Skip to main contentPsst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveFree Webinar — Wednesday, December 9 at 2:00 PM ET

Register Free →
CLEATUS
Get CLEATUS

This Subcontract opportunity from Department Of Defense was posted on August 27, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Environmental Biological Monitor

Closed
Federal

Contract Overview

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

Active Opportunities Like This One

NAICS: 541620
New
International
Environmental Monitoring and GIS Reporting
Regional District of East Kootenay

POSTED

about 4 hours ago

DEADLINE

in 20 days
NAICS: 541620
New
SLED
Needs Assessment & Evaluation Framework
Gwinnett County Government

POSTED

about 5 hours ago

DEADLINE

in about 1 month
NAICS: 541620
New
SLED
Stream Mitigation Credit Provider
Loudoun County

POSTED

about 5 hours ago

DEADLINE

in about 1 month
NAICS: 541620
New
SLED
Purchase of Stream Mitigation Credits for Lightridge Park, RFQ 719029
Solicitation # RFQ 719029
Loudoun County, Virginia, is soliciting bids under RFQ 719029 for the purchase of an estimated 450 stream mitigation credits to provide compensatory mitigation for stream impacts associated with the construction of Lightridge Park. To be eligible, bidders must be owners or authorized representatives of mitigation banks approved by the U.S. Army Corps of Engineers (USACE) and the Virginia Department of Environmental Quality (DEQ). Credits must be calculated using the Unified Stream Methodology (USM) or Stream Condition Units (SCUs) and must be released and available for sale at the time of bid opening. Furthermore, the bank's approved service area must include the Upper Bull Run watershed, specifically Hydrologic Unit Code (HUC) 020700100701. The final quantity of credits will be determined by the requirements of USACE State Program General Permit No. NAO-2026-01685 and DEQ Virginia Water Protection Permit No. WP4-26-1792. The contract will be awarded to the lowest responsive and responsible bidders based on unit cost, with the County reserving the right to award multiple contracts if a single bidder cannot provide the full quantity of credits. Bids must be submitted by December 15, 2026, and must include a W-9 form and Proof of Authority to Transact Business in Virginia. Required submissions include one physical hard copy and one electronic PDF copy on a USB flash drive. Upon award, the contractor must provide a written letter of credit availability and an executed purchase agreement within seven calendar days of the purchase order, followed by a Bill of Sale and verification of conveyance to USACE and DEQ within ten calendar days of payment.
Loudoun County

POSTED

about 5 hours ago

DEADLINE

in about 1 month
NAICS: 541620
New
International
Environmental Protection and Silt Control
County of Renfrew

POSTED

about 6 hours ago

DEADLINE

in 20 days
NAICS: 541620
New
International
GNSS Vulnerability and OT Systems Research
Government of Canada / Gouvernement du Canada

POSTED

about 7 hours ago

DEADLINE

in about 1 month
NAICS: 541620
New
International
Construction Project Management & Site Supervision
Peabody Trust

POSTED

about 10 hours ago

DEADLINE

N/A
NAICS: 541620
New
International
Play Area Safety Inspections and CertificationThis subcontract for Play Area Safety Inspections and Certification involves providing professional safety audits and inspections of play equipment for prime contractors working on Bedford Borough Council projects. The selected provider will be responsible for conducting both annual and quarterly inspections to identify potential hazards and defects, ensuring all equipment adheres strictly to BS EN 1176 and BS EN 1177 standards. To qualify for this engagement, the provider must hold RPII certification or an equivalent professional qualification. The primary deliverables include the submission of signed safety inspection reports and formal certification confirming the safety of the equipment. Interested parties must respond by November 30, 2026.
Bedford Borough Council

