Houston Community College Campus Expansion

EHRA was selected as one of two firms to provide professional surveying services under contract to Houston Community College System.

League Line

EHRA performed preliminary drainage area delineations for nine creek crossings and calculated approximate 100-year flows for each culvert crossing. Culvert structures were sized for each of the six crossings, ranging from 48” round pipe culverts up to dual 5’x5’ box culverts.

Towne Lake

EHRA was selected by the client to provide engineering design and to serve as District Engineer for the 2,400 acre Towne Lake Development. Our survey department retraced the overall boundary and performed a topographic survey of the site.

Willowcreek Ranch Development

A 720-acre gated master planned community located off Telge Road, just north of Willow Creek. See how EHRA was involved in this project.

Harris County MUD No. 536 Wastewater Treatment Plant & On-Site Lift Station Expansion

The facility features an activated sludge process system. Additionally, the facility is equipped with an emergency standby diesel generator.

A. Munroe Kelsay, RPLS

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SURVEY & MAPPING SERVICES Project In Focus

26 Mar 2026

Project InFocus: Blue Ridge Commerce Center West

The Blue Ridge Commerce Center West is a 92-acre commercial and industrial development located southwest of downtown Houston. Developed by Trammell...