Issues

• Global reaction coefficients can't be read or changed through the toolkit API

  OpenWaterAnalytics/EPANET#951 · Filter by author lbutler opened on Oct 16, 2026

• Discussion: numerical precision and a unit-independent hydraulic solver

  OpenWaterAnalytics/EPANET#947 · Filter by author aowis-becker opened on Oct 5, 2026
  6

• Claude AI code review of EPANET: 109 bugs, each with a test and a patch

  OpenWaterAnalytics/EPANET#942 · Filter by author lbutler opened on Oct 2, 2026
  7

• Pattern/curve ID lookup is O(n) linear scan — causes O(n²) when loading models with many patterns/curves

  OpenWaterAnalytics/EPANET#938 · Filter by author neslerel opened on Sep 28, 2026
  6

• EN_addlink accepts a link with the same start and end node; EN_openH then overflows a heap buffer in genmmd

  OpenWaterAnalytics/EPANET#937 · Filter by author alexesc opened on Sep 27, 2026
  1

• Full tanks keep receiving inflow and empty tanks keep delivering outflow in 2.3.x (two-line fix)

  OpenWaterAnalytics/EPANET#936 · Filter by author alexesc opened on Sep 27, 2026
  1

• Lua scripting support in EPANET

  OpenWaterAnalytics/EPANET#931 · Filter by author lbutler opened on Aug 14, 2026
  8

• Updating EN_LEAK_AREA during simulation produces inconsistent EN_LINK_LEAKAGE and EN_LEAKAGEFLOW behavior

  OpenWaterAnalytics/EPANET#922 · Filter by author dapaez270 opened on Jun 1, 2026
  5

• Water age simulation at a node downstream of a stagnant pipe can be incorrect

  OpenWaterAnalytics/EPANET#913 · Filter by author sm-rana opened on Apr 17, 2026
  1

• EPA’s EPANET release plan and coordination with OWA

  OpenWaterAnalytics/EPANET#911 · Filter by author woohn opened on Mar 24, 2026
  8

• New Graphical User Interface for EPANET Now Available

  OpenWaterAnalytics/EPANET#909 · Filter by author LRossman opened on Mar 10, 2026
  8

• Issue a patch release that fixes the FAVAD leakage bug

  OpenWaterAnalytics/EPANET#902 · Filter by author LRossman opened on Feb 6, 2026

• Three Point Curve - Manual description inconsistent with code

  OpenWaterAnalytics/EPANET#897 · Filter by author AbelHeinsbroek opened on Jan 19, 2026
  2

• Binary output file does not store pump max flow exceeded or PRV/PSV cannot supply pressure states

  OpenWaterAnalytics/EPANET#893 · Filter by author lbutler opened on Dec 12, 2025

• Network with PSV converges to a wrong solution

  Bug

  OpenWaterAnalytics/EPANET#892 · Filter by author eladsal opened on Dec 1, 2025
  3

• EL PUCARA

  OpenWaterAnalytics/EPANET#888 · Filter by author yolimarwong11-lgtm opened on Nov 14, 2025
  1

• An EPANET Paper for WDSA/CCWI 2026

  Task

  OpenWaterAnalytics/EPANET#887 · Filter by author eldemet opened on Nov 12, 2025
  42

  

• Add toolkit method to get ill-conditioned node

  OpenWaterAnalytics/EPANET#885 · Filter by author AbelHeinsbroek opened on Oct 29, 2025
  2

• Add Option to Configure Logical Operator Precedence in Rules

  Feature

  OpenWaterAnalytics/EPANET#844 · Filter by author 0tkl opened on Apr 2, 2025
  3

• Simplifying regression testing with docker

  enhancement
  OpenWaterAnalytics/EPANET#836 · Filter by author lbutler opened on Mar 13, 2025
  14

• Cannot set initial quality value to achieve a hot start for a quality analysis of type Trace

  OpenWaterAnalytics/EPANET#818 · Filter by author pierreAuck opened on Nov 4, 2024
  6

• Max number of characters in description field

  OpenWaterAnalytics/EPANET#817 · Filter by author BlomTbl opened on Oct 17, 2024
  4

• Toolkit object ID and comment retrieval functions are not safe

  OpenWaterAnalytics/EPANET#814 · Filter by author LRossman opened on Sep 25, 2024

• question about minimum volume for new segments - performance implications

  OpenWaterAnalytics/EPANET#813 · Filter by author samhatchett opened on Aug 6, 2024
  6

• No install(runepanet) in CMakeLists.txt

  OpenWaterAnalytics/EPANET#796 · Filter by author 0tkl opened on May 29, 2024
  2