With Solmar Hydro's years of hydrographic experience surveying inland and offshore waters you can be assured that your bathymetric data is precise and accurate.

Condit Dam Breech Sediment Transport Study

Graphical net sediment deposition results calculated from multiple high resolution surveys conducted at the confluence of the White Salmon and Columbia Rivers.

City of Portland – Columbia Blvd Outfalls 1.0 and 2.2

High Resolution Multibeam Inspection Survey

Coeur d’ Alene River Sediment Transport Study

Repetitive surveys were performed during peak spring floods over 30 miles of river. Hydrographic data was used to calculate bedform migration rates, sediment transport and for modeling purposes.

Forebay Multibeam Inspection Survey

Overall CARIS Geospatial Software calender winner of 2012

Willamette River Confluence Project

Challenging shallow river conditions are dealt with the same way as full ocean depth surveys.......with safety, efficiency and accuracy.

Aerial Dam

High Resolution Inspection and Assessment Survey

Lower Baker Dam

Floating Surface Collector Installation Survey

Port of Tacoma Conditon Survey

High resolution survey to determine waterway conditions for the Port of Tacoma — among the largest container ports in North America. Hydrographic data was collected up to MLLW 0' for the entire port facility.

Swift, Yale and Merwin Reservoirs

Multibeam Bathymetric Surveying for FERC re-licensing

About Solmar Hydro

Founded in Portland, OR in 2004, we provide hydrographic data collecting, navigation and positioning services the scientific community and marine construction industry use to manage and monitor marine environs. [More]

Our Services

Solmar Hydro offers a wide range of hydrographic charting services from a variety of platforms with a focus on challenging projects that demand precision hydrogeomatic data. [More]

Statement of Qualification

For the full brief
on Solmar Hydro, download our Statement of Qualifications.


noaanoaa “The hydrographic services and support provided by SHI to NOAA’s National Ocean Service have been exemplary…. Solmar Hydro has provided excellent professional services to include cruise preparation, data management, project management, and...[Read More]
poprt-of-tacomapoprt-of-tacoma “It was a pleasure working with Solmar Hydro throughout the Bathymetric Survey Project for the Port of Tacoma. They were accommodating and professional with the Ports Requests, working with us to assure...[Read More]
finleyfinley “Unsurpassed quality and service…..I would recommend SHI to anyone in need of hydrographic data”[Read More]
bergerabambergerabam “The graphic presentation of the current velocities and directions made for easy understanding on the part of both technical and non-technical participants. And you were able to accomplish that within your original...[Read More]
vanderbuilt-logo-gold-blackvanderbuilt-logo-gold-black “We approached Solmar to do a hydrographic survey on the Columbia River. From our initial conversation until we received our data, we were confident that our project would be completed on time,...[Read More]
pace-engineering-logo-tn85x851pace-engineering-logo-tn85x851 Solmar Hydro’s experience, confidence, attention to detail, and top of the line equipment is impressive. These attributes are clearly apparent in their work flow and methodology. I am looking forward to seeing...[Read More]