diff --git a/conductor/tracks/fix_lake_centroid_bug_20260203/plan.md b/conductor/tracks/fix_lake_centroid_bug_20260203/plan.md
new file mode 100644
index 0000000..b15bb97
--- /dev/null
+++ b/conductor/tracks/fix_lake_centroid_bug_20260203/plan.md
@@ -0,0 +1,5 @@
+# Implementation Plan - Fix Lake Centroid Bug
+
+## Phase 1: Fix
+- [x] Task: Remove invalid list wrapping in `geodata_pipeline/river_erosion.py`. (6c43488)
+