This Government Contract opportunity from California was posted on June 19, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Environmental Compliance and Monitoring Services

Closed

State & Local

Submission Closed07/16/2026, 05:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541620

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International

Landfill Monitoring Services (2027-2031) RFP

Solicitation # R26-242

The Regional District of Central Okanagan is seeking proposals for Landfill Monitoring Services for the period spanning 2027 to 2031. This solicitation, identified by number R26-242, is being managed within the Province of British Columbia. Interested parties must submit their responses by the deadline of October 8, 2026, at 9:00 PM. The contract focuses on the performance of monitoring duties at landfill sites located within British Columbia to ensure environmental compliance and operational safety over the five-year term.

Regional District of Central Okanagan

POSTED

DEADLINE

Environmental Monitoring and Closure Plan Professional ServicesThis subcontract for Environmental Monitoring and Closure Plan Professional Services involves providing environmental assessment and regulatory reporting for landfill projects within the Province of British Columbia for the Regional District of Central Okanagan. The selected provider will analyze groundwater and gas monitoring data against established water quality criteria, prepare Annual Reports in accordance with Operational Certificate 12217, and develop and seal updated Closure and Mitigation Plans. A critical requirement for this contract is that all official documents must be sealed by a Qualified Professional, specifically a P.Eng or P.Geo registered in British Columbia. The solicitation was posted on September 22, 2026, with a response deadline of October 8, 2026.

Regional District of Central Okanagan

POSTED

DEADLINE

Landfill Monitoring Services (2027-2031)

Solicitation # R26-242

The Regional District of Central Okanagan is seeking proposals for landfill monitoring and associated services for the closed Westside Landfill located in West Kelowna, British Columbia. The contract is intended to cover five annual monitoring periods from 2027 through 2031, with a formal term commencing on January 1, 2027, and expiring on April 30, 2032. The selected consultant must ensure that annual reports are submitted to the Ministry no later than April 30th of the year following each monitoring period. The scope of work requires the inspection, maintenance, and environmental monitoring of the facility to ensure strict compliance with Operational Certificate 12217 and the most recent Closure Plan. Key responsibilities include maintaining the landfill in good working order and having a Qualified Professional seal and submit an updated Closure Plan by December 31, 2026. This plan must include detailed tables for groundwater and landfill gas monitoring locations, parameters, and frequencies. All services must be performed in accordance with the Environmental Management Act of British Columbia, the Landfill Criteria for Municipal Solid Waste Second Edition June 2016, and the British Columbia Field Sampling Manual. The contractor is responsible for implementing a Quality Assurance and Quality Control program and comparing monitoring data against specific water quality and landfill gas management criteria. In the event that gas management requirements are not met, the contractor must provide mitigation plans and notify affected neighboring site owners and the Provincial Emergency Program.

Regional District of Central Okanagan

POSTED

DEADLINE

Specialized Water Treatment MonitoringThis subcontract for Specialized Water Treatment Monitoring is issued by the Government of Yukon for projects at the Wolverine Mine. The selected provider will perform monitoring and quarantine sampling for industrial water treatment systems, specifically focusing on Under-Water Treatment Systems, Tailings Storage Facility Water Treatment Plants, and Industrial Complex Runoff. The scope of work requires the use of industrial water sampling equipment to deliver comprehensive monitoring reports and compliance samples for prime contractors. The solicitation was posted on September 22, 2026, with a response deadline of October 21, 2026, falling under NAICS code 541620.

POSTED

DEADLINE

Groundwater & Potable Water MonitoringThis subcontract for the Government of Yukon involves the monitoring and sampling of groundwater and potable water systems for prime contractors operating on Wolverine Mine projects. The scope of work includes executing quarterly groundwater monitoring and implementing potable water quarantine procedures using specialized equipment such as sampling pumps, bailers, and testing kits. The selected provider will be responsible for delivering comprehensive water quality reports and samples. This opportunity falls under NAICS code 541620, with a response deadline set for October 21, 2026.

POSTED

DEADLINE

Surface Water Quality Monitoring & SamplingThis subcontract for the Government of Yukon involves surface water quality monitoring and sampling for prime contractors on Wolverine Mine projects. The selected provider will be responsible for collecting and field processing water samples at designated stations using specialized gear and containers. Key operational requirements include the implementation of strict QA/QC procedures, such as the collection of duplicate, field blank, and travel blank samples, as well as the detailed documentation of station conditions and observations. The contractor is required to deliver all collected water samples along with comprehensive field sampling logs. This opportunity falls under NAICS code 541620 and was posted on September 22, 2026, with a response deadline of October 21, 2026.

POSTED

DEADLINE

Wolverine Mine Water Quality Monitoring Program

Solicitation # RFP-2026-8-5550

The Government of Yukon is soliciting proposals for a time and materials contract to implement a comprehensive water quality and quantity monitoring program at the Wolverine mine site, located within the traditional territory of the Kaska Nation. The contract term runs from December 1, 2026, to March 31, 2029, with an anticipated annual cost of 600,000 dollars plus a provisional amount of 75,000 dollars. The scope of work includes monitoring surface water, groundwater, and potable water, as well as ensuring effluent compliance for the Tailings Storage Facility and the Underground Water Treatment System. Key deliverables include monthly water quality reports and detailed field documentation, with all samples processed by accredited laboratories according to specific standard operating procedures and data management protocols. The procurement process utilizes a value-driven, two-envelope submission system where technical proposals are evaluated first. A minimum score of 54 points is required for technical acceptability before price and Yukon First Nation participation submissions are opened. The final award is based on a weighted score consisting of 50 percent technical criteria, 30 percent price, and 20 percent labor level criteria. Selected consultants must adhere to strict health and safety plans, provide proof of insurance and workers compensation compliance, and submit a First Nation Participation Plan to track employment and training activities. Invoicing is conducted monthly with a 30-day payment term.

