# RPT, EFM Plotter, EFM Mapper, and EFMSim - Maintenance and Support for HEC Java Software related to Ecosystems

Federal contract opportunity, via Kontrakk.

- **Agency:** DEPT OF DEFENSE.DEPT OF THE ARMY.US ARMY CORPS OF ENGINEERS.SCO ALEXANDRIA.ENGINEER CENTER SUPPORT ACT HUMPHREYS.W4LD USA HECSA
- **Notice ID:** 783e3561159d4483a41d407a00e15bc2
- **Solicitation number:** W912HQ26S0070
- **Notice type:** Sources Sought
- **Set-aside:** No Set aside used
- **NAICS:** 541511
- **Contracting office location:** Alexandria, VA
- **Posted:** August 28, 2026
- **Response deadline:** September 4, 2026
- **View on Kontrakk:** https://kontrakk.com/contracts/783e3561159d4483a41d407a00e15bc2
- **View on SAM.gov:** https://sam.gov/workspace/contract/opp/783e3561159d4483a41d407a00e15bc2/view

## Description

Full description available on SAM.gov: https://sam.gov/workspace/contract/opp/783e3561159d4483a41d407a00e15bc2/view

## Points of contact

- MacKenzie Rivera · mackenzie.rivera@usace.army.mil · 7034287943 (primary)
- David A. Kaplan · david.a.kaplan@usace.army.mil · 7034288487 (secondary)