POSTED

about 11 hours ago

DEADLINE

in 16 days
NAICS: 541620
New
SLED
Environmental Review and CoordinationThis subcontract for Environmental Review and Coordination involves performing critical environmental assessments for prime contractors working on HUD Commercial Driver License Training and Examination Center projects for Polk County, Texas. The selected provider will be responsible for identifying HUD Part 50 and Part 58 pathways, coordinating necessary environmental studies, and securing all required approvals. A primary focus of the role is to maintain a detailed status matrix of environmental requirements and monitor restrictions on choice-limiting actions to ensure projects are not prematurely committed. The final deliverables for this engagement include comprehensive environmental review documentation, an updated status matrix, and official approved environmental clearances. This opportunity falls under NAICS code 541620 and was posted on November 13, 2026, with a response deadline of November 30, 2026.
Polk County

POSTED

about 11 hours ago

DEADLINE

in 17 days
NAICS: 541620
New
International
Traffic Monitoring Services (Field Operations)
West Yorkshire Combined Authority

POSTED

about 11 hours ago

DEADLINE

in 28 days
NAICS: 541620
New
SLED
Wetland Mitigation Credit ProviderThis subcontract opportunity with the South Dakota State Government seeks a recognized mitigation bank entity to provide certified wetland mitigation credits for prime contractors working on state transportation projects. The scope specifically includes project PCN 01VA – 08DJ – 08DK as well as other initiatives listed in the State Transportation Improvement Program. All provided credits must strictly adhere to USACE 404 Permit and EO11990 standards to ensure environmental compliance. The selected provider is required to maintain Commercial General Liability insurance of at least 1,000,000 dollars. Key deliverables for the contract include the provision of a Bill of Sale and the necessary notifications of acceptance from the USACE and FHWA. Interested parties must submit their responses by December 3, 2026.
South Dakota State Government

POSTED

about 11 hours ago

DEADLINE

in 20 days
NAICS: 541620
New
SLED
Urban Design and Historic Preservation ConsultantThe Spalding County Board of Commissioners in Georgia is seeking an Urban Design and Historic Preservation Consultant for a subcontracting opportunity. The selected consultant will be responsible for establishing visual and physical standards for the built environment to guide prime contractors on county projects. Key deliverables include the creation of form-based codes and historic preservation standards, as well as the production of supporting graphics, illustrations, and diagrams to help visualize Unified Development Ordinance requirements. Qualified candidates must possess specialized expertise in urban design, historic preservation, or form-based coding. This opportunity was posted on November 13, 2026, with a response deadline of December 15, 2026. The project falls under NAICS code 541620 and focuses on enhancing the architectural and historical integrity of the local environment through detailed design standards and visual documentation.
Spalding County Board of Commissioners

POSTED

about 12 hours ago

DEADLINE

in about 1 month

AI Contract Overview

Show more

This subcontract opportunity for an Environmental Biological Monitor involves providing professional biological monitoring services for prime contractors operating within the San Dimas Experimental Forest. The selected provider will be responsible for conducting surveys and monitoring bats, raptors, migratory birds, and native plants utilizing established USFWS and CDFW techniques. Key deliverables include the production of biological monitoring reports and the provision of on-site compliance oversight to ensure environmental standards are met. Qualified candidates must possess a Bachelor's degree in Biology or a related field along with at least three years of professional field experience. This opportunity is designated as a Total Small Business Set Aside under NAICS code 541620 and is associated with the Department of Defense, specifically W075 Endist Sacramento. The work will be performed in Riverside, California, with a response deadline of September 22, 2026.

General Info

Biological monitoring services for San Dimas Experimental Forest, due September 22, 2026.

Agency

Department Of Defense → W075 Endist Sacramento

NAICS

541620 - Environmental Consulting Services

Place of Performance

Riverside, CA, 92507, USA

Set-Aside

SBA

Documents

This scope was carved out of W9123826QA035.

The full solicitation package (12 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

IIS USFS Tanbark Hazard Tree Removal

AI Contract Breakdown

Uniform Contract Format

No documents to break down

The breakdown needs solicitation documents. None were found from this contract's source.

Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

Find active opportunities like this

Get full access to discover similar active contracts, track opportunities, and build proposals with AI assistance.

