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

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, August 19 at 2:00 PM EDT

Register Free →

Search

Top

Back to Contracts

Phosphorus Inactivation Treatment Application (Alum/Lanthanum)

Active

State & Local

Response Deadline08/28/2026, 09:00:00 PM UTC

Contract Overview

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

AI Contract Overview

Show more

The City of Shoreline is seeking a subcontractor for a phosphorus inactivation treatment project at Echo Lake. The scope of work involves the application of either alum or lanthanum-modified clay to sequester phosphorus, which includes the execution of dosing, continuous real-time monitoring of water chemistry, and final post-application verification to ensure effectiveness. This subcontract opportunity was posted on August 12, 2026, with a response deadline of August 28, 2026. The project falls under NAICS code 562910 and is managed by the City of Shoreline in Washington.

General Info

City of Shoreline seeks subcontractor for Echo Lake phosphorus inactivation treatment by August 28.

Agency

Washington → City of ShorelineView Agency

NAICS

562910 - Remediation ServicesView NAICS

Place of Performance

WA, USA

Set-Aside

NONE

Documents

This scope was carved out of 1398042.

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

View the prime solicitation

Echo Lake In-Lake Phosphorus Treatment and Water Quality Monitoring Services

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

Cannot generate Contract Breakdown because no documents were found from this contract's source.

Timeline

PostedAug 12

subcontract

Response DeadlineAug 28

Submission deadline

Response Deadline

08/28/2026, 09:00:00 PM UTCin 11 days

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyWashington → City of Shoreline

ContactsNo contacts available

OfficeN/A

Organization / Agency

Washington → City of Shoreline

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Apply alum or lanthanum-modified clay to Echo Lake to sequester phosphorus, including dosing execution, real-time water chemistry monitoring, and post-application verification.

Similar Contracts

Same NAICS industry code

Construction of Monitoring Well AR-MW-04 for IEUA at 1158 Reservoir Site Rancho Cucamonga, CA. Project NO. EN25022.05

Solicitation # construction-monitoring-well-ar-mw-04-ieua-1158-reservoir-site-rancho-cucamonga-ca-project-no

Yellow Jacket Drilling Services is seeking subcontractors for the construction of monitoring well AR-MW-04 for IEUA at the 1158 Reservoir Site in Rancho Cucamonga, California. This project, identified as Project NO. EN25022.05, requires specialized services including cement pumping, waste disposal, sound wall installation, traffic control, geophysical logging, land surveying, and conductor casing installation. The solicitation was posted on August 17, 2026, with a response deadline of September 9, 2026. Interested parties can contact Dean Coblish for further details. The project falls under NAICS code 562910 and is open to Disadvantaged Business Enterprises as defined by the Department of Transportation.

Yellow Jacket Drilling Services, LLC

POSTED

about 5 hours ago

DEADLINE

Booster Station 525 Lead Abatement

Solicitation # booster-station-525-lead-abatement

Patuxent River Utility Services, LLC is seeking a qualified contractor for the Booster Station 525 Lead Abatement project in Maryland. This solicitation is open to various small business set-asides, including Small Disadvantaged, Women-Owned, HUBZone, and Veteran-Owned small businesses. Interested parties must submit their responses by September 10, 2026. The selected contractor must demonstrate proven experience in lead abatement and is required to employ a licensed Industrial Hygienist qualified to perform environmental remediation within the state of Maryland. This project falls under NAICS code 562910 and is managed by primary point of contact Tomeika McClean.

Patuxent River Utility Services, LLC

POSTED

about 5 hours ago

DEADLINE

Central Garage Underground Fuel Storage Tank Removal

Solicitation # 26-067

The City of Aurora, Illinois, is seeking bids for solicitation 26-067 regarding the removal of underground fuel storage tanks at the Central Garage. This project follows previous environmental site assessments, including a Phase I ESA and ongoing Phase II services conducted by Fehr Graham, both of which provide the necessary background on the site and the underground storage tanks to inform the scope of work. Interested parties must submit their responses by the deadline of September 2, 2026, at 4:00 PM. The project is managed by the Engineering department, with Ian Wade serving as the primary point of contact for capital projects. All inquiries and submissions should be coordinated through the designated purchasing division in Aurora, Illinois.

