![](https://gibbs-olson.com/wp-content/uploads/2024/02/West-Longview-Sewer-Diversion-web.jpg)
Wastewater
We prepare hydrologic and hydraulic analysis to provide design parameters for capacity and allocation for collection and conveyance, pump station and treatment systems.
![](https://gibbs-olson.com/wp-content/uploads/2024/02/Levee-Raise-scaled.jpg)
Stormwater
Our engineers stay current with the latest regulations, technologies, design criteria and stormwater management practices to provide our clients with sensible compliance solutions.
![](https://gibbs-olson.com/wp-content/uploads/2021/04/ProBuild3.jpg)
Site Design
We are familiar with the unique characteristics of our region. We understand the complexities of site development and can provide solutions that work for you.
![](https://gibbs-olson.com/wp-content/uploads/2022/06/CDID-Survey-Website.jpg)
Land Surveying
and Mapping
Our land surveying and mapping services range from preparing legal descriptions to performing highly sophisticated GPS/RTK surveying.
![](https://gibbs-olson.com/wp-content/uploads/2024/02/Exit-48-Water-Main-scaled.jpg)
Water
Communities have trusted Gibbs & Olson for over 70 years to plan, design, and oversee the construction of public and private systems.
![](https://gibbs-olson.com/wp-content/uploads/2024/02/TRRWA-Clairifiers-scaled.jpg)
Wastewater
As you work to make your community a better place, we can partner with you to help plan, fund, design and implement the infrastructure you need.
![](https://gibbs-olson.com/wp-content/uploads/2021/01/Dougherty-Dr-Final-scaled.jpg)
Transportation
A successful road project can be a complicated process; our engineers ensure not just correct calculations but attention to details.
![](https://gibbs-olson.com/wp-content/uploads/2013/01/McCorkleCreekStructure-scaled.jpg)
Stormwater
Gibbs & Olson performs hydrologic / hydraulic evaluations of large drainage basins and closed drainage systems.
![](https://gibbs-olson.com/wp-content/uploads/2024/02/West-Longview-Sewer-Diversion-web.jpg)
Wastewater
We prepare hydrologic and hydraulic analysis to provide design parameters for capacity and allocation for collection and conveyance, pump station and treatment systems.
![](https://gibbs-olson.com/wp-content/uploads/2024/02/Levee-Raise-scaled.jpg)
Stormwater
Our engineers stay current with the latest regulations, technologies, design criteria and stormwater management practices to provide our clients with sensible compliance solutions.
![](https://gibbs-olson.com/wp-content/uploads/2021/04/ProBuild3.jpg)
Site Design
We are familiar with the unique characteristics of our region. We understand the complexities of site development and can provide solutions that work for you.
![](https://gibbs-olson.com/wp-content/uploads/2022/06/CDID-Survey-Website.jpg)
Land Surveying and Mapping
Our land surveying and mapping services range from preparing legal descriptions to performing highly sophisticated GPS/RTK surveying.
![](https://gibbs-olson.com/wp-content/uploads/2024/02/Exit-48-Water-Main-scaled.jpg)
Water
Communities have trusted Gibbs & Olson for over 70 years to plan, design, and oversee the construction of public and private systems.
![](https://gibbs-olson.com/wp-content/uploads/2024/02/TRRWA-Clairifiers-scaled.jpg)
Wastewater
As you work to make your community a better place, we can partner with you to help plan, fund, design and implement the infrastructure you need.
![](https://gibbs-olson.com/wp-content/uploads/2021/01/Dougherty-Dr-Final-scaled.jpg)
Transportation
A successful road project can be a complicated process; our engineers ensure not just correct calculations but attention to details.
![](https://gibbs-olson.com/wp-content/uploads/2013/01/McCorkleCreekStructure-scaled.jpg)
Stormwater
Gibbs & Olson performs hydrologic / hydraulic evaluations of large drainage basins and closed drainage systems.
Latest News
- Gibbs & Olson Awarded Toutle WWTP UpgradesAugust 8, 2023 - 10:51 pm
- 2023 Laurel C. Gibbs Scholarship AwardedJune 8, 2023 - 7:59 pm
- We Are HiringMay 30, 2023 - 5:48 pm
- Gibbs & Olson Awarded Elma Reservoir ReplacementJanuary 24, 2023 - 10:54 pm
- Join Us in Helping Community House on BroadwayDecember 5, 2022 - 6:19 pm
- Investing In Our FutureJune 9, 2022 - 10:56 am
Latest Projects
- Detention Structure ModificationsApril 2, 2024 - 10:33 am
- Mt. Solo Reservoir Fill LineMarch 18, 2024 - 9:44 am
- Exit 48 WatermainMarch 1, 2024 - 9:08 am
- Deformation Monitoring & Sediment Cross Section SurveysFebruary 6, 2024 - 8:43 am
- Nevada Drive Sewer ReplacementDecember 5, 2023 - 10:08 am
- McCorkle Creek Dike RepairOctober 7, 2023 - 8:21 am
- Paxton Transmission Main & Booster Pump StationOctober 3, 2023 - 11:26 am