Organization & Contact Information

Show more
AgencyDepartment Of Defense → W075 Endist Sacramento
ContactsNo contacts available
OfficeN/A
Organization / AgencyDepartment Of Defense → W075 Endist Sacramento
Office AddressN/A
ContactsNo contact information available

Full Description

Show more
Provides professional biological monitoring for prime contractors on USFS projects in the San Dimas Experimental Forest. Surveys and monitors for bats, raptors, migratory birds, and native plants using USFWS and CDFW techniques. Requires a Bachelor's degree in Biology or related field and 3 years of field experience. Delivers biological monitoring reports and on-site compliance oversight.

More opportunities from Department Of Defense → W075 Endist Sacramento

Same awarding agency

NAICS: 237990
New
Federal
USACE SPK DBB Construction - LAR C3B South - Sacramento, CA
Solicitation # W9123827BA002
The United States Army Corps of Engineers Sacramento District anticipates a design-bid-build construction requirement for the Lower American River Contract 3B South project in Sacramento, California. This effort focuses on erosion control and levee strengthening along approximately 1.5 miles of the south bank, extending from Watt Avenue upstream toward Mayhew Drain. The scope of work includes constructing launchable rock toes and trenches, installing bank protection and tie-backs, regrading riverbank slopes, and placing instream wood structures on planting benches. The project is organized into four phases: tree clearing and transplant, two years of erosion protection, and a final greening phase. In-water work is restricted to the window between July and October. The government estimates a target price range between 45 million and 60 million dollars, with a construction period of 510 calendar days. The requirement is anticipated to be a small business set-aside under NAICS 237990, solicited as a firm-fixed price contract via an Invitation for Bids in October 2026. Key compliance requirements include CMMC Level 1 Self Certification, E-Verify participation, and the requirement for the successful offeror to enter into a Project Labor Agreement. Bidders must be registered in both SAM and the Procurement Integrated Enterprise Environment. Notably, the project is subject to pending litigation that currently prohibits ground or vegetation disturbing activities; therefore, the government reserves the right to delay or cancel the solicitation without liability.
Other Heavy and Civil Engineering Construction

POSTED

about 14 hours ago

DEADLINE

in about 1 month
View Details
NAICS: 562910
New
Federal
USACE SPK DBB Construction - Sacramento River East Levee Contract 5 (SREL C5), Sacramento, California
Solicitation # W9123827X1CQR
The United States Army Corps of Engineers Sacramento District anticipates a levee repair and remediation project for approximately 0.4 miles of the Sacramento River East Levee south of downtown Sacramento, California. This potential firm-fixed-price contract, identified by solicitation number W9123827X1CQR, has an estimated construction magnitude between $6,000,000 and $9,000,000. The scope of work includes the construction of seepage and stability berms and buried curb walls, utility research and replacement, and comprehensive earthwork involving the import, reuse, and disposal of soils. The contractor will be responsible for all labor, materials, equipment, and quality control, with an estimated performance period of 411 calendar days from the Notice to Proceed. The project is anticipated to be a total small business set-aside under NAICS code 237990, with a size standard of $45,000,000. A critical security requirement mandates that all contractor and subcontractor personnel must be United States citizens to obtain necessary Department of War personnel security clearances. The solicitation is expected to be issued in late November 2026 via SAM.gov, with bids tentatively due in late December 2026. Interested vendors must be registered in both SAM and the Procurement Integrated Enterprise Environment to access solicitation documents and plans.
Remediation Services

POSTED

1 day ago

DEADLINE

in 7 days
View Details
NAICS: 237990
New
Federal
USACE SPK DBB Construction - LAR C3B North - Sacramento, CA
Solicitation # W9123827BA001
Solicitation W9123827BA001 is a 100% small business set-aside for the Lower American River Contract 3B North project in Sacramento, California. Managed by the US Army Corps of Engineers, this firm-fixed-price contract has an estimated target price range between $45,000,000 and $60,000,000. The project focuses on erosion protection along the north bank of the American River Parkway, specifically at Site 3-1 and Site 4-2. The scope of work includes excavation, embankment regrading, installation of soil-filled rock slope protection, construction of buried launchable rock toes and overbank trenches, and the development of planting benches integrated with instream woody material. Additional requirements include the import and placement of riprap, structural tie-ins with existing rock revetment, and complete temporary site stabilization. The contract has a performance period of 760 calendar days from the date of the Notice to Proceed. Award will be based on the lowest-priced offer from a responsive and responsible offeror. Contractors must comply with the Davis-Bacon Act for prevailing wages and adhere to strict safety and environmental standards, including the use of secondary containment for hazardous materials and the implementation of cultural resource monitoring plans. Administrative tasks, including pay requests and certified payrolls, must be managed through the Resident Management System. Final acceptance of the work is contingent upon a successful inspection by the Contracting Officer and the resolution of all punch list deficiencies.
Other Heavy and Civil Engineering Construction

