(888) 247-7577

Wastewater

We invest our specialized knowledge and experience in building enduring relationships with clients for the good of our communities.

TOTH’s civil engineers have professional experience on wastewater design projects of all scales ranging from large collection systems consisting of miles of gravity and force mains to municipal rate studies and residential pump design. From master planning , design and permitting to easement acquisition, construction observation, and administration, the team has experience with all aspects of a project.

  • Facility Planning
  • Gravity Main, Force Main, and Lift Station Analysis and Design
  • Inflow and Infiltration Studies
  • Treatment
  • Rehabilitation

Civil Engineering Services

Potable Water

TOTH’s civil engineers have analyzed and designed miles of potable water systems...

Stormwater Management

TOTH’s civil engineers are experienced in all facets of stormwater management...

Wastewater

TOTH’s civil engineers have professional experience in wastewater design projects of all scales ranging from large ...

Transportation

TOTH boasts a total of 80 years experience in transportation engineering...

Site Development

TOTH’s civil engineers have professional experience on-site development projects of all scales...

Specialty Services

TOTH's expertise goes beyond our engineering services. Get more information on Rate Analysis, Grant Management, and more.

Client Relationship

Across all the market segments we serve, clients are seeking well-qualified engineering firms with strong momentum, open communication, and careful attention to the priorities of their clients. At TOTH, we understand that need and approach each project to integrate seamlessly with each client organization and its stakeholders. The resulting collaborative relationships provide the groundwork for realistic planning, open communication, and project outcomes that ultimately exceed expectations.

TOTH is experienced in providing customized solutions and developing and nurturing long-term client-consultant relationships within the specialized market of municipalities, PUDs, and cooperatives. This focus guides and uniquely equips us to anticipate and address the needs of our clients. That is most evident is in the ongoing relationships many of our engineers have made and maintained. We have numerous staff members who have had the pleasure of maintaining ongoing consultant-client relationships for more than 40 years.

Call For Information:

(417) 888-0645

Request Statement of Qualifications

To receive the TOTH general Statement of Qualification (SOQ) please submit your request using the Request SOQ form.

Contact Us

Springfield, MO Office

1550 E Republic Road
Springfield, MO 65804

Portland, OR Office

5331 S Macadam Ave
Suite 307
Portland, OR 97239

Billings, MT Office

2270 Grant Road
Suite 2
Billings, MT 59102

Hermiston, OR Office

369 W Hermiston Ave
Hermiston, OR 97838

Tri-Cities, WA Office

8131 W Klamath Court
Suite E
Kennewick, WA 99336