John Wallace



Phone: 520.623.3112 Ext. 307
JEF Office: Tucson
40 E. Helen St.
Tucson, AZ 85705
Ph: 520.623.3112
Fax: 520.623.3130




Watershed and Geologic Science

Applied Engineering



Specialized Services


John has over 34 years of experience specifically in the fields of hydrology, hydraulics, sediment transport, scour, drainage planning and design, development (from single-lot to large scale land planning), floodplain & drainage standards development, technical and regulatory training, navigability studies, regulatory review and litigation support.  John has both private and public sector experience having spent 5 1/2 years with the Pima County Regional Flood Control District, including 4 as the county Floodplain Administrator.  During that time John was responsible for developing numerous county standards and procedures, both technical and administrative, many of which are still in use.  His career in the private sector spans nearly 30 years, all in Arizona.  During that time John has prepared drainage reports & plans for small (< 1 acre) and large (>100 acres) residential and commercial developments, drainage improvement concept plans, private and public sector floodplain studies for both local use and FEMA submittal, residential drainage master plans, processing of local, state and federal permitting related to drainage and roadway construction, drainage reports for roadway projects, bridge hydraulics and scour studies, 2-dimensional floodplain studies for both floodplain delineation and channel and roadway design.  John has also been involved in a number of litigation support cases where he provided analysis, documentation and, when necessary, testimony regarding drainage and floodplain matters.  During his private sector career, John was also participated in the development of three of the ten ADWR State Standards (Bank Stabilization, Stormwater Detention-Retention and Hydrologic Modeling).

John is a former Arizona Floodplain Management Association (AFMA) Chairperson, Vice Chairperson and Education Committee Chair.  John is also a former member of the Arizona Department of Water Resources (ADWR) State Standards Workggoup (SSWG) and the City of Tucson Stormwater Advisory Committee.

Professional Registrations/Certifications

Professional Engineer (Civil), Arizona
Professional Engineer (Civil), New Mexico
Certified Floodplain Manager

Academic Background

B.S. in Civil Engineering, University of Arizona
B.S. in Business Administration, University of Connecticut

“I am most grateful for your rapid and professional assistance with this matter.  Enclosed is my check…[it was] money well spent.”  –  Peter Klocki, Landowner

“Mr. Wallace…You are my hero.” – Joann McBride, Property Owner

“We are really happy with the prompt attention and the work done by John Wallace. Life would be a whole lot easier if all the professionals on our project were as helpful and timely as John Wallace in getting their work done.”  –  Jim Franklin, Landowner

“Sometimes fees paid …. fall short of services and kindness delivered.”  –  Enrique Serna, Landowner

“I really appreciate your professional/expert opinion.  It defined for me what the problem is…”  I’m feeling much better about the project thanks to your input.”  –  Jim Rorabaugh, Landowner