POSTED

4 days ago

DEADLINE

in about 1 month
View Details
NAICS: 562910
Federal
Presolicitation Notice for Environmental Remediation Services Multiple Award Task Order Contract (MATOC) with Concurrent Seed Project (Carrington Island MRS)
Solicitation # W9123827RA002
The U.S. Army Corps of Engineers, Sacramento District, is seeking proposals for a Multiple Award Task Order Contract for Environmental Remediation Services. This unrestricted solicitation with a small business reserve aims to establish a pool of approximately seven indefinite delivery/indefinite quantity contracts, with four to six reserved for small businesses and one to three for large businesses. The program has a total ceiling of 230.5 million dollars over a 5.5-year ordering period and covers a broad scope of activities, including hazardous, toxic, and radioactive waste remediation, military munitions response, and the cleanup of emerging contaminants such as PFAS. A significant feature of this acquisition is a concurrent funded seed project for the Carrington Island Precision Bombing Range Munitions Response Site, which involves the investigation, excavation, and remediation of munitions and debris. The offeror providing the best overall value for this seed project will receive a firm-fixed-price task order alongside their basic contract, while other pool awardees will receive a minimum guarantee of 2,500 dollars. The request for proposals is anticipated for release around November 20, 2026, and will be managed exclusively through the PIEE Solicitation Module.
Remediation Services

POSTED

9 days ago

DEADLINE

N/A
View Details
NAICS: 531120
Federal
U.S. Government Space Required: St. George, UT
Solicitation # DACW055270002100
The U.S. Government is seeking a full-service lease for professional office space in St. George, Utah, as its current lease is expiring. The requirement specifies a minimum of 10,000 and a maximum of 10,500 rentable square feet for a term not to exceed nine months, including government termination rights. The property must be located within a specific delineated area bounded by W Telegraph St to the north, 300 E St to the east, Industrial Rd and S Deseret Dr to the south, and N 3050 E to S Green Spring Dr to the west. Additionally, the site must provide a dedicated secured parking area for government vehicles and equipment between 2 and 3 acres, accessible 24 hours a day, 7 days a week. Interested building owners or exclusive representatives must submit their responses electronically to Madison Devine of the U.S. Army Corps of Engineers by 4:00 PM PST on November 20, 2026. Representatives are required to provide an exclusivity agreement, representation letter, or listing contract. This notice serves as an advertisement to identify potential space and does not constitute a formal Request for Lease Proposals or a solicitation for offers.
Lessors of Nonresidential Buildings (except Miniwarehouses)

POSTED

9 days ago

DEADLINE

in 7 days
View Details
NAICS: 236220
Federal
South Pacific Division FY27 Other Transaction Authority Project Forecast
Solicitation # W9123827S0OTA
The U.S. Army Corps of Engineers, South Pacific Division, has issued a special notice providing advance awareness of potential fiscal year 2027 military construction projects. These projects may be implemented using Other Transaction Authority across the Albuquerque, Sacramento, and Los Angeles Districts. The forecast includes a wide range of construction and renovation efforts, such as dormitory updates, maintenance facilities, and specialized operational buildings at various Air Force Bases and military installations in New Mexico, Utah, California, Nevada, and Arizona. Estimated project values vary significantly, ranging from small scale repairs at 5 million dollars to a high speed test track valued up to 500 million dollars. This notice is strictly for informational and planning purposes and does not constitute a solicitation or request for proposals. The government is not seeking capability statements or feedback at this time, and any future formal actions will be announced separately through official government channels.
Commercial and Institutional Building Construction

