ADEQ solicits offers from qualified parties to provide goods or services, primarily for environmental and scientific needs. This page is updated monthly, so check back regularly for new notices.

Solicitations are posted, and offers are submitted via the Arizona Procurement Portal | Register or Log In as a State of Arizona Vendor >

Notice of Intent Announcements

• ADEQ intends to issue a Request for Proposal (RFP) solicitation for Anaplan Platform Support Services in late March 2026. The solicitation will be available to view online through the Arizona Procurement Portal (APP) under solicitation #BPM007362.

Solicitations

• ADEQ has issued a Request for Proposal (RFP) Solicitation for Inspections and Audits of Clean Water Act Facilities, Programs and Activities. The solicitation is available to view online on the Arizona Procurement Portal (APP) under solicitation #BPM007535 | View APP >
• ADEQ has issued a Request for Information (RFI) Solicitation for Environmental Hydrogeology Data Analysis, Visualization, and Management Application. The solicitation is available to view on the APP online under solicitation #BPM007299 | View APP >

Recent Contract Awards

• Contract for Underground Storage Tanks (UST) Operator Training and Training Course License was awarded to CTR080044 — Eastern Research Group, Inc. on Dec. 24, 2025.
• Contract for Ceilometer Equipment and Associated Items, Maintenance and Warranty was awarded to CTR079982 — Vaisala, Inc. on Dec. 22, 2025. 
• Contract for Monitoring Assistance Program (MAP) was awarded to CTR078214 — Eurofins Eaton Analytical LLC on Aug. 14, 2025. 
• Contracts for Emergency Response, Firefighting and Safety Equipment and Supplies CTR077662 — L N Curtis and Sons, CTR077663 — Matlick Enterprises, CTR077664 — Safeware Inc, CTR077665 —  SWHP LLC, CTR077667 — Municipal Emergency Services were awarded on June 30, 2025.
• Contract for Potentially Responsible Party Searches CTR077592 – Toeroek Associates, Inc. was awarded on June 25, 2025.
• Contract for Gaseous Ambient Pollutant Monitoring Instruments and Associated Items, Maintenance and Warranty CTR075409 – Teledyne API a Business Unit of Teledyne Instruments, Inc. was awarded on Jan. 15, 2025.
• Contracts for Brownfields Environmental Site Assessment Services were awarded to Atlas Technical Consultants LLC (CTR074819), Civil and Environmental Consultants Inc (CTR074819), Partner Engineering and Science Inc (CTR074822), Terracon Consultants Inc (CTR074824), Ninyo and Moore (CTR074821), Stearns Conrad & Schmidt Consulting Engineers Inc (CTR074823), Western Technologies Inc (CTR074825).
• Contract for Analyze Emissions Testing Data and Produce Reports for Arizona Department of Environmental Quality (ADEQ) in Accordance with United States Environmental Protection Agency (EPA) Requirements CTR074464 - Ryan Wessel, dba Independent Economist was awarded on Oct. 31, 2024.
• Contract for Actuarial Study CTR074454 – Taylor and Mulder, Inc. was awarded on Oct. 31, 2024.
• Contracts for Capacity Development/Technical Assistance to Small Public Drinking Water Systems were awarded to: CTR074216 - AARC Consultants LLC, CTR074217 - Blake Anderson - Mogollon Water Management LLC, CTR074218 - Clear Creek Associates PLC - Geo-Logic Associates, Inc., CTR074219 - Consor North America, Inc., CTR074220 - Eastern Research Group, Inc., CTR074221 - Garver, CTR074222 - GHD, Inc., CTRO74223 - Greg Carlson Engineering, LLC, CTR074224 - HDR Engineering, Inc., CTR074225 - INTERA Incorporated, CTR074226 - Ironside Engineering and Development, Inc., CTR074227 - Kalyan Raman KUV Consultants LLC, CTR074228 - Kimley-Horn and Associates, Inc., CTR074229 - Moonshot Missions, Inc., CTR074230 - Narasimhan Consulting Services, dba NCS Engineers, CTR074231 - Rural Community Assistance Corporation, CTR074232 - Tata and Howard, Inc., CTR074233 - Watearth, Inc., CTR074234 - Water Finance Assistance on Oct. 23, 2024.
• Contracts for ASRAC Assessment and Remediation of Hazardous Substances were awarded to: CTR072294 - AECOM Technical Services, Inc., CTR072296 - CDM Smith, Inc., CTR072297 - GeoLogic Associates, Inc., CTR072298 - Geosyntec Consultants, Inc., CTR072299 - Hydro Geo Chem, Inc., CTR072300 - Matrix New World Engineering, Land Surveying and Landscape Architecture, PC (dba Matrix New World Engineering) and CTR072301 - Tetra Tech, Inc. on June 11, 2024. 
• Contracts for Military Oversight Support Services CTR072225 - Hydro Geo Chem Inc., CTR072226 - Matrix Design Group Inc., CTR072227 - UXO Pro Inc. were awarded on June 4, 2024.
• Contracts for Environmental Monitoring Equipment: CTR071455 - Aware Monitoring Systems, CTR071456 - Campbell Scientific, CTR071457 - Entanglement Technologies, CTR071458 - Geotech Environmental Equipment, CTR071459 - Sabio Environmental and CTR071460 - Yellow Springs (YSI) were awarded on May 01, 2024.
• Contract CTR070547 for Fleet On Road Remote Sensing - Data Collection for EPA Half Percent Study/Report were awarded to Opus Inspections, Inc. on March 7, 2024.
• Contracts for Taxonomic Laboratory Services for Macroinvertebrate and Algae: CTR070120 - EcoAnalysts, Inc. & CTR070121 - Enviroscience Inc. were awarded on Feb. 15, 2024.
• Contracts for Advanced Water Purification Technical Support CTR068817-AECOM Technical Services, CTR068818-Geosyntec Consultants, CTR068819-Hazen and Sawyer, CTR068820-Jacobs Engineering Group, and CTR068821-Stantec Consulting Services were awarded on Nov. 30, 2023.
• Contracts for Air Quality Specialized Technical Services: CTR066675 - AIR RESOURCE SPECIALISTS INC, CTR066676 - EASTERN RESEARCH GROUP INC, CTR066677 - PINYON ENVIRONMENTAL INC, CTR066678 - RAMBOLL US CORP, and CTR066679 - SONOMA TECHNOLOGY INC, were awarded on July 10, 2023.
• A contract for Asbestos, Lead, and Mold Abatement Services was awarded on July 1, 2023.
• A contract for UST Inspections CTR066266 to Williams & Co. Consulting, Inc. was awarded on June 19, 2023.
• A contract for Lead Service Line Identification and Inventory Services was awarded on June 1, 2023.
• A contract for Aqua Troll Equipment and Supplies CTR064435 to In-Situ, Inc. was awarded on Feb. 14, 2023.
• Contracts for Logistical and Meeting Facilitator/Moderator Support Services: CTR064436 - GORDLEY DESIGN GROUP INC, CTR064437 - BORNS SOLUTIONS AZ LLC and CTR064438 - EASTERN RESEARCH GROUP INC, were awarded on Feb. 13, 2023.

Notices regarding these solicitations will be issued through the Arizona Procurement Portal (APP) to all registered suppliers/contractors with respective commodity codes for solicitations. Interested parties that wish to receive updates regarding solicitations automatically must register with APP  | Register Now >

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