POSTED

DEADLINE

Water Quality and Treatment Process ConsultingThis subcontract for Water Quality and Treatment Process Consulting supports prime contractors on Municipal City water modernization projects in Monroe, Oregon. The selected consultant will provide specialized expertise in water chemistry and treatment processes, focusing on the analysis of source-water quality and the design of pretreatment strategies and membrane or ultrafiltration systems. Key deliverables include treatment process designs and comprehensive plans for DBP and TTHM mitigation, utilizing water quality sampling and laboratory analysis equipment. Qualified candidates must hold a Professional Engineer license in either Chemical or Environmental Engineering. The opportunity is categorized under NAICS code 541620 and is managed by the state of Oregon. Interested parties must submit their responses by the deadline of October 10, 2026.

POSTED

DEADLINE

Phase 1 Environmental Site Assessment (ESA) ConsultantThis subcontract opportunity is for a Phase 1 Environmental Site Assessment consultant to support prime contractors on projects for the Municipality of Clarington. The selected consultant will be responsible for evaluating Recognized Environmental Conditions through historical records reviews, site reconnaissance, visual inspections, and interviews with owners and operators, culminating in the delivery of a comprehensive Phase 1 ESA Report. Qualified candidates must hold a P.Eng or Qualified Professional designation and maintain 5 million dollars in Commercial General Liability insurance. The solicitation was posted on September 22, 2026, with a response deadline of October 14, 2026.

Municipality of Clarington

POSTED

DEADLINE

Engineering, Planning and Professional Consulting Services Roster

Solicitation # RFPQ2026-1

The Municipality of Clarington is issuing Request for Pre-Qualifications RFPQ2026-1 to establish a multidisciplinary roster of prequalified firms for engineering, planning, and professional consulting services. This specific opportunity focuses on Category 22 for Environmental Site Assessments, specifically Phase 1 and 2 assessments. The procurement is subject to CFTA, CETA, and OQTCA trade agreements, as the roster will be used for assignments with a value up to 250,000 dollars. Qualified respondents will enter into a Master Agreement for a three-year term, with the municipality holding an option for two additional one-year extensions. The selection process is a two-stage evaluation. Proponents must first meet mandatory criteria and then achieve a minimum technical score of 80 percent based on consultant experience and qualifications, project references from the last five years, and the expertise of proposed staff. Once added to the roster, consultants will be invited to a second-stage competitive process for specific deliverables. Key requirements include maintaining a Commercial General Liability insurance policy of at least 5 million dollars and ensuring all deliverables comply with the Accessibility for Ontarians with Disabilities Act. Responses must be submitted electronically through the designated Bids and Tenders portal by October 14, 2026.

Municipality of Clarington

POSTED

DEADLINE

Climate and Sustainability Strategic PlanningThis subcontract for the Municipality of Clarington involves providing professional consulting services to create sustainability frameworks and climate action plans for prime contractors. The selected provider will be responsible for developing sustainability studies and reports that adhere to AODA obligations as well as federal, provincial, and municipal regulations. Qualified candidates must hold P.Eng or RPP designations and possess the necessary professional planning software and sustainability modeling tools to deliver the required reports. The solicitation was posted on September 22, 2026, with a response deadline of October 14, 2026.

Municipality of Clarington

POSTED

DEADLINE

Cultural Resources & ArchaeologyThis subcontract opportunity is for the provision of archaeological research and cultural resource analysis for projects managed by the County of San Diego Department of Public Works. The selected provider will work with prime contractors to conduct field analysis, research, and reporting to ensure that project sites do not negatively impact historical assets. Key deliverables include the production of comprehensive archaeological survey reports and cultural resource analyses. The project is located in San Diego, California, and falls under NAICS code 541620. Interested parties must respond by the deadline of October 30, 2026, following the posting date of September 22, 2026.

San Diego County

POSTED

about 17 hours ago

DEADLINE

in about 1 month

AI Contract Overview

San Bernardino County is seeking a subcontractor for Environmental Compliance and Monitoring Services to support construction activities in San Bernardino, California. The primary scope of work involves conducting nesting bird surveys between March 15 and September 1, implementing spill prevention measures, and ensuring overall environmental compliance throughout the project duration. Interested parties must submit their responses by July 16, 2026. This opportunity falls under NAICS code 541620 and is managed by the county agency in California.

General Info

San Bernardino County seeks environmental compliance and monitoring subcontractors by July 16, 2026.

Agency

California → San Bernardino CountyView Agency

NAICS

541620 - Environmental Consulting ServicesView NAICS

Place of Performance

San Bernardino, CA, 92415, USA

Set-Aside

NONE

Documents

This scope was carved out of 20260618038.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

FONTANA TRANSPORTATION YARD-MOTORIZED GATE

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Timeline

PhaseClosed

PostedJun 19

subcontract

Response DeadlineJul 16

Deadline has passed

Submission Closed

07/16/2026, 05:00:00 PM UTC

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Organization & Contact Information

AgencyCalifornia → San Bernardino County

ContactsNo contacts available

OfficeN/A

Organization / Agency

California → San Bernardino County

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Conduct nesting bird surveys (March 15–Sept 1), implement spill prevention measures, and ensure environmental compliance during construction.

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