POSTED

9 days ago

DEADLINE

in 27 days
View Details
NAICS: 561710
Federal
Pine Flat Rodent Abatement
Solicitation # W9123827QA001
Solicitation W9123827QA001 is a total small business set-aside for rodent abatement services at Pine Flat Lake Park Headquarters, Pine Flat Dam, and associated campgrounds in Fresno County, California. Managed by the Department of Defense through the Army Corps of Engineers Sacramento District, the contract requires the contractor to provide all labor, materials, and equipment to control populations of ground squirrels, gophers, rabbits, mice, and rats. The project is structured as a firm-fixed-price contract consisting of a base year and four option years. Award will be based on the Lowest Price Technically Acceptable (LPTA) evaluation of the grand total for the base period plus all option years. Technical requirements include a mandatory 90 percent rodent kill rate, with failure to meet this standard requiring the contractor to reperform services at no additional cost to the government. Contractors must hold a valid California Pest Control Certification and adhere to EM 385-1-1 safety standards, providing an Accident Prevention Plan and Safety Data Sheets during the pre-work meeting. Performance is monitored via a Quality Assurance Surveillance Plan, and non-compliance may result in Contract Discrepancy Reports or Cure Notices. Quotes are due by December 8, 2026, and all inquiries must be submitted in writing by November 24, 2026.
Exterminating and Pest Control Services

POSTED

11 days ago

DEADLINE

in 25 days
View Details
NAICS: 237990
Federal
USACE SPK DB Construction - Natomas NPP Named Pumping Plants - Sacramento, CA
Solicitation # W9123826BA013
The USACE SPK is soliciting firm-fixed-price design-bid-build construction services to renovate three critical irrigation pumping stations—Elkhorn, Riverside, and Pritchard—located along the Garden Highway Levee in Sacramento, California. The primary scope of work involves removing existing discharge piping that penetrates the levees and installing new piping that traverses over them to connect to landside irrigation canals. Additional requirements include levee excavation, backfilling, pavement restoration, utility relocation, and the disposal of approximately 7,700 cubic yards of unsuitable soil. The project is estimated to cost between $10,000,000 and $15,000,000, with a total period of performance of 1,095 calendar days from the notice to proceed. This requirement is pursued through full and open competition without a set-aside, utilizing NAICS code 237110. Award will be granted to the responsive and responsible offeror providing the lowest total price for all contract line items. Bids must be submitted electronically via the PIEE website in PDF format. Key contractual obligations include compliance with the Davis-Bacon Act, the provision of performance and payment bonds, and adherence to strict quality standards for welding and materials. Contract administration will be managed through the Resident Management System for invoicing and payroll, and liquidated damages are set at $4,860.00 for each calendar day of delay.
Other Heavy and Civil Engineering Construction

POSTED

12 days ago

DEADLINE

in 4 days
View Details
NAICS: 562910
Federal
Remedial Investigation (RI) and Optional Feasibility Study (FS) for Per- and Polyfluoroalkyl Substances (PFAS)
Solicitation # W9123826X1CUS
This Sources Sought Notice is for market research to determine the availability and capability of small businesses for a potential five-year, firm-fixed-price contract involving Remedial Investigation and an optional Feasibility Study for Per- and Polyfluoroalkyl Substances (PFAS). The project falls under NAICS code 562910 and is governed by CERCLA and the Federal Facilities Agreement. The government is specifically seeking capability statements from various small business categories, including HUBZone, WOSB, SDVOSB, VOSB, and 8(a) concerns, to decide if the acquisition should be a small business set-aside or an unrestricted competition. The scope of work includes regulatory and data governance, field characterization, and waste management, specifically requiring expertise in subsurface drilling, groundwater monitoring, and strict PFAS cross-contamination mitigation. Contractors must be capable of conducting specialized comparative studies on sampling techniques and Granular Activated Carbon plant efficacy. Key deliverables include UFP-QAPP addenda, a comprehensive Remedial Investigation report featuring 3D modeling and risk assessments, and a Feasibility Study. Interested parties must submit a capability statement of no more than 10 pages by November 30, 2026.
Remediation Services

