This Solicitation opportunity from California was posted on September 1, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Countywide Siting Element Compliance and Disposal Capacity Planning Consultant

Closed

20260902022State & Local

Submission Closed10/02/2026, 12:00:00 AM UTC

Contract Overview

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

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NAICS: 541620

New

SLED

ENVIRONMENTAL TRUST Comprehensive E mergency Management Plan Update & Environmental Engineering and Consulting Services

Solicitation # Environmental-Trust_RFP_FY-2027_Emergency-Plan-Update-Environmental-Services_10202026.pdf

The Confederated Tribes of the Colville Reservation is seeking professional services for a combined maximum budget of $289,497, divided into two primary functional areas. The first area, Emergency Management Planning, is capped at $150,000 and involves updating the 2014 Comprehensive Emergency Management Plan, developing Emergency Support Functions, creating hazard-specific annexes, and establishing the Tribes' first Continuity of Operations Plan and Tribal Threat and Hazard Identification and Risk Assessment. This scope also includes the development of an all-hazards tabletop exercise package and the facilitation of coordination workshops to integrate these planning components. The second area, Environmental Engineering and Consulting Services, is capped at $139,497 and focuses on technical field operations in Nespelem, Washington. Key tasks include biannual groundwater monitoring and testing at the Nespelem Post and Pole site, as well as the characterization, removal, and lawful disposal of hazardous materials at the Nespelem Recycle Center. The contractor must adhere to strict quality standards, including the use of approved Quality Assurance Project Plans and Health and Safety Plans, and provide detailed verification reports. Mandatory monthly progress reports are required for all activities, and all project communication costs must be integrated into the respective task budgets. TERO fees are handled separately by the Tribal Employment Rights Office and are not included in the scope of work budget.

Confederated Tribes of the Colville Reservation

POSTED

DEADLINE

Biological Monitoring and Environmental ConsultingThis subcontract for Biological Monitoring and Environmental Consulting supports prime contractors on public works projects for the City of Tustin. The selected provider will be responsible for conducting site biological surveys and providing continuous monitoring and reporting throughout the construction phase to ensure full environmental compliance. The scope of work includes the delivery of detailed biological monitoring reports to document findings and adherence to regulations. Interested parties must submit their responses by December 10, 2026, under NAICS code 541620 for the Public Works agency.

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Illicit Discharge Detection & Analytical MonitoringThis subcontract for Illicit Discharge Detection and Analytical Monitoring involves providing specialized field screening and laboratory analysis for prime contractors working on stormwater projects in York County, South Carolina. The scope of work includes conducting visual observations of outfalls, performing field screening monitoring, and executing source tracing to identify and eliminate illicit discharges. All water sampling must follow strict chain-of-custody procedures using field meters and sampling kits, with all laboratory analysis adhering to SCDES standards. The selected provider is responsible for delivering comprehensive field screening data, analytical laboratory results, and detailed source tracing reports. This opportunity falls under NAICS code 541620 and is managed through the South Carolina Procurement office. Interested parties must submit their responses by the deadline of December 10, 2026.

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Dry Weather Screening Program Development & ManagementThis subcontract focuses on the development and management of a Dry Weather Screening Program for stormwater projects in York County, South Carolina. The selected provider will perform technical design and regulatory compliance mapping for prime contractors, specifically ensuring adherence to SCDES NPDES General Permit requirements for SMS4 boundaries. Key technical responsibilities include the creation of a Dry Weather Screening Guidance Manual, the mapping of outfalls, the identification of priority areas, and the execution of source tracing. The contractor is responsible for managing project budgets and maintaining strict quality control throughout the engagement. Primary deliverables include the final Guidance Manual, detailed Assessment Reports, and regular Monthly Progress Reports. This effort falls under NAICS code 541620 and is managed through the South Carolina procurement system.

POSTED

DEADLINE

Consulting Services for the Development and Implementation of a Dry Weather Screening Program

Solicitation # 3062

York County, South Carolina, is soliciting proposals for consulting services to develop and implement a Dry Weather Screening Program. This initiative is required to fulfill the South Carolina Department of Environmental Services NPDES General Permit for regulated small Municipal Separate Storm Sewer Systems (SMS4). The selected consultant will be responsible for creating a technical guidance manual, verifying and updating the storm sewer system outfall map and GIS data, conducting field screening and analytical monitoring to detect illicit discharges, and providing an assessment report and staff training. All field screening must be performed after at least 72 hours of dry conditions following a rainfall of 0.10 inches or more, and the final program must be integrated into the County's Illicit Discharge Detection and Elimination Program and Stormwater Management Plan. The procurement process involves a selection committee that evaluates proposals based on past performance, personnel experience, project approach, and costs. Technical proposals are scored first, followed by the opening and integration of the cost proposal. Short-listed firms may be required to provide oral and visual presentations. The contract includes a non-appropriation clause, requires compliance with Title VI of the Civil Rights Act of 1964 and Section 504 disability accommodations, and mandates that all materials produced belong exclusively to York County. Proposals must be submitted via the OpenGov portal or delivered to the York County Procurement Department by the specified deadline, with quoted prices remaining valid for 90 days.

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Dining Sustainability ServicesThis subcontract for Dining Sustainability Services at Georgia College and State University focuses on the auditing and implementation of sustainability initiatives for prime contractors. The selected provider will be responsible for developing strategies to reduce the dining program's carbon footprint, implementing waste reduction measures, and tracking overall progress toward established performance goals. Key deliverables include the creation of comprehensive sustainability reports, detailed waste reduction plans, and the execution of various green initiatives. Interested parties should note the response deadline of December 17, 2026, for this project categorized under NAICS code 541620.