POSTED

about 8 hours ago

DEADLINE

Hazardous Materials AbatementThis subcontract opportunity, titled Hazardous Materials Abatement, is issued by the Florida Natural Resources agency. The project focuses on the safe removal and disposal of hazardous materials from derelict vessels, specifically targeting the extraction of fuels, oils, batteries, paints, and solvents before the vessels are removed. The solicitation was posted on August 17, 2026, with a response deadline of August 24, 2026. This procurement falls under NAICS code 562910 and is managed through the Escambia County procurement portal.

Natural Resources

POSTED

about 9 hours ago

DEADLINE

Environmental Compliance and Waste DisposalThis subcontract for Environmental Compliance and Waste Disposal, issued by the Department of Defense under the W6QK Acc-Apg Cont Ct Tyad Ofc, focuses on the safe handling and disposal of hazardous materials from decommissioned pumps. The scope of work specifically includes the management of refrigerants and oils, requiring strict adherence to EPA 608 compliance and the potential for asbestos abatement. The project will be performed in Tobyhanna, Pennsylvania, under NAICS code 562910. Interested parties must submit their responses by August 20, 2026, following the posting date of August 17, 2026.

W6QK Acc-Apg Cont Ct Tyad Ofc

POSTED

about 9 hours ago

DEADLINE

Training Venue and Logistics SupportThe Department of State, through the Bureau of Democracy, Human Rights, and Labor, is seeking a subcontractor to provide comprehensive training venue and logistics support. The scope of work includes the provision of event spaces, catering services, necessary materials, and general logistical coordination for project workshops and training events located within the target country. This opportunity is categorized under NAICS code 562910. Interested parties must submit their responses by the deadline of August 31, 2026, following the posting date of August 17, 2026. Further details regarding the solicitation can be accessed via the provided grants.gov link.

Bureau Of Democracy Human Rights And Labor

POSTED

about 17 hours ago

DEADLINE

Hazardous and Radioactive Materials ComplianceThis subcontract opportunity, issued by the Department of Defense under the ASC Supplier Oper AE and AF Div, focuses on the compliance requirements for handling and labeling hazardous or radioactive materials. The primary objective is to ensure that all necessary Material Safety Data Sheets and hazard labels are submitted prior to the contract award to maintain safety and regulatory standards. The project is based in San Diego, California, under NAICS code 562910. Interested parties must submit their responses by the deadline of August 24, 2026, following the posting date of August 16, 2026.

ASC SUPPLIER OPER AE AND AF DIV

POSTED

DEADLINE

Radioactive Material Handling & ComplianceThis subcontract, titled Radioactive Material Handling & Compliance, is issued by the Department of Defense through the ASC Commodities Division. The scope of work involves the specialized handling, packaging, and labeling of spring pins that may be radioactive, ensuring all processes strictly adhere to 10 CFR and MIL-STD-129 regulatory requirements. The project is categorized under NAICS code 562910 and will be performed in Jacksonville, Florida. Interested parties must submit their responses by the deadline of August 24, 2026, following the posting date of August 16, 2026.

ASC COMMODITIES DIVISION

POSTED

DEADLINE

Radioactive or Special Materials Labeling

ASC COMMODITIES DIVISION

POSTED

DEADLINE

Hazardous Materials Handling and LabelingThe Department of Defense, through the ASC Commodities Division, is seeking a subcontractor for a project focused on Hazardous Materials Handling and Labeling. The primary objective of this contract is to identify, document, and label hazardous components, such as lubricants, ensuring full compliance with DFARS and federal HAZMAT regulations. This work falls under NAICS code 562910 and will be performed at a location in FPO, zip code 96677. The solicitation was posted on August 16, 2026, with a response deadline of August 24, 2026. Interested parties can find further details and submission guidelines via the DIBBS portal using the provided solicitation link.

ASC COMMODITIES DIVISION

POSTED

DEADLINE

Radioactive Material Handling and Hazard LabelingThis subcontract opportunity with the Department of Defense, specifically the ASC Supplier Oper AE and AF Div, focuses on the labeling, packaging, and handling of components containing radioactive materials. All work must be performed in strict accordance with MIL-STD-129 and OSHA’s Hazard Communication Standard to ensure safety and regulatory compliance. The project will be executed at Tinker AFB in Oklahoma. Interested parties must submit their responses by August 24, 2026, following the posting date of August 16, 2026. The contract is categorized under NAICS code 562910.

