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WATERSTONE ENVIRONMENTAL HYDROLOGY AND ENGINEERING INC

UEI: QL15M2HHPL26

WATERSTONE ENVIRONMENTAL HYDROLOGY AND ENGINEERING INC is a federal contractor, registered under UEI QL15M2HHPL26. It has been awarded $6,702,801 in federal contracts. Primary work spans Environmental Consulting Services, All Other Legal Services, and Remediation Services. Top awarding agencies include Department Of Defense, Environmental Protection Agency, and General Services Administration.

Contact Information

Registration and classification details

Registration

UEI Code

QL15M2HHPL26

Federal Contracting Overview

Award totals, agency breakdown, NAICS distribution, and geographic footprint.

Key Performance Metrics

Awards Count

23

All time

Active

0

Currently performing

Completed

23

Past period of performance

Total Awards

All time

Contracts

Prime · all time

Subcontracts

Sub · all time

Grants

Prime · all time

Subgrants

Sub · all time

Award Analytics & Distribution

Awards by Agency

Department Of Defense$5.6M83.6%Environmental Protection Agency$399.6K6%General Services Administration$389.6K5.8%Department Of Justice$303.7K4.5%

Other agencies (1 agencies, <0.5% each)$9.6K0.1%

Awards by NAICS

541620 - Environmental Consulting Services$6.1M91%541199 - All Other Legal Services$303.7K4.5%562910 - Remediation Services$290.4K4.3%

Others - Other NAICS codes (1 codes, <0.5% each)$9.6K0.1%

Awards by Agency Over Time

Awards by Place of Performance

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Theatre Mold Remediation Scope of Work

Solicitation # AT25-0006

Solicitation AT25-0006 is a subcontracting opportunity with Adams and Associates, Inc. for comprehensive mold remediation at Theatre Building 1086 of the Atterbury Job Corps Center in Edinburgh, Indiana. The project was prompted by a sprinkler system failure and requires the remediation of mold throughout the entire building, including the cleaning or replacement of damaged theater seating cushions. All work must be performed in accordance with ANSI/IICRC S520 standards, EPA guidelines, OSHA regulations, and the Micro Air Inc. Mold Testing report dated April 11, 2024. Key technical requirements include the provision of a Certified Industrial Hygienist for daily site visits, the implementation of a detailed remediation plan featuring HEPA filtration and negative air pressure, and a final clearance walkthrough. The contract is a single lump sum award based on best value, with evaluation weights assigned to price (60 points), quality (20 points), past performance (10 points), and schedule (10 points). Bidders must be small businesses or certified socioeconomic categories and must hold a valid Indiana Contractor's License. Proposals are due by November 9, 2026, and must include a detailed cost breakdown, a timeline for substantial completion, and certification of compliance with Davis Bacon Act wage rates. The selected contractor must start work within 14 days of the Notice to Proceed. Payment terms are Net 30, and the Atterbury Job Corps Center is tax-exempt. Final payment is contingent upon the submission of certified payroll records, a completed SF 1413, and the release of liens from all subcontractors.

Atterbury Job Corps Center

POSTED

about 4 hours ago

DEADLINE

Maui JCC Mold Remediation and Removal of Water-Damaged Materials

Solicitation # maui-jcc-mold-remediation-removal-water-damaged-materials

Management & Training Corporation/Hawaii/Maui Job Corps Center

POSTED

about 4 hours ago

DEADLINE

CCENV27004 - MOLD REMEDIATION AND DEEP CLEANING RA

Solicitation # WMATA-0000010955

The Washington Metropolitan Area Transit Authority is soliciting bids for contract CCENV27004, which focuses on mold remediation and deep cleaning services. This solicitation, identified by number WMATA-0000010955, falls under NAICS code 562910 and is managed through the agency's Virginia operations. The solicitation was posted on October 16, 2026, with a strict response deadline of October 20, 2026. Interested parties must submit their responses through the official WMATA supplier portal by the specified cutoff date.

