Delivery Order W912DR23D0017-W912DR26F0005
- Not listed
- The U.S. Army Corps of Engineers Baltimore District awarded a $163,721.25 firm-fixed-price delivery order to Earth Science Laboratories Inc., a self-certified small disadvantaged business, for the supply of chelated copper algaecide to the Washington Aqueduct in Washington, DC over a one-year period. This delivery order was issued under a $545,737.50 single-award indefinite delivery contract previously awarded to Earth Science Laboratories in 2023, which was set aside for small businesses...
- This is a delivery order for $173,250 awarded to Earth Science Laboratories Inc., a self-certified small disadvantaged business, by the U.S. Army Corps of Engineers Baltimore District. The contract is for the supply of chelated copper algaecide to be used in water treatment operations at the Washington Aqueduct Dalecarlia Water Treatment Plant. The contract is a firm-fixed price delivery order under a larger single-award Indefinite Delivery Contract (IDC) valued at $545,737.50 that was...
- This is a firm fixed-price purchase order contract awarded by the U.S. Army Corps of Engineers (USACE) Baltimore District to Earth Science Laboratories Inc., a small disadvantaged business, for the supply of chelated copper algaecide. The contract has a ceiling value of $722,260.00 and a period of performance through August 14, 2023. The original solicitation, W912DR18Q0032, was set aside for small businesses under NAICS code 325180 (Other Basic Inorganic Chemical Manufacturing). Earth Science...
- The U.S. Army Corps of Engineers Engineering District Baltimore awarded a delivery order valued at $3.01 million to Usalco, LLC (doing business as United States Aluminate Co) on October 7, 2025, for the supply of aluminum sulfate and polyaluminum chloride to support water treatment operations at the Dalecarlia Water Treatment Plant and McMillan Filtration Plant in Washington, DC. The delivery order, which carries a firm fixed price and no set-aside designation, is scheduled for completion by...
- This is a delivery order awarded by the U.S. Army Corps of Engineers Engineering District Baltimore to Usalco, LLC, a for-profit limited liability company doing business as United States Aluminate Co. The order is for the delivery of bulk liquid aluminum sulfate, a water treatment chemical, with a ceiling value of $481,179.68. The order falls under an indefinite delivery contract (IDC) that Usalco holds with the Army Corps of Engineers, which has a total potential value of $18.9 million and runs...
- This is a delivery order awarded by the U.S. Army Corps of Engineers Engineering District Baltimore to Usalco, LLC, a for-profit limited liability company that manufactures and distributes aluminum-based water treatment chemicals. The delivery order, valued at $2,363,334.70, is for the purchase of aluminum sulfate and polyaluminum chloride to support the Washington Aqueduct's water purification operations. The order was issued under a $18.9 million single-award indefinite delivery contract (IDC)...
- The U.S. Army Corps of Engineers Engineering District Baltimore (ENDIST Baltimore) awarded a $424,099.06 delivery order to Usalco, LLC, doing business as United States Aluminate Co, for the procurement and delivery of aluminum sulfate in bulk liquid form (alum). The delivery order, issued on September 25, 2023, with an ultimate completion date of December 30, 2023, represents a firm fixed-price contract with no set-aside designation, indicating the award was made through full and open...
- This is a delivery order awarded by the U.S. Army Corps of Engineers (USACE) Engineering District Baltimore to Usalco, LLC, doing business as United States Aluminate Co, for the supply of polyaluminum chloride (PACL), a bulk liquid water treatment chemical. The delivery order has a ceiling value of $65,439.97 and a period of performance through September 30, 2025. The award is part of a larger $18.9 million single-award indefinite delivery contract (IDC) between USACE and Usalco that provides...
- The U.S. Army Corps of Engineers awarded a $59,238.90 delivery order to Hach Company on September 3, 2025, for environmental instruments to support the Washington Aqueduct's water quality monitoring operations. This contract is structured as a firm fixed-price delivery order under a Multiple Award Schedule (MAS) vehicle and carries no small business set-aside designation. The award is scheduled for completion by October 20, 2025, with performance taking place in Washington, DC. Hach Company, a...
- This is a federal contract award from the U.S. Army Corps of Engineers Engineering District Baltimore to Usalco, LLC, a for-profit limited liability company doing business as United States Aluminate Co. The contract is for the delivery of bulk liquid aluminum sulfate, a critical coagulant used in water purification processes. The contract is a single-award indefinite delivery contract (IDV) valued at $18.9 million over a 5-year period from October 2021 to September 2026. Individual delivery...
- W912DR23D0017Indefinite Delivery Contract
- W912DR23D0017-W912DR26F0005Delivery Order
The U.S. Army Corps of Engineers Baltimore District awarded a delivery order to Earth Science Laboratories Inc. on October 24, 2025, for the purchase of Year 2 chelated copper algaecide for the Washington Aqueduct. This $190,575 firm fixed-price delivery order, with an ultimate completion date of August 14, 2026, is issued under a single-award Indefinite Delivery Contract valued at $545,737.50 and valid through August 2026. The delivery order does not utilize a set-aside designation. Earth Science Laboratories Inc., a self-certified small disadvantaged business specializing in water treatment and chemical solutions, will supply the algaecide to support the Dalecarlia Water Treatment Plant and maintain safe drinking water infrastructure within the National Capital Region. The chemical product must meet American National Standards Institute/American Water Works Association (ANSI/AWWA) and NSF/ANSI standards for water treatment applications. Earth Science Laboratories Inc., registered in the System for Award Management since November 2001, has demonstrated consistent capability in providing specialized chemical solutions to federal defense agencies, with prior contract awards ranging from approximately $19,900 to $173,250. The company's focus on algae control systems and water treatment chemicals aligns with the Corps of Engineers' mission to maintain water infrastructure critical to the National Capital Region. This delivery order represents a continuation of the established IDV relationship and supports the ongoing operational requirements of the Washington Aqueduct system.
Name | Description | Solicitation Number | FederalAgency | Type | PostedDate |
|---|---|---|---|---|---|
Purchase of Chelated Copper Algaecide | W912DR23Q0035 | Department of the Army Corps of Engineers Engineering District Baltimore | Solicitation 2/2 | 5/5/23, 3:07 PM | |
Washington Aqueduct - Chelated Copper Algaecide IDIQ | W912DR23Q0035 | Department of the Army Corps of Engineers Engineering District Baltimore | Pre-Solicitation 1/2 | 4/26/23, 4:01 PM |
Mod # | Description | ReasonForModification | Federal Obligation | Date |
|---|---|---|---|---|
| Not listed | Not listed | $190.6k | 10/21/25 |