Herbert, Rowland & Grubic, Inc. (HRG) is helping Derry Township and the Derry Township Municipal Authority (DTMA):
- Reduce flooding concerns
- Improve water quality in a cost-effective manner
- Proactively overcome deferred maintenance obligations
Over the past three years, we’ve helped to design some of the 60-plus improvements totaling $1.5 million to replace aging infrastructure and implement Best Management Practices (BMPs) for the community.
HRG has made this ambitious program possible by:
- Developing a long-term capital improvement plan
- Obtaining more than $300,000 in grants from DEP, Growing Greener, and Mariner East II
- Implementing one of Pennsylvania’s first stormwater fees
- Innovating regional solutions that maximize water quality benefits while minimizing costs
Our services include:
- Field view and conceptual solutions development
- Interaction with public stakeholders
- Survey, engineering, and permitting
- Stormwater BMP design and retrofitting
- Stream stabilization and restoration design
- Project manual and bidding
- Construction administration and construction observation
- Project funding and grant/loan applications
- Municipal separate storm sewer system (MS4) outfall inspections
- Pollution reduction planning (PRP)
- Review of stormwater management plans & development of performance security
Derry Township and DTMA are recognized throughout Pennsylvania as leaders in water quality and stormwater management, and we are proud to have helped them design their stormwater management program.
Other clients we serve as program manager/retained stormwater engineer include:
- Clarion Borough Authority
- Lower Paxton Township Authority
- Lycoming County Water Sewer Authority
- Wyoming Valley Sanitary Authority
- Chambersburg Borough
- West Hanover Township Authority