Washington Metropolitan Area Transit Authority

POSTED

about 4 hours ago

DEADLINE

Environmental Trust, Comprehensive Emergency Management Plan Update & Environmental Engineering and Consulting Services

Solicitation # Environmental-Trust_RFP_FY-2027_Emergency-Plan-Update-Environmental-Services_1014.pdf

The Confederated Tribes of the Colville Reservation is seeking professional services for emergency management planning and environmental engineering and consulting, with a combined maximum budget of $289,497. The emergency management portion, capped at $150,000, involves updating the 2014 Comprehensive Emergency Management Plan, developing Emergency Support Functions and hazard-specific annexes, creating the first Tribal Threat and Hazard Identification and Risk Assessment and Continuity of Operations Plan, and facilitating coordination workshops and a tabletop exercise. The environmental services portion, capped at $139,497, includes biannual groundwater monitoring and testing at the Nespelem Post and Pole site and the removal and disposal of hazardous materials at the Nespelem Recycle Center. The contract runs through September 30, 2027, with services provided on an as-needed basis and renewable annually. Key requirements include mandatory monthly progress reports, the submission of all final plans in editable and PDF formats, and the maintenance of insurance against injuries or property damages. Because the total value exceeds $100,000, a performance bond is strictly required. Selection is based on a criteria evaluation process weighing qualifications, specialized experience, proposal responsiveness, and TERO status, rather than lowest cost alone. TERO fees are not included in the scope of work budget and will be determined separately by the Tribal Employment Rights Office.

Confederated Tribes of the Colville Reservation

POSTED

about 12 hours ago

DEADLINE

USSPACECOM Command and Control Facility (C2F): Design-Build Contractor (DBC) for Collaborative Delivery

Solicitation # c3df0d41-753d-4399-a6e3-12b580d1bfa2

Department Of Defense

POSTED

about 14 hours ago

DEADLINE

in about 2 months

Hazardous Materials Removal and Disposal (Nespelem Recycle Center)This subcontract for the Nespelem Recycle Center involves the characterization, removal, and disposal of hazardous materials on behalf of prime contractors for the Confederated Tribes of the Colville Reservation. The selected provider will be responsible for developing critical site planning documentation, including Site Assessment Plans, Hazardous Waste Operations and Emergency Response Health and Safety Plans, and Quality Assurance Project Plans. Operational duties include the segregation, over-packing, and labeling of waste, culminating in the delivery of lawful disposal manifests. To ensure safety and regulatory compliance, the contractor must maintain HAZWOPER certification and adhere to all Department of Transportation hazardous materials transportation standards. This project falls under NAICS code 562910 and is located in Nespelem. Interested parties must submit their responses by November 5, 2026.

Confederated Tribes of the Colville Reservation

POSTED

about 18 hours ago

DEADLINE

Post-Remediation Groundwater Monitoring (Nespelem Post and Pole)The Post-Remediation Groundwater Monitoring subcontract for the Nespelem Post and Pole project involves providing biannual groundwater monitoring and sampling services for prime contractors on the Confederated Tribes of the Colville Reservation. The selected provider will be responsible for conducting site visits, measuring field parameters, and coordinating all necessary laboratory analysis. Additionally, the scope of work includes performing data entry into the ACRES and BiT systems and delivering comprehensive monitoring reports that evaluate results and identify trends. To ensure technical accuracy and compliance, the contractor must adhere to strict QA/QC standards and possess the required environmental engineering or science certifications. This project is located in Nespelem, Washington, under NAICS code 541620. Interested parties must submit their responses by the deadline of November 5, 2026.

Confederated Tribes of the Colville Reservation

POSTED

about 18 hours ago

DEADLINE

HVAC Equipment Disposal & Refrigerant RecoveryThis subcontract involves the legal removal and disposal of old HVAC units and hazardous refrigerants for prime contractors working on Habersham County Board of Commissioners facility projects. The scope of work specifically includes recovering refrigerants from three large heat pumps and hauling the equipment for proper disposal in accordance with federal, state, and local laws. To qualify, the contractor must hold an EPA Section 608 Certification for the safe handling of refrigerants. Upon completion of the services, the contractor is required to provide all necessary disposal manifests and certificates of destruction. The response deadline for this opportunity is November 4, 2026.