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Finance Facilities Maintenance

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Water Treatment Chemical Technical ServicesThe Water Treatment Chemical Technical Services subcontract involves providing specialized technical consulting for prime contractors working on City of McAllen Public Utility water treatment projects. The selected provider must possess professional expertise in coagulation and flocculation processes to deliver critical technical support. Key responsibilities include assigning a Service Technician Representative to adjust feed rates to meet turbidity goals based on raw water quality. In addition to routine consulting, the contractor is required to respond to emergency technical calls within 24 hours using specialized water quality testing equipment. This engagement falls under NAICS code 541620 and is associated with the City of McAllen in Texas, with a response deadline set for January 21, 2027.

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Hazardous Materials Inspection and InventoryThis subcontract, managed by DAS Procurement for the State of Connecticut, involves the inspection and inventory of hazardous building materials for prime contractors working on state facility projects. The primary scope of work requires the identification and cataloging of hazardous substances, specifically asbestos and lead, in accordance with Section 50 30 00. The final deliverable for these services is a comprehensive hazardous materials inventory report. The opportunity is categorized under NAICS code 541620 and was posted on October 28, 2026. Interested parties must submit their responses by the deadline of December 16, 2026, at 3:00 PM. Further information and submission details can be accessed through the CTSource Bid Board portal.

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DEADLINE

Environmental and Technical Due DiligenceThis subcontract for Environmental and Technical Due Diligence involves performing technical inspections and environmental assessments for prime contractors managing Texas Department of Banking real estate sale projects. The scope of work includes conducting Phase I Environmental Site Assessments, property condition assessments, and structural evaluations of buildings and parking areas through the use of structural testing tools and environmental sampling. Qualified providers must hold Professional Engineer or Licensed Environmental Professional certification to deliver the required Phase I ESA and Property Condition Reports. The opportunity is categorized under NAICS code 541620, with a response deadline set for November 19, 2026.

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POSTED

DEADLINE

Environmental Consultant (CDBG Compliance)The City of Alamo is seeking an Environmental Consultant for a subcontract to perform environmental reviews and assessments for prime contractors on CDBG-funded infrastructure projects. The selected consultant will be responsible for conducting environmental screenings, identifying potential impacts related to sewerage improvements, and preparing the necessary documentation for the CDBG application process. Final deliverables include comprehensive environmental assessment reports or compliance certifications. Qualified candidates must possess specific experience with Georgia Department of Community Affairs grant programs as well as CDBG, EIP, and RDF requirements. This opportunity falls under NAICS code 541620, with a response deadline set for November 30, 2026.

City of Alamo

POSTED

about 19 hours ago

DEADLINE

in about 1 month

AI Contract Overview

The County of San Mateo in California is seeking a professional consultant for Countywide Siting Element Compliance and Disposal Capacity Planning under solicitation number 20260902022. This project, categorized under NAICS code 541620 for environmental consulting, will be performed in Redwood City, California. Interested parties must submit their responses by the deadline of October 2, 2026. Primary points of contact for this solicitation are Gerald Schwartz and Amy Bayley.

General Info

San Mateo County seeks environmental consultants for siting compliance and disposal planning by 10/02/2026.

Agency

California → County of San Mateo

NAICS

541620 - Environmental Consulting Services

Place of Performance

CA, USA

Set-Aside

NONE

Documents

Appendix B Fee Proposal Template

fee-proposal-template

High

Exhibit B - Fee Schedule and Invoice Requirements

sow

High

RFP No. 2027-RFP00018 – Countywide Siting Element Compliance and Disposal Capacity Planning Consultant

22 pages · rfp

High

RFP No. 2027-RFP-00018 Countywide Siting Element Compliance Consultant

rfp

High

RFP No. 2027-RFP-00018 Countywide Siting Element Consultant

rfp

High

Standard Contract Template Over $200K Draft - San Mateo County

20 pages · contract-document

High

Standard Contract Template Under $200K Draft - San Mateo County

20 pages · contract-document

High

RFP_Fee_Proposal_2026_.zip

AI Contract Breakdown

Uniform Contract Format

Timeline

PhaseClosed

PostedSep 1

Solicitation

Response DeadlineOct 2

Deadline has passed

Submission Closed

10/02/2026, 12:00:00 AM UTC

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Organization & Contact Information

AgencyCalifornia → County of San Mateo

Contacts2 people available

OfficeRedwood City, CA, 94063, USA

Organization / AgencyCalifornia → County of San Mateo

Office AddressRedwood City, CA, 94063, USA

Contacts

Gerald SchwartzResource Conservation Specialist III

contact@example.gov

+1 (555) 000-0000

Amy BayleyAdministrative Assistant II

contact@example.gov

+1 (555) 000-0000

Interested Companies (12)

EntramPORT CHARLOTTE, FL

Biogas EngineeringLong Beach, CA

R3 Consulting GroupRoseville, CA

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Full Description

California's Countywide Siting Element requirements are tied to the Countywide Integrated Waste Management Plan. CalRecycle guidance states that the Siting Element may need to be revised when a county has less than 15 years of disposal capacity and the existing element does not include an adequate strategy for obtaining 15 years of disposal capacity. Counties must also maintain documentation supporting the method and data sources used to estimate disposal capacity. Public Resources Code Section 41701 also requires the county's Siting Element to identify areas for new disposal or transformation facilities, or expansion of existing facilities, if existing capacity will be exhausted within 15 years or additional capacity is desired.