This Government Contract opportunity from California was posted on July 23, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

Top

Hydraulic Modeling and Water System Analysis

Closed

State & Local

Submission Closed08/25/2026, 09:00:00 PM UTC

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

SLED

Specialized Compliance & Energy Services

POSTED

DEADLINE

Hazardous Materials Monitoring/Abatement

Vancouver Island Regional Library

POSTED

DEADLINE

Sustainability & LEED Consulting

Healthcare Materials Management Services (HMMS)

POSTED

DEADLINE

Environmental & Demolition Consulting

Healthcare Materials Management Services (HMMS)

POSTED

DEADLINE

Environmental & Social Impact Assessment

North Lincolnshire Council

POSTED

DEADLINE

Environmental Impact and Permitting Services

POSTED

DEADLINE

Landscape & Environmental Planning SpecialistThe City of Cambridge is seeking a Landscape and Environmental Planning Specialist for a subcontract to establish comprehensive landscape and ecological standards for prime contractors on city development projects. The selected specialist will be responsible for drafting neighborhood and thoroughfare tree standards and integrating ecological health and FEMA floodproofing requirements into the city-wide code. The primary deliverable for this engagement is the completion of the Landscape Standards section of the Development Code. Qualified candidates must possess specialized expertise in urban forestry and flood-plain management to ensure all environmental regulations are met. Interested parties should note that the response deadline for this opportunity is December 1, 2026.

POSTED

DEADLINE

Safety & Risk ConsultancyThis subcontract for Safety and Risk Consultancy involves providing specialized safety services for prime contractors operating on HS1 Ltd projects at London St. Pancras Highspeed. The selected provider will be responsible for conducting comprehensive safety audits and risk assessments to ensure strict adherence to rail safety regulations, utilizing dedicated risk assessment software. Key deliverables include the production of detailed safety reports, risk registers, and formal compliance certifications. Qualified candidates must hold recognized health and safety certifications, such as NEBOSH or IOSH. The opportunity was posted on October 29, 2026, with a response deadline set for March 9, 2027. This engagement falls under NAICS code 541620, focusing on environmental and pollution abatement consulting services within the rail infrastructure sector.

HS1 Ltd (t/a London St. Pancras Highspeed)

POSTED

DEADLINE

Ergonomic Workstation Evaluation ServicesThis subcontract opportunity is for Ergonomic Workstation Evaluation Services to support prime contractors on City of Roseville projects in Roseville, California. The selected provider will be responsible for performing professional ergonomic assessments of workstations, identifying specific deficiencies in configuration, and offering expert recommendations for equipment adjustments or space planning guidance. Qualified candidates must possess demonstrated experience in conducting ergonomic evaluations and are expected to deliver detailed assessment reports and equipment suggestions. The solicitation was posted on October 29, 2026, with a response deadline of December 1, 2026. This requirement falls under NAICS code 541620.

POSTED

DEADLINE

Waste Management Technical ConsultantThe Waste Management Technical Consultant subcontract involves providing specialized technical expertise in resource recovery and waste stream management for prime contractors working on Somerset Council projects. The selected consultant will be responsible for analyzing current waste capacity and utilizing waste stream modeling software to forecast future requirements for the period between 2029 and 2044, ultimately identifying the most effective management strategies. Key deliverables for this engagement include the production of detailed technical reports regarding waste capacity and strategic management. To qualify for this role, candidates must hold a CIWM certification or an equivalent professional qualification. The solicitation was posted on October 29, 2026, with a response deadline set for November 30, 2026.

POSTED

DEADLINE

Environmental Consultancy ServicesThis subcontract for Environmental Consultancy Services involves providing specialized environmental analysis and impact assessments for prime contractors working on Somerset Council projects. The scope of work includes conducting environmental baseline studies, evaluating the effects of waste sites and mineral extraction on local ecosystems, and drafting necessary environmental protection clauses. To ensure precision, the consultant will utilize GIS for mapping environmental constraints and must strictly adhere to established Environmental Impact Assessment standards to deliver comprehensive reports and sustainability recommendations. The opportunity was posted on October 29, 2026, with a response deadline of November 30, 2026. Classified under NAICS code 541620, the contract is managed by the Somerset Council. Interested parties can find further details through the provided government tender link.

POSTED

DEADLINE

Minerals and Waste Consultancy

Solicitation # ERFX1003594

Somerset Council is seeking a consultancy provider under solicitation ERFX1003594 to support the drafting of the new Minerals and Waste Plan. This strategic plan will define the supply of minerals and the management of waste for the period 2029-2044, ensuring the protection of local communities and the environment over the next 15 years. The contract has an estimated total value of 400,000 GBP excluding VAT and is expected to run for an initial term of 33 months, starting January 28, 2027, and ending October 28, 2029, with a potential extension to April 28, 2030, depending on planning inspectorate availability. The procurement follows an open procedure with a submission deadline of November 30, 2026, via the ProActis portal. Award decisions will be based on a weighted evaluation consisting of price at 60 percent, quality at 30 percent, and social value at 10 percent. The successful contractor will provide specialized consulting services categorized under CPV 71800000 to deliver the comprehensive plan within the Somerset region.

Somerset Council

POSTED

about 7 hours ago

DEADLINE

in about 1 month

AI Contract Overview

The City of Corona Utilities Department in California is seeking a subcontractor for a project titled Hydraulic Modeling and Water System Analysis. The primary objective of this contract is the development of hydraulic models using EPANET software to simulate flow, pressure, and water quality impacts specifically associated with waterline replacement activities. This opportunity is categorized under NAICS code 541620 and will be performed in Corona, California. Interested parties must submit their responses by the deadline of August 25, 2026.

General Info

City of Corona seeks subcontractor for EPANET hydraulic modeling by August 25, 2026.

Agency

California → City of Corona Utilities Department

NAICS

541620 - Environmental Consulting Services

Place of Performance

Corona, CA, 92882, USA

Set-Aside

NONE

Documents

This scope was carved out of 27-006SB.

The full solicitation package (14 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

Grand Quadrant Waterline Replacement

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

PostedJul 23

subcontract

Response DeadlineAug 25

Deadline has passed

Submission Closed

08/25/2026, 09:00:00 PM UTC

Find active opportunities like this

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

Organization & Contact Information

AgencyCalifornia → City of Corona Utilities Department

ContactsNo contacts available

OfficeN/A

Organization / AgencyCalifornia → City of Corona Utilities Department

Office AddressN/A

ContactsNo contact information available

Full Description

Develop hydraulic models using EPANET to simulate flow, pressure, and water quality impacts during waterline replacement.

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

Join 750+ contractors already using CLEATUS