Habersham County Board of Commissioners

POSTED

about 19 hours ago

DEADLINE

Energy Electrification Policy & Workforce Integration ConsultingThis subcontract for Energy Electrification Policy and Workforce Integration Consulting supports prime contractors on New Hampshire Department of Environmental Services energy projects. The scope of work focuses on analyzing heat pump supply chains, creating workforce development strategies for installers, and coordinating efforts with the New England Heat Pump Accelerator coalition. The consultant will utilize greenhouse gas emissions modeling tools to produce a workforce integration plan and detailed impact assessment reports measuring projected pollution reductions. This opportunity is categorized under NAICS code 541620, with a response deadline of November 16, 2026.

Department Of Environmental Services

POSTED

about 19 hours ago

DEADLINE

in about 1 month

Environmental Controls and Fish ProtectionThis subcontract for Environmental Controls and Fish Protection focuses on implementing critical environmental and aquatic protection measures for floodway projects within the Lakehead Region Conservation Authority. The scope of work requires the installation of turbidity curtains and silt fences, alongside the execution of fish rescue operations to mitigate ecological impacts and ensure the protection of local fish species. The project emphasizes strict compliance with environmental standards to maintain the integrity of the surrounding ecosystem. Interested parties must submit their responses by October 27, 2026, at 5:30 PM, following the posting date of October 15, 2026. The contract is categorized under NAICS code 541620, reflecting the specialized environmental consulting and technical services required for these operations.

POSTED

about 20 hours ago

DEADLINE

Radioactive Waste Logistics and Compliance ConsultingThe Radioactive Waste Logistics and Compliance Consulting subcontract supports prime contractors on NASA Shared Services Center projects by providing a comprehensive administrative and regulatory framework for the movement of radioactive waste. The scope of work includes generating essential shipping documents, managing the labeling and marking of containers, and coordinating brokerage services between NASA, various transporters, and final disposal sites. To ensure full adherence to 49 CFR 172 Subparts D and E, the contractor must possess specialized expertise in DOT, NRC, and EPA regulations. The primary deliverables for this engagement are completed shipping manifests and detailed compliance documentation to verify that all hazardous materials are handled and transported according to federal safety and legal standards.

NASA Shared Services Center

POSTED

about 22 hours ago

DEADLINE

Tank Cleaning and Environmental ServicesThis subcontract for Tank Cleaning and Environmental Services supports U.S. Coast Guard vessel projects through the Department of Homeland Security. The scope of work involves the cleaning and inspection of various holding and fuel tanks, specifically targeting dirty oil, oily water, MP fuel service, grey water, and sewage tanks. Additionally, the contractor is responsible for flushing all associated grey water and sewage piping systems to deliver certified clean and inspected results to prime contractors. The project is based in San Francisco and falls under NAICS code 562910. Interested parties must note that the response deadline for this opportunity is November 4, 2026, with the solicitation having been posted on October 15, 2026.

POSTED

about 22 hours ago

DEADLINE

Environmental AbatementThis subcontract opportunity involves providing environmental abatement services for the Department of Veterans Affairs at a medical center facility in Augusta, Maine. The selected contractor will work under prime contractors to perform the removal and remediation of asbestos and lead-based paint. Responsibilities include the preparation of detailed abatement plans and the delivery of final clearance reports. All work must be executed in strict accordance with the requirements set forth by the Maine Department of Environmental Protection. The project falls under NAICS code 562910, with a response deadline established for October 30, 2026.

POSTED

about 22 hours ago

DEADLINE

Vibration Monitoring & Historic Preservation ConsultingThis subcontract for Vibration Monitoring and Historic Preservation Consulting supports US Army Corps of Engineers projects located in Selma. The selected contractor will provide specialized oversight for prime contractors to ensure that construction activities, specifically pile installation and anchor drilling, do not damage nearby historic structures. This involves establishing vibration limits and deploying seismographs and vibration sensors to capture and analyze real-time data in accordance with strict historic preservation standards. The scope of work requires the delivery of comprehensive vibration monitoring plans and detailed compliance reports to verify that all activities remain within safe thresholds. Interested parties should note that the response deadline is October 28, 2026, and the project falls under NAICS code 541620.