ASC SUPPLIER OPER AE AND AF DIV

POSTED

DEADLINE

Radioactive Materials Handling and Labeling

LAND SUPPLY CHAIN

POSTED

DEADLINE

More opportunities from Washington → City of Shoreline

Same awarding agency

Concrete Supply for StructuresThe City of Shoreline in Washington is seeking a subcontractor for the supply of ready-mix concrete specifically intended for the construction of stormwater structures, including headwalls, manholes, and catch basins. This procurement falls under NAICS code 327320 and is designed to support essential infrastructure development within the region. Interested parties must submit their responses by the deadline of September 2, 2026. The solicitation was officially posted on August 17, 2026, and further details regarding the bidding process can be accessed through the Public Purchase portal.

Ready-Mix Concrete Manufacturing

POSTED

about 6 hours ago

DEADLINE

Excavation and Hauling ServicesThe City of Shoreline in Washington is seeking a subcontractor for excavation and hauling services. The scope of work involves providing excavation support, as well as the hauling and disposal of soil and debris resulting from trenching and ditching operations. This project falls under NAICS code 484220. The solicitation was posted on August 17, 2026, and the deadline for responses is September 2, 2026, at 9:00 PM. Interested parties can find further details and submission guidelines through the provided public purchase portal link.

Specialized Freight (except Used Goods) Trucking, Local

POSTED

about 6 hours ago

DEADLINE

Water Quality Feature InstallationThe City of Shoreline in Washington is seeking a subcontractor for the Water Quality Feature Installation project. This contract involves the installation of various stormwater treatment systems, including sediment basins, oil-water separators, and biofiltration swales, to ensure compliance with established environmental standards. The opportunity was posted on August 17, 2026, with a response deadline of September 2, 2026. This project falls under NAICS code 238990 and is being managed through the Public Purchase procurement portal.

All Other Specialty Trade Contractors

POSTED

about 6 hours ago

DEADLINE

Stormwater Ditch UpgradesThe City of Shoreline in Washington is seeking a subcontractor for the Stormwater Ditch Upgrades project. The scope of work involves excavation, grading, and the lining of stormwater ditches to enhance drainage systems and improve erosion control. This opportunity is categorized under NAICS code 237990. Interested parties must submit their responses by the deadline of September 2, 2026, at 9:00 PM. Further details and submission guidelines can be accessed through the Public Purchase portal.

Other Heavy and Civil Engineering Construction

POSTED

about 6 hours ago

DEADLINE

Stormwater Pipe ReplacementThe City of Shoreline in Washington is seeking a subcontractor for a stormwater pipe replacement project located along 10th and 8th Ave NE. The scope of work involves the removal and replacement of existing stormwater piping, which includes trenching, pipe installation, backfilling, and compaction under NAICS code 237110. This opportunity was posted on August 17, 2026, and requires a response by September 2, 2026. Interested parties can find further details and submission guidelines through the provided public purchase link.

Water and Sewer Line and Related Structures Construction

POSTED

about 6 hours ago

DEADLINE

10th Ave NE Stormwater Improvements

Solicitation # 1382070

The City of Shoreline is soliciting bids for the 10th Ave NE Stormwater Improvements project, identified as solicitation number 1382070. The scope of work involves upgrading stormwater ditches, replacing pipes, and installing water quality features at 10th and 8th Ave NE between NE 165th and 174th St in Washington. The estimated construction cost is 681,832 dollars, and the project must be physically completed within 60 working days. This project is partially funded by the Washington State Department of Ecology and requires strict adherence to state prevailing wage laws and apprenticeship utilization requirements. Bids must be submitted electronically via PublicPurchase.com by 2:00 p.m. Pacific Local Time on September 2, 2026. All proposals must use the official provided form and include a bid proposal deposit of 5 percent of the total bid amount via certified check, cashier's check, or surety bond. The contract will be awarded to the responsible bidder with the lowest responsive bid under a Lowest Price Technically Acceptable framework. Additionally, the successful contractor must provide a satisfactory performance bond and comply with Title VI of the Civil Rights Act of 1964 regarding non-discrimination and disadvantaged business enterprise participation.

Other Heavy and Civil Engineering Construction

POSTED

about 6 hours ago

DEADLINE

Dosing Plan Development and Engineering DesignThe City of Shoreline in Washington is seeking a subcontractor for the Dosing Plan Development and Engineering Design project. The selected provider will be responsible for creating a site-specific dosing plan that utilizes lake bathymetry, water volume, and phosphorus load data to establish chemical dosage modeling and determine precise application timing. This opportunity is categorized under NAICS code 541330. The solicitation was posted on August 12, 2026, and interested parties must submit their responses by the deadline of August 28, 2026.

