Meet the D.L. Howell & Associates Team

Great people, Great Engineering!
Denny L. Howell, II P.E.

Denny L. Howell, II P.E.

President / Owner

Andrew M. DeFonzo, P.E.

Andrew M. DeFonzo, P.E.

Director of Engineering

David W. Gibbons, P.E.

David W. Gibbons, P.E.

Senior Engineer

Joseph S. Russella, Jr.

Joseph S. Russella, Jr.

Director of Operations

Richard Vishneski

Richard Vishneski

Project Manager

Justin Brewer P.E.

Justin Brewer P.E.

Project Engineer

Christopher Daily, P.E.

Christopher Daily, P.E.

Project Engineer

David W. DiCecco

David W. DiCecco

Environmental Scientist

Jared Esbenshade

Jared Esbenshade

AutoCAD Designer

Lindsey L. Stauffer

Lindsey L. Stauffer

Finance Manager

John Hubickey

John Hubickey

System Administrator

Alexander Mundy

Alexander Mundy

AutoCAD Designer

Recent Blog Posts

Learn from the top thought leaders in the industry.

Understanding Stream Designations

If you look at a Post-Construction Stormwater Management Plan or Erosion Control Plan prepared by our office, you will notice a “Receiving Surface Waters” note on the plan. This note may say “Unnamed Tributary (UNT) to East Branch Big Elk Creek in the Big Elk Creek...

Rain, Rain, Go Away

2018 was a very wet and rainy year for Chester County. In fact, the county received 69.1 inches of rain in total. This is 22 inches above the average for the county and 30 inches above the national average. Chester County is not the only area though that had a record...

PA DEP RELEASES GUIDANCE FOR MANAGED RELEASE CONCEPT

When designing stormwater for a project, we must consider stormwater runoff for both rate and volume.  Peak rate is the easier of the two to control as we can manage the rate in a stormwater basin, berm, rain garden, bed, etc.  The peak rate management does...