Index: /issm/trunk-jpl/src/c/modules/SurfaceMassBalancex/Gembx.cpp
===================================================================
--- /issm/trunk-jpl/src/c/modules/SurfaceMassBalancex/Gembx.cpp	(revision 27237)
+++ /issm/trunk-jpl/src/c/modules/SurfaceMassBalancex/Gembx.cpp	(revision 27238)
@@ -1853,5 +1853,5 @@
 			}
 			// if reaches impermeable ice layer all liquid water runs off (R)
-			else if (d[i] >= dIce-Dtol || (d[i] >= dPHC-Dtol && depthice>0.1)){  // dPHC = pore hole close off [kg m-3]
+			else if (d[i] >= dIce-Dtol || (d[i] >= dPHC-Dtol && depthice>0.1+Dtol)){  // dPHC = pore hole close off [kg m-3]
 				// _printf_("ICE LAYER");
 				// no water freezes in this cell