POSTED

17 days ago

DEADLINE

in 17 days
View Details
NAICS: 423610
Federal
Rodent Control Supplies and BaitsThis subcontract opportunity, issued by the Department of Defense through W075 Endist Sacramento, involves the provision of specialized rodent control supplies and baits for prime contractors working on government pest control projects. The scope of work includes the delivery of commercial-grade rodenticides, gopher traps, and rabbit control materials to designated project sites or contractor facilities. All chemical agents must be accompanied by Material Safety Data Sheets and must strictly adhere to government environmental and safety standards, particularly for application in sensitive park and dam environments. The contract is designated as a Total Small Business Set Aside under NAICS code 423610. Interested parties must submit their responses by December 8, 2026. Performance of the contract will take place in the 93657 zip code area, focusing on the physical delivery of essential pest control materials to support government infrastructure maintenance.
Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

POSTED

18 days ago

DEADLINE

in 25 days
View Details
NAICS: 561710
Federal
Rodent Abatement and Control ServicesThis subcontract for Rodent Abatement and Control Services, issued by the Department of Defense via the W075 Endist Sacramento, focuses on the population control of gophers, ground squirrels, and rabbits. The work is performed for prime contractors at several government facility projects, including Pine Flat Dam, Pine Flat Lake Park Headquarters, Trimmer Campground, Island Park Campground, and Deer Creek Point Group Areas. The selected provider must utilize specialized traps, baits, or fumigation equipment and is required to hold state-level pesticide applicator licenses to deliver abated populations and detailed service reports. The opportunity is designated as a Total Small Business Set Aside under NAICS code 561710. Interested parties must submit their responses by December 8, 2026. The place of performance is located in the 93657 zip code area.
Exterminating and Pest Control Services

POSTED

18 days ago

DEADLINE

in 25 days
View Details
NAICS: 236220
Federal
$465M SPK SMALL BUSINESS MATOC FOR DBB/DB CONSTRUCTION
Solicitation # W9123827RA005
The USACE Sacramento District is soliciting a Total Small Business Set-Aside Multiple Award Task Order Contract (MATOC) for Design-Build (DB) and Design-Bid-Build (DBB) vertical construction services. The total contract value is 465 million dollars, with a base period from April 1, 2028, to March 31, 2032, and an optional three-year extension through March 31, 2035. This firm, fixed-price contract is restricted to small businesses under NAICS code 236220, with a size standard of 45 million dollars in average annual receipts. The scope includes a broad range of vertical and incidental horizontal construction projects, requiring compliance with UFC 4-010-06 for facility-related control systems and strict adherence to EPA and DOT regulations for the handling and disposal of Polychlorinated Biphenyls (PCBs). The award process consists of a two-phase evaluation. Phase One focuses exclusively on past performance to select up to ten offerors for Phase Two. The final selection is based on a best-value tradeoff, where non-price factors—including organization, management, and quality control—are significantly more important than price. Required key personnel include an On-Site Project Superintendent, CQS System Manager, Design Coordination Manager, and Construction Quality Control Manager. Contractors must be registered in SAM.gov and PIEE, and are required to provide performance and payment bonds. Invoicing will be managed through the Wide Area WorkFlow (WAWF) system or the Resident Management System using ENG Form 93. Proposals must be submitted as a single PDF by December 2, 2026.
Commercial and Institutional Building Construction

POSTED

19 days ago

DEADLINE

in 19 days
View Details

Find Active Opportunities Like This

Get AI-powered intelligence on the opportunities still open

Every page of the solicitation package shredded into a compliance breakdown

AI-powered matching based on your capabilities and past performance

Competitor and incumbent history on the requirement

Automated alerts on amendments, Q&A deadlines, and award

Get full access
Miguel
Hillary
Keith Deutsch
Christine

Join 750+ contractors already using CLEATUS