PROFESSIONAL_SERVICESAMENDED

Trihydro MS4 Agreement Amended

The Auburn City Council approved Amendment No. 8 to Trihydro Corporation’s professional services agreement. The amendment adds $110,000 in stormwater compliance work and raises the contract ceiling to $456,397 for MS4 services through September 2027.

Document date · August 24, 2026

Track City of Auburn contracts

Get alerts when new contracts are awarded or existing ones approach renewal at City of Auburn.

Get started free

Create a free account · no credit card

Trusted by teams at

Motive logo
Veritone logo
TerraCycle logo
Cyvl logo
WithersRavenel logo
Derivita logo
Comcate logo
SafeTouch logo
IANS Research logo
Motive logo
Veritone logo
TerraCycle logo
Cyvl logo
WithersRavenel logo
Derivita logo
Comcate logo
SafeTouch logo
IANS Research logo
Motive logo
Veritone logo
TerraCycle logo
Cyvl logo
WithersRavenel logo
Derivita logo
Comcate logo
SafeTouch logo
IANS Research logo
Motive logo
Veritone logo
TerraCycle logo
Cyvl logo
WithersRavenel logo
Derivita logo
Comcate logo
SafeTouch logo
IANS Research logo

Scope & details

The full contract record, as filed.

Contract amount
Not to exceed $456,397.00
Contract type
PROFESSIONAL_SERVICES
Contract term
August 2026 through September 2027
Renewal date
2027-09-30
Renewal
Original professional services agreement dated May 11, 2021. Amendment No. 8 modifies the maximum amount to $456,397.00; staff report says prior amendments were made as additional scope and time were required.
Document type
AgendaPacket
Source document
City of Auburn AgendaPacket Regular Session 2026-08-24

Frequently asked questions

Common questions about this contract, answered from the record.

Who was awarded the professional services contract by City of Auburn?

Trihydro Corporation was awarded this professional services contract by City of Auburn, as recorded on August 24, 2026. The contract value is Not to exceed $456,397.00.

How much is the Trihydro Corporation contract with City of Auburn worth?

The Trihydro Corporation contract with City of Auburn is valued at Not to exceed $456,397.00, covering professional services work.

What type of contract is this?

This is a Professional Services contract, documented as a agendapacket record, structured as a not-to-exceed (ceiling) agreement.

Where was this contract approved?

This contract appears in City of Auburn AgendaPacket Regular Session 2026-08-24 (AgendaPacket), dated August 24, 2026 from City of Auburn. Civic IQ extracts contract records directly from agency meeting documents and solicitations.

What other contracts does Trihydro Corporation hold?

Trihydro Corporation may hold additional government contracts. View their full contract history, the agencies they serve, and total tracked spend on their Civic IQ vendor profile.

View Trihydro Corporation's profile

What is City of Auburn currently buying?

Explore City of Auburn's vendors, signed contracts, and active RFPs on their Civic IQ agency profile.

View City of Auburn's profile