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

Field Sampling and Site Visit Support Services

Closed
Federal

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

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NAICS: 541620
New
Federal
B--ONYX RANCH SVRA PROJECT
Solicitation # 140G0326Q0218
Solicitation 140G0326Q0218 is a request for quotation from the Department of the Interior for advanced statistical modeling and assistance for the Onyx Ranch State Vehicle Recreation Area. The project requires a contractor to analyze a 289-hectare dataset to identify critical issues and map occurrences of invasive species, fire-prone grasses, and protected species, including the desert tortoise and western Joshua trees. Key deliverables include publication-quality figures, distribution maps, and statistical models developed using ArcGIS and various advanced methodologies such as general linear mixed effects models and k-means clustering. The estimated period of performance is from October 1, 2026, to February 28, 2027, with work performed at the vendor's facility. The award will be based on a tradeoff method, requiring contractors to demonstrate advanced statistical expertise through peer-reviewed publications from the last 15 years and proficiency in complex spatial and non-parametric analysis. Required submission documents include a signed SF 18 form, a firm fixed-price quote, a technical submission detailing qualifications, a list of prior relevant contracts with references, and a SAM UEI. Initial drafts of specific tasks are due within 60 days of award, with model drafts due within 90 days. All deliverables become government property, and invoicing must be submitted based on hourly rates and hours worked. Responses are due to the contracting officer by September 17, 2026, at 1500 PST.
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The contract is for field sampling and site visit support services aimed at conducting on-site wastewater sampling at Buffalo National River and Tyler Bend, with responsibilities including the collection, transport, and thorough documentation of samples in the field. The work will require compliance with standardized protocols to ensure accurate data and proper chain-of-custody procedures, and all activities must be performed in accordance with environmental and safety guidelines applicable to federal lands managed by the Department of the Interior. The effort supports environmental monitoring objectives under the agency’s stewardship duties and demands skilled personnel familiar with field operations in remote natural settings. This is a small business total set-aside subcontract governed by NAICS code 541620 and issued under the Department of the Interior’s Midwestern Region office, with a response deadline of May 5, 2026, at 4:00 PM. The solicitation, posted on April 27, 2026, is designed to procure specialized environmental sampling services through a competitive process restricted to small businesses, emphasizing the government’s commitment to supporting small business participation in federal contracting. All work must be performed at the specified sites, and contractors are expected to provide full logistical support including equipment, personnel, and field documentation tools necessary to fulfill the scope without disruption to park operations or environmental integrity.

General Info

Small business subcontract for field wastewater sampling at Buffalo National River and Tyler Bend under DOI, due May 5, 2026.

Agency

Department Of The Interior → Mwr OHIO(64000)View Agency

NAICS

541620 - Environmental Consulting ServicesView NAICS

Place of Performance

OH

Set-Aside

SBA

Documents

This scope was carved out of 140P6426Q0053.

The full solicitation package (6 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Q--WASTEWATER TREATMENT PLANT TESTING

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Timeline

PhaseClosed
Posted

subcontract

Response Deadline

Deadline has passed

Submission Closed

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Organization & Contact Information

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AgencyDepartment Of The Interior → Mwr OHIO(64000)
ContactsNo contacts available
OfficeN/A
Organization / Agency
Department Of The Interior → Mwr OHIO(64000)
View Agency Profile
Office AddressN/A
ContactsNo contact information available

Full Description

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Conduct on-site wastewater sampling at Buffalo National River and Tyler Bend, including sample collection, transport, and field documentation.

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