Biological

The staff at Arroyo understands the importance of assessing, maintaining and restoring critical habitats for endangered and threatened species as well as preserving and improving water quality and flow to sensitive areas. Working with authorities on the State and Federal level, Arroyo has conducted Aquatic Ecosystem Evaluations and Instream Flow Studies that are tailored to the unique area in question. Once the state of the site is properly assessed, Arroyo can help facilitate efforts to not only improve, but develop and expand habitats to support endangered species. Read more…

Endangered Species

Prior to breaking ground on a project, the site should be evaluated for the presence or absence of an endangered species habitat. Arroyo is very experienced with conducting studies and evaluations in order to determine if a threatened species is present and evaluating if the proposed project would impact the species habitat. Further, the staff at Arroyo can help you restore and enhance natural habitats to be more supportive of endangered and threatened species. Read more…

Environmental Site Assessments

Environmental Site Assessments are important in order to determine if an area contains environmental hazards that can negatively impact buildings on a site, future construction and development, as well as the ground and water found on the property. Hazards can include substances such as petroleum products, abandoned tanks, and other hazardous waste that can lead to contamination on site. If found, these contaminants can severely impact future projects, so it is imperative to know, understand and address concerns as early as possible. The staff at Arroyo is very familiar with Phase I and Phase II Environmental Site Assessments. Read more…

Land Management

Land management can encompass a variety of efforts, depending on a landowner’s concerns and/or desires for their property. From restoration of native plants to preparing for a habitat conservation easement to preparing and managing hunting and fishing leases, Arroyo has the expertise to provide a management strategy to fit. Whatever your land management needs are, Arroyo can help. Read More…

Scientific Studies

Section 404 Permits

The staff at Arroyo can help you determine whether or not your project will require a Section 404 permit according to regulations set in the Clean Water Act by conducting a preliminary assessment of the site in question. If jurisdictional waters are identified, Arroyo has years of experience guiding clients through the permitting process, including areas that also have tidal concerns, which fall under The Rivers and Harbors Act Section 10. Read more…

Surveying – GIS

Arroyo utilizes the most advanced surveying technologies in order to provide the best quality topographic survey data to its clients. Using tools such as GPS technology, multibeam echosounders, acoustic current profilers, robotic scanners, etc., Arroyo staff can obtain very thorough information about a site. Additionally, Arroyo is well versed in Geographic Information System software, enhancing the ways the data collected can be stored, managed, manipulated and analyzed. Read more…

Water Quality Monitoring

Although water quality is monitored at stations all over the state of Texas, there are many areas that current data on water quality is unavailable. The staff at Arroyo is very familiar with collecting samples and analyzing saltwater, freshwater, estuarine water and groundwater, according to the standards set by the Texas Commission on Environmental Quality. Water quality monitoring is key to many of the permit processes required on the State and Federal Level.  Read more…

Wetland Delineation

Although water quality is monitored at stations all over the state of Texas, there are many areas that current data on water quality is unavailable. The staff at Arroyo is very familiar with collecting samples and analyzing saltwater, freshwater, estuarine water and groundwater, according to the standards set by the Texas Commission on Environmental Quality. Water quality monitoring is key to many of the permit processes required on the State and Federal Level. Read more…