US Army Corps Of Engineers

POSTED

about 22 hours ago

DEADLINE

Solicitation # W91QV127RA006

The Department of Defense is seeking capability statements for a non-personal services contract to provide professional and management development training for the Office of Army Cemeteries and Army National Military Cemeteries. Classified under NAICS 611430, the requirement consists of six distinct soft skills training sessions to be delivered via a streaming format, such as MS Teams, for approximately 250 civilian and military personnel. The training schedule is firm, with courses running from December 1, 2026, through September 7, 2027, covering topics including emotional intelligence, workplace civility, conflict resolution, goal setting, workplace anxiety, and handling difficult conversations. The government currently intends to award a sole source purchase order to DrTinaTalksWork but is conducting market research to determine if other capable small businesses exist. To be considered, respondents must be accredited through the International Accreditors for Continuing Education and Training (IACET) and possess a Doctorate in Management and Organizational Leadership or an equivalent degree, along with prior Department of Defense affiliation. Interested parties must submit a capability statement of no more than five pages to the designated contract specialists by October 24, 2026, demonstrating their ability to meet all statement of work requirements and provide training on the exact dates requested.

Department Of Defense

POSTED

about 22 hours ago

DEADLINE

Small Arms Firing Range (SAFR) Cleaning and Maintenance Services

Solicitation # FA485526Q0078

Solicitation FA485526Q0078 is a combined synopsis and request for quotation for a firm-fixed-price contract to provide cleaning and maintenance services for Small Arms Firing Ranges at Cannon Air Force Base, New Mexico. This total small business set-aside under NAICS 562910 covers the 27th Special Operations Security Forces Squadron and 26th Special Tactics Squadron Combat Arms Training and Maintenance facilities. The scope of work requires quarterly inspections and cleaning of bullet traps, HVAC systems, dust collection units, and firing point areas, with a specific focus on the removal of lead dust and fragments. All services must be performed in accordance with manufacturer specifications and federal standards, including OSHA and EPA regulations. The contract structure consists of a base year running from November 1, 2026, to October 31, 2027, with four subsequent one-year option periods. Award will be granted to the responsible offeror determined to be most advantageous based on technical capability, past performance, and price. Offerors must submit a completed pricing worksheet, offeror certification, and conflict of interest statement by the response deadline of October 23, 2026. Payment will be processed electronically through the Wide Area WorkFlow system. Special requirements include strict adherence to hazardous waste packaging and disposal protocols for contaminated materials and compliance with Department of Defense cybersecurity controls.

FA4855 27 Socons Lgc

POSTED

about 22 hours ago

DEADLINE

Hermits Peak/Calf Canyon Fire Claims Arbitration Services

Solicitation # FEMA_70FB8026R00000020

New Orleans Contract Operations Management Bra

POSTED

about 22 hours ago

DEADLINE

PBA Testing, Lab and Engineering Services

Solicitation # PANROC26P0000031424

The Department of Defense is seeking sources for a firm-fixed-price contract to provide testing, laboratory, and engineering services in support of the Pine Bluff Arsenal in White Hall, Arkansas. The primary objective is to augment on-site laboratory evaluations to ensure ammunition manufacture and demilitarization missions comply with various environmental regulations, including the Clean Air Act, Clean Water Act, Resource Conservation and Recovery Act, CERCLA, and SPCC regulations, as well as the Defense Environmental Restoration Program. The contract is structured with an initial base year and four renewable option years for a total potential duration of five years. The scope of work is divided into nine CLINs covering ecological surveys, toxicity testing for NPDES outfalls, groundwater assessments for RCRA permit and corrective action sites, GIS support, stormwater compliance, regulatory assistance, and domestic water supply well removal. Key technical requirements include the use of an Arkansas Certified Geologist for groundwater assessments and certifications such as NELAP, HAZWOPER, and ADEQ. Contractors must adhere to OSHA Standard 29 CFR 1910 and follow specific site access protocols, including mandatory safety briefings and five-day advance notification for site visits. Performance is based on FOB Destination Pine Bluff Arsenal, with work conducted during standard business hours.

POSTED

about 22 hours ago

DEADLINE