This blog is the second in a two-part series about stormwater management.  The first blog [Stormwater Management Basics] addressed the basics of stormwater management regulations.  Green infrastructure options for stormwater management are presented below. How does Green Infrastructure help with Stormwater Management? An increasingly popular and holistic approach for effective management of stormwater runoff is… Read More

Have you ever been to your local beach or waterway to go swimming, boating, or fishing and wondered what the water quality is like there? For the first time, there is now a Water Quality app that can be downloaded for free that allows the user to find out the water quality of all Long… Read More

This blog is the first in a two-part series regarding stormwater management regulations as discussed below and best management practices, which will be presented in our September 2nd blog post. What Is Stormwater Runoff and What Are Its Impacts? Stormwater runoff is rain or snowmelt that flows over land, instead of percolating into the soil…. Read More

Water is an important resource that we all have a responsibility to protect. In general, pollution from cesspools and failed septic systems can damage well water and surface waters that we rely on for drinking water. The typical pollutants in household wastewater are nitrogen, phosphorous, and disease-causing bacteria and viruses. According to the Environmental Protection… Read More

The EPA recently released an advance notice for proposed rulemaking (ANPRM) for per- and polyfluoroalkyl substances (PFAS). The Agency is requesting public comment on the information and data presented in the ANPRM. Comments must be received on or before May 17, 2021. This ANPRM will also initiate further data collection and analysis to support future… Read More

If you live in or own a facility in an area that is not served by sanitary sewers, your wastewater is likely discharged to a septic system on your property.  Sewer systems carry sanitary wastewater away from your property to a municipal or private wastewater treatment plant, where the flow is treated before it is… Read More

City of Fort Wayne, Indiana, Division of City Utilities is proud to present its annual workshop, titled 2020 Stormwater Management Advances: Technology and New Products. This year, the annual stormwater outreach program will be conducted virtually via Zoom.  Walden is pleased to assist City Utilities by moderating this important education and outreach program.  Throughout the… Read More

The United States Environmental Protection Agency (EPA) has proposed revisions to the Lead and Copper Rule (LCR) for drinking water and the final version is expected yet this year.  The Lead and Copper Rule was enacted in 1991 to regulate levels of lead in public drinking water. These revisions will be the first major update… Read More

Walden Helps County Officials to Better Plan for Future Expansion and Cost Savings Utility Infrastructure Assessments are a part of Walden’s Business and Transaction Advisory Services.  These studies are comprehensive and help identify the ability of utility systems to remain operational, successful and grow.    Although the requirements and circumstances will vary, Walden Environmental Engineering… Read More

New York recently adopted the first-in-the-nation drinking water standard for 1,4-Dioxane, establishing a maximum contaminant level (MCL)  of 1 part per billion (ppb). In addition, New York announced MCLs for Perfluorooctanoic acid (PFOA) and Perfluorooctane sulfonate (PFOS) at 10 parts per trillion (ppt). New Jersey also recently adopted MCLs for PFOA at 14 ppt and… Read More