Engineering Services

POSTED

DEADLINE

Public Notification and Outreach CampaignThe City of Shoreline in Washington is seeking a subcontractor for a Public Notification and Outreach Campaign. The selected provider will be responsible for developing and executing a comprehensive public outreach plan designed to inform shoreline residents and stakeholders. Key deliverables include the creation of press releases, community meetings, frequently asked questions, physical signage, and digital updates. This opportunity is categorized under NAICS code 541810. The solicitation was posted on August 12, 2026, and interested parties must submit their responses by the deadline of August 28, 2026.

Advertising Agencies

POSTED

DEADLINE

NPDES Permit Acquisition and Regulatory ComplianceThe City of Shoreline in Washington is seeking a subcontractor for the NPDES Permit Acquisition and Regulatory Compliance project. The selected provider will be responsible for preparing and submitting the NPDES permit application for chemical treatment and ensuring all project execution remains in compliance with state and federal environmental regulations. This opportunity falls under NAICS code 541610 and was posted on August 12, 2026. Interested parties must submit their responses by the deadline of August 28, 2026.

POSTED

DEADLINE

Lake Water Quality Monitoring and Data AnalysisThe City of Shoreline in Washington is seeking a subcontractor for the Lake Water Quality Monitoring and Data Analysis project. The selected provider will be responsible for conducting comprehensive water quality monitoring at Echo Lake across three phases: pre-treatment, during treatment, and post-treatment. Key technical requirements include sampling for phosphorus, dissolved oxygen, pH, turbidity, and chlorophyll-a, as well as the subsequent reporting of all collected data. This opportunity is categorized under NAICS code 541620. Interested parties must submit their responses by the deadline of August 28, 2026, at 9:00 PM. Further details and application procedures are available through the public purchase portal.

Environmental Consulting Services

POSTED

DEADLINE

Echo Lake In-Lake Phosphorus Treatment and Water Quality Monitoring Services

Solicitation # 1398042

The City of Shoreline, Washington, is soliciting proposals under solicitation number 1398042 for in-lake phosphorus inactivation treatment and water quality monitoring services at Echo Lake. The project aims to implement recommendations from the Echo Lake Cyanobacteria Management Plan and is funded through the City of Shoreline Surface Water Utility and Washington State Department of Ecology grants. The selected consultant will develop a dosing plan using alum or lanthanum-based products, manage NPDES permit compliance, conduct baseline monitoring, and provide technical assistance for regulatory reporting. The anticipated maximum compensation for the agreement is 145,000 dollars. Proposals are due by 2:00 p.m. Pacific Time on August 28, 2026, and must be submitted exclusively via publicpurchase.com in PDF format. The evaluation is based on a 100-point scale, prioritizing the cost proposal (30 points), approach (25 points), project team expertise (20 points), and project experience (20 points), with the executive summary accounting for the remaining 5 points. The anticipated contract award date is September 4, 2026. Selected consultants must provide a business license, a W-9 form, and maintain specific insurance coverages, including 2,000,000 dollars each for professional liability and commercial general liability, and 1,000,000 dollars for auto liability. All digital deliverables must adhere to Section 508 and WCAG 2.1 Level AA accessibility standards.

Environmental Consulting Services

POSTED

DEADLINE

Consulting Services for Selection of Pool Facility Construction Contracting Method and Potential Additional Owner Support Services

Solicitation # 1395864

The City of Shoreline, Washington is seeking qualified consultants to provide expert services in selecting the most appropriate public works contracting method for the construction of a new pool facility, in alignment with RCW Chapter 39.10. The consultant will be responsible for evaluating available contracting options, advising on the preferred method, and, if needed, preparing and submitting an application to the State of Washington Project Review Committee for approval. The scope may also include additional owner support services as determined during the engagement. Proposals must be submitted by 2:00 p.m. Pacific Local Time on Thursday, August 20, 2026, with questions due by August 3 and responses posted by August 5. The selection process includes a review period from August 20 to 24, followed by interviews on August 27 and 28, with contract award anticipated between August 31 and September 18. The initial agreement will run for eight months with a maximum total compensation of $80,000 covering both Phase 1 and potential Phase 2 services, subject to amendment. All documents are posted on publicpurchase.com, and respondents are solely responsible for monitoring updates and addenda. Only registered users on the site will receive notifications, though access to the full request and submission requirements is available through the City’s official website. Points of contact and further details are listed via the City’s procurement portal.

Other Management Consulting Services

POSTED

DEADLINE