The authorized “Other” budget for the CWMS program in FY26 is $2,445,000. Like ERC funds, this budget is divided into two categories: Sustainment and Development. For FY26, all “Other” funding is allocated to the Development category.
Although CWMS is authorized to spend up to the full budgeted amount, the actual funding received from external sources may be less. Despite this uncertainty, contributions from these sources continue to play a critical role in the development and implementation of CWMS and related software.
Contributors identified for FY26 are the CWMS National Implementation Program and the H.
CWMS National Implementation Program
The CWMS NIP is providing $750,000 for software development in FY26. That funding will be divided between different CWMS components as shown in the table below.
HEC will also receive $77,500 from the CWMS NIP to support the HEC-FIA Flood Damages Reduced effort.
CWMS NIP FY26 Funds
Component | Budget |
| Software Development |
|
| HEC-RTS | $215,030 |
| HEC-HMS | $345,470 |
| HEC-ResSim | $125,500 |
| HEC-RAS | $64,000 |
| Flood Damages Reduced |
|
| HEC-FIA and FDR | $77,500 |
Total | $827,500 |
The team will be submitting a proposal to develop a new tool to evaluate the performance of both USACE and non-USACE forecast products by comparing them against actual observed data. This tool will be implemented as a function library, designed for use not only within the HEC-RTS interface but also across other HEC applications and CWMS cloud services. The team expects to learn in October whether the proposal has been accepted.