Improving Energy and Operational Efficiency in Odor Control Systems
Wastewater treatment plant odor control systems utilize significant resources in terms of electrical energy, water use, and, in some cases,…
The Do It Yourself (DIY) Approach to Treating Extreme H2S Odors in Little River, South Carolina
The Morgan Street Pump Station (MSPS) is Little River Water and Sewer Company, Inc.’s (LRWSC) main pump station and is…
Biogas Use in Chapel Hill, NC
The Orange Water and Sewer Authority (OWASA) has historically used biogas generated by their anaerobic digesters to heat the digesters…
Codigestion: How to Make It a Financial *Win-Win* for All Parties
In recent years, the practice of co-digesting sewage sludge with other high strength organic wastes has become more common, as…
Development of a Land Application Program for Class B Biosolids at the North Davis Sewer District
A study evaluated the potential for developing a land application program for Class B biosolids produced by the North Davis…
Focus on Trenchless Technology Results in Successful Interceptor Sewer Replacement
The City of Lake Oswego, Oregon faced difficult questions with their main interceptor sewer running through Oswego Lake being seismically…
Hydraulic Analysis* Inspection* and Condition Assessment of the City of San Diego PS65 FM
Pump station capacity upgrades are required at Pump Station No. 65 (PS65) to adequately handle typical dry-weather flows and peak…
Rehabilitation of a Hydraulically Limited Sewer 30-Feet Deep Under Interstate-5
With a planned expansion to an upstream pump station, the City of Portland’s Bureau of Environmental Services, Oregon (City), determined…
Decision Logic for Selecting Wastewater Force Main Inspection Program Tools
The roster of technologies available for wastewater force main inspection has grown from 19 tools three years ago to 37…
Flood Grouting Sanitary Sewers for Infiltration Control
The1950s-era concrete pipe sanitary sewer system in Seattle’s Broadview neighborhood experiences significant wet weather inflow and infiltration. Extreme wet weather…
CIPP Rehabilitation of Sewers in the Beaver State * Design, Construction, and Lessons Learned
As the name “Beaver State” suggests, areas of the state of Oregon are populated by beavers and as these beaver…
Institutional Knowledge and Succession Planning in The Cloud: A Low-Cost Way to Capture How Things Really Work
One of the key challenges of maintaining a utility’s operational performance is the preservation of critical information necessary to optimally…