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HydrologicEngineeringCenter

14 indexed repositories · View on GitHub

Vortex
data processing utilities

Java · 37 stars
hec-dss
source code for HEC-DSS (Data Storage System)

C · 33 stars
DSSVue-Example-Scripts
This repository contains sample Python and Jython scripts as a supplement to the DSSVue User's Manual - scripting section

HTML · 23 stars
cwms-python
Corps Water Management Systems (CWMS) library utilizing CWMS Data API

Python · 16 stars
HEC-FDA
Hydrologic Engineering Center - Flood Damage Analysis

C# · 12 stars
cwms-data-api-client
Client Side libraries to assist with Accessing the CWMS REST API that we call RADAR.

Java · 8 stars
cwms-database
The USACE/CWMS Database for storing hydrologic data.

Visual Basic 6.0 · 4 stars
SHEF_processing
SHEF processing applications/tools; includes a python shef parser

Python · 3 stars
hec-units
Source of Truth for HEC's Unit Conversions focused on hydrologic data.

Java · 3 stars
FIRO_TSEnsembles
Time series of ensembles in SqLite

Java · 2 stars
cwms-cli
Command line utilities used for Corps Water Management Systems (CWMS) processes

Python · 2 stars
Expressions
A library that supports the generation of expression trees that can be updated and evaluated timestep by timestep

Java · 1 star
Consequences

C# · 1 star
ExpressionsUI
a set of ui components for the Expressions library

Java · 0 stars

Beginner friendly Everything

Open All

Possible issue with cwms_loc.store_loc2 and external transactions Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

HydrologicEngineeringCenter/cwms-database#233 · Opened Sep 17, 2026
Create Schema Update container Open

enhancement

HydrologicEngineeringCenter/cwms-database#231 · 1 assignee · Opened Sep 17, 2026
Unable to retrieve seasonal location level data for end-of-month dates Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

HydrologicEngineeringCenter/cwms-database#229 · Opened Sep 16, 2026
Life Loss Compute Open

HydrologicEngineeringCenter/Consequences#17 · 1 assignee · Opened Sep 11, 2026
post blob failed in cwbi-dev Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HydrologicEngineeringCenter/cwms-cli#263 · Opened Sep 10, 2026
Change TS Multi to a Larger Page Size Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

HydrologicEngineeringCenter/cwms-python#311 · Opened Sep 9, 2026
Update CWMS Database ReadTheDocs with Ratings Documentation Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

HydrologicEngineeringCenter/cwms-database#226 · Opened Sep 8, 2026
syntax and context highlighting in expressions editor and preview Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

HydrologicEngineeringCenter/ExpressionsUI#26 · Opened Aug 28, 2026
major enhancement - time series expressions Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

HydrologicEngineeringCenter/Expressions#89 · Opened Aug 28, 2026
Recommend renaming "Updatable Variable" to just variable? Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

HydrologicEngineeringCenter/ExpressionsUI#25 · Opened Aug 28, 2026
Context dependent function tree with expressions editor Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

HydrologicEngineeringCenter/ExpressionsUI#24 · Opened Aug 28, 2026
"Tests" Expression UI element for validating functionality. Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

HydrologicEngineeringCenter/ExpressionsUI#23 · Opened Aug 28, 2026
Final: Revive Consequence View in RAS. Open

HydrologicEngineeringCenter/Consequences#16 · 1 assignee · Opened Aug 27, 2026
Unit test development Open

HydrologicEngineeringCenter/Consequences#15 · 1 assignee · Opened Aug 27, 2026
Publish Consequences NuGet to Nexus Open

HydrologicEngineeringCenter/Consequences#14 · 1 assignee · Opened Aug 27, 2026
Investigate infrastructure necessary for connection to RAS Open

HydrologicEngineeringCenter/Consequences#13 · 1 assignee · Opened Aug 27, 2026
Add TS Group column for specifying units Open

HydrologicEngineeringCenter/cwms-database#223 · 3 comments · 2 assignees · Opened Aug 26, 2026
Convert variableType to an enum Open

HydrologicEngineeringCenter/ExpressionsUI#22 · 3 assignees · Opened Aug 21, 2026
CDA 500 Interval Offset Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 42/100

HydrologicEngineeringCenter/cwms-cli#259 · 1 comment · Opened Aug 21, 2026
Expand Blob Table Columns Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

HydrologicEngineeringCenter/cwms-database#217 · Opened Aug 14, 2026
Route Selection Algorithm Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

HydrologicEngineeringCenter/hec-units#59 · 1 comment · Opened Aug 14, 2026
Get USGS timeseries doesn't remove trailing whitespaces from USGS station number. Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

