diff --git a/orchestration/config/products.yaml b/orchestration/config/products.yaml
index b39d1be..8bb37cd 100644
--- a/orchestration/config/products.yaml
+++ b/orchestration/config/products.yaml
@@ -23,6 +23,12 @@ products:
     sources:
       exclude: []
 
+  # The bernco source (BernCoWaterLevelSource) is county-scoped by construction —
+  # all its wells are in Bernalillo — so a county filter is a no-op here. Using
+  # the state_NM scope (with include:[bernco]) yields identical output while
+  # sharing the statewide bernco source asset, so bernco unifies once instead of
+  # twice. (A county filter would only matter if the source returned wells
+  # outside Bernalillo, which it does not.)
   - id: bernco_waterlevels_timeseries
     parameter: waterlevels
     output_type: ogc_timeseries
@@ -30,7 +36,7 @@ products:
     description: "Bernalillo County water level timeseries per well"
     schedule: "0 8 * * *"
     spatial_filter:
-      county: Bernalillo
+      state: NM
     sources:
       include: [bernco]