News & Insights

  • November 20, 2025
ERSA

Elizabethtown Regional Sewer Authority Comprehensive GIS Services

The Elizabethtown Regional Sewer Authority (ERSA), which serves Mount Joy and West Donegal Townships, partnered with RETTEW to enhance their process for managing and accessing sewer system data. We helped...

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  • November 19, 2025

Sixth Street Pump Station

The Oxford Area Sewer Authority’s Sanitary Sewer District No. 1 service area contributes the majority flow to the Authority’s wastewater treatment facility via the Sixth Street Pump Station. Concerns about...

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  • January 23, 2024
UAJA

University Area Joint Authority Advanced Water Treatment and Enhanced Nutrient Removal Upgrades

The University Area Joint Authority (UAJA) owns and operates the Spring Creek Pollution Control Facility, which treats sewage flows from the Centre Region prior to discharging to Spring Creek. The...

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  • January 23, 2024
Bloomsburg WWT Safety

Bloomsburg Wastewater Treatment Plant Safety Audit

The Municipal Authority of the Town of Bloomsburg wanted to ensure all current buildings and structures complied with OSHA standards and National Fire Protection Association (NFPA) Codes and Standards. As...

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  • April 19, 2022
Brewing Company Anaerobic Pretreatment

Brewing Company Anaerobic Pretreatment System Evaluation

The Sierra Nevada Brewing Company opened a 500,000-barrel-per-year facility, which includes an on-site industrial wastewater pretreatment plant. The pretreatment technology comprises an anaerobic sequencing batch reactor (ASBR) to remove solids...

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  • April 19, 2022
Township of Delhi

Township of Delhi Anaerobic Digester Evaluation

The Township of Delhi operates a conventional wastewater treatment plant designed to treat 4 to 5 mgd. The facility currently treats an average of 2.5 mgd of wastewater. Waste solids...

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  • March 14, 2022

Highspire Borough Authority Biosolids Upgrade

The Highspire Borough Authority’s wastewater treatment plant is designed to treat up to 2 mgd of wastewater. The current treatment process includes primary screening and grit removal, grinding or commutation,...

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  • February 14, 2022

University Area Joint Authority Biosolids Processing Facility Upgrade

The University Area Joint Authority’s (UAJA) Spring Creek Pollution Control Facility provides wastewater treatment, solids handling, and reuse water to the Centre Region and comprises an advanced wastewater treatment facility...

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  • February 14, 2022

City of Wooster Anaerobic Digester Evaluation

The City of Wooster, Ohio, through a public–private partnership, invested in a biosolids facility to process the waste sludge generated on site at the City’s municipal wastewater plant, as well...

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  • October 8, 2021

University Area Joint Authority Ozone Disinfection System Design

The University Area Joint Authority’s (UAJA) Spring Creek Pollution Control Facility previously disinfected its wastewater discharge using an ultraviolet (UV) system. While the UV system was effective at removing viruses...

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