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Owasso Retains Hardgrave for Wastewater Rate Study

City of Owasso logoCity of Owasso
Document date
Nov 10, 2026

The 30-second brief

What it covers

Owasso retained Hardgrave Environmental Management to recalculate industrial wastewater surcharge rates using current treatment costs and pollutant-loading data. The firm's July 2026 study supports the proposed phased rate schedule beginning January 1, 2027.

Who holds it

Hardgrave Environmental Management (Hem) holds this professional services contract with City of Owasso. Its other public contracts on record include work for City of Broken Arrow.

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Contract details

Contract type
Professional Services
Document date
November 10, 2026
Vendor
Hardgrave Environmental Management (Hem)
Agency
City of Owasso
Source document
City of Owasso AgendaPacket Public Notice and Agenda for Joint Meeting of Owasso City Council, Owasso Public Works Authority, and Owasso Public Golf Authority 2026-11-10 (AgendaPacket)

Hardgrave Environmental Management (Hem)'s other public contracts

City of Broken Arrow, OklahomaEnvironmental Firm Hired for Pretreatment Ordinance Updates · Nov 17, 2025

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Questions about this contract

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

Hardgrave Environmental Management (Hem) was awarded this professional services contract by City of Owasso, as recorded on November 10, 2026.

What type of contract is this?

This is a Professional Services contract, documented as a agendapacket record.

Where was this contract approved?

This contract appears in City of Owasso AgendaPacket Public Notice and Agenda for Joint Meeting of Owasso City Council, Owasso Public Works Authority, and Owasso Public Golf Authority 2026-11-10 (AgendaPacket), dated November 10, 2026 from City of Owasso. Civic IQ extracts contract records directly from agency meeting documents and solicitations.

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