miles from U.S. Biochar Initiative


Lunch and Learn Series (CWPA MEMBERS ONLY): Greg Kedzierski from Ernst Seed presents "Native plantings from Bioengineering to Seeds, tips and techniques for restoration in your watershed"
June 20th, 2024, 1:00 - 2:00 PM EST
Description: An overview of different planting techniques used for restoration projects throughout your watershed. Information on different species from seed to bioengineering to add diversity, common techniques for planting to innovative uses of seed and plant materials to help your projects become more successful.


Free Webcast: Empower Your City: Attend Our Workforce Development Panel for Building GSI Capacity
June 25th, 2024, 1:00 - 2:00 PM EST
Description: Attendees will understand the social, economic, and environmental impacts that the Center for Watershed Protection's Clean Water Certificate (CWC) training program can have on their local communities and who to connect with to make that happen.

2024 Webcast 6: MS4 Permit Basics
July 17th, 2024, 1:00 - 2:30 PM EST
Description: Learn about the basics of the Municipal Separate Storm Sewer System (MS4) permit. This training is perfect for new or soon-to-be MS4 permittees. The training will cover each of the Six Minimum Control Measures and provides guidance for meeting the permit requirements as well as tracking and reporting. The training will review strategies for meeting impervious area restoration goals or volume reduction goals. Additionally, the presentation will highlight ways to fund your MS4 program.

Speakers: Beth Uhler & Amanda Pollack from Center for Watershed Protection


2025 National Watershed and Stormwater Conference
April 8th - 10th, 2025
Join us in Puerto Rico
Learning Links
The Center for Watershed Protection | www.cwp.org