OnDemand Webinars

Asbestos Cement Pipe Condition Assessment and Optimum Replacement Methodology

Thousands of miles of asbestos cement pipe mains in North America water distribution systems are reaching the end of their anticipated service life. With costs for replacement in the multi-million dollars per mile, distribution system managers must determine where to focus limited funds and how to optimize...

Benefits of Using the Unified Guidance for Groundwater Evaluation

EPA’s Unified Guidance (UG) offers major new recommendations for handling and analyzing groundwater monitoring data. Incorporating these recommendations into your groundwater monitoring program is not only consistent with current EPA guidelines - aiding in complying with regulatory expectations - but...

Corrosion Control for Water System Piping and Storage Tanks

Corrosion is a process that attacks buried metallic water distribution and transmission piping often resulting in unexplained water loss, service disruptions, and increased maintenance and operating costs. A recent study indicated the annual cost of corrosion of water systems in the United States alone...

Current Issues in Hydraulic Fracturing

With the United States having an estimated 100 year’s worth of undeveloped gas reserves, the exploration for and the extraction of natural gas from shale formations throughout the United States have taken the forefront in the oil and gas industry, but not without some controversy. There is great...

Current Issues With Algae and Water Quality

The occurrence of cyanobacterial blooms in marine, brackish and freshwater is a worldwide phenomenon. One third of the 50 genera of freshwater cyanobacteria are capable of producing toxins. Recognizing the potential health risk, Canada, the United Kingdom, Australia and many European countries...

Desalination Innovations 2012: Energy and Environmental Advances

Water supply around the world has become one of the major tasks facing municipal managers and stake holders. Desalination has often been regarded as too expensive because it consumes too much energy. Environmental concerns have also been expressed by local groups that fear their beaches and shoreline...

Developing Sustainable Decentralized Wastewater Systems

Rural, suburban and urban communities across the United States are wrestling with increasingly complex wastewater management issues in the face of funding limitations for system upkeep and new infrastructure, environmental degradation and water resource limitations, and increasing energy costs. Aging...

EPA Guidance on Indian Tribe Consultation: What it Means and Why it Matters

Did you know that the enactment of every federal policy may require consultation with one or more of the hundreds of sovereign Native American nations that exist within the boundaries of the United States? Indian tribes are distinct legal entities and must be consulted before federal agencies take any...

EPA Requirements for Underground Storage Tanks

Many developers, businesses and individuals encounter the opportunity to purchase land that has been previously contaminated by underground storage tanks. EPA’s regulations, delegation and direction to state agencies, and direction on remediation is changing. Many of these prospective purchasers are...

Federal Compensatory Mitigation Regulations for Development Impacts to Wetlands and Waters

Most impacts to wetlands and waters occurring from development activities, like a road crossing or construction of a utility corridor, require permits from the U.S. Army Corps of Engineers (USACE). Typically impacts greater than 0.1 acres in size require mitigation to compensate for authorized impacts....