HydrologicEngineeringCenter/cwms-cli#258 · Opened Aug 12, 2026
stored variable of type date not getting type correct. Open

HydrologicEngineeringCenter/ExpressionsUI#10 · 2 comments · 1 assignee · Opened Aug 11, 2026
Rename various concept to standard terms Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

HydrologicEngineeringCenter/hec-units#41 · Opened Aug 7, 2026
Unable to store rating template when storing rating set Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

HydrologicEngineeringCenter/cwms-database#214 · 4 comments · Opened Aug 6, 2026
Extents are being updated in DMZ for TSID's not in the DMZ include list Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

HydrologicEngineeringCenter/cwms-database#213 · 1 comment · 1 reaction · Opened Aug 4, 2026
SWT Filtering is allowing TS Through to national Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

HydrologicEngineeringCenter/cwms-database#212 · 1 comment · Opened Aug 4, 2026
Capture ts extents update script status into status queue Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

HydrologicEngineeringCenter/cwms-database#211 · Opened Aug 4, 2026
Normalize A2W tables Open

HydrologicEngineeringCenter/cwms-database#210 · 1 assignee · Opened Aug 4, 2026
Add Count of Values to Time Series Extents Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HydrologicEngineeringCenter/cwms-database#209 · Opened Aug 3, 2026
handle runtime failures gracefully Open

HydrologicEngineeringCenter/Expressions#64 · 2 comments · 1 assignee · Opened Jul 31, 2026
add a build and publish workflow action Open

HydrologicEngineeringCenter/ExpressionsUI#6 · 1 assignee · Opened Jul 31, 2026
Get test report behaving Open

HydrologicEngineeringCenter/hec-units#37 · 1 assignee · Opened Jul 28, 2026
add performance benchmark tests Open

HydrologicEngineeringCenter/Expressions#48 · 1 assignee · Opened Jul 27, 2026
add more and more and more unit tests! Open

HydrologicEngineeringCenter/Expressions#47 · 1 assignee · Opened Jul 27, 2026
The at_ts_extents table does not get cleaned up after deleting a timeseries id Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

HydrologicEngineeringCenter/cwms-database#203 · Opened Jul 21, 2026
Add nws api tool to get obs/forecasted stage and flow Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 48/100

HydrologicEngineeringCenter/cwms-cli#240 · Opened Jul 21, 2026
Add pi-xml loader to cwms-cli Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 45/100

HydrologicEngineeringCenter/cwms-cli#239 · Opened Jul 21, 2026
Add load ratings and load levels Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

HydrologicEngineeringCenter/cwms-cli#238 · 1 comment · Opened Jul 21, 2026
Unable to delete location with new geometry without delete_all or delete_loc cascade Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

HydrologicEngineeringCenter/cwms-database#200 · Opened Jul 17, 2026
IDEA: Make use of OpenAPI Generated Python for CWMS-Python Open

Difficulty 5/5 Over a week Newbie friendliness 28/100

HydrologicEngineeringCenter/cwms-python#299 · 1 comment · Opened Jul 7, 2026
Add Agricultural Damages Open

enhancement

HydrologicEngineeringCenter/Consequences#6 · 1 assignee · Opened Jul 2, 2026
Add migration script from legacy "_forecast" API to new "_fcst" API Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HydrologicEngineeringCenter/cwms-database#192 · Opened Jun 26, 2026
reading ensembles is slow, I think DSS access could be optimized Open

HydrologicEngineeringCenter/FIRO_TSEnsembles#307 · 1 assignee · Opened Jun 26, 2026
NWP's 30 year statistics Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

HydrologicEngineeringCenter/cwms-database#189 · 8 comments · Opened Jun 23, 2026
create a caching capability to decrease execution if no change occurs on a leaf node Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

HydrologicEngineeringCenter/Expressions#15 · 2 comments · Opened Jun 17, 2026
Create a triangle inverse node Open

Difficulty 3/5 1-2 days Newbie friendliness 52/100

HydrologicEngineeringCenter/Expressions#13 · Opened Jun 17, 2026
Add unit test coverage Open

enhancement

HydrologicEngineeringCenter/Expressions#9 · 1 comment · 1 assignee · Opened Jun 17, 2026
Design a LookUp node Open

HydrologicEngineeringCenter/Expressions#6 · 2 comments · 1 assignee · Opened Jun 17, 2026
Clean up CWMS user roles Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

HydrologicEngineeringCenter/cwms-database#183 · Opened Jun 12, 2026

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