Index: /issm/trunk-jpl/test/NightlyRun/IdToName.py
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/IdToName.py	(revision 17375)
+++ /issm/trunk-jpl/test/NightlyRun/IdToName.py	(revision 17376)
@@ -239,4 +239,5 @@
 	3119 : 'SquareShelfConstrainedTherTranAdolcReverseVsForwardMumps',
 	3120 : 'SquareShelfConstrainedTranAdolcReverseVsForwardMumps',
+	3300 : 'SquareSheetHydrologyDCTwoLayersVolumeControl',
 	}
 
Index: /issm/trunk-jpl/test/NightlyRun/test3300.m
===================================================================
--- /issm/trunk-jpl/test/NightlyRun/test3300.m	(revision 17376)
+++ /issm/trunk-jpl/test/NightlyRun/test3300.m	(revision 17376)
@@ -0,0 +1,52 @@
+md=triangle(model(),'../Exp/Square.exp',100000.);
+md=setmask(md,'','');
+md=parameterize(md,'../Par/SquareSheetConstrained.par');
+md=setflowequation(md,'SSA','all');
+md.cluster=generic('name',oshostname(),'np',1);
+md.hydrology=(hydrologydc);
+md.hydrology.isefficientlayer=1;
+md.hydrology.sedimentlimit_flag=1;
+md.hydrology.sedimentlimit=400.0;
+md.hydrology.sediment_thickness=20.0;
+md.initialization.sediment_head=0.0*ones(md.mesh.numberofvertices,1);
+md.hydrology.spcsediment_head=NaN*ones(md.mesh.numberofvertices,1);
+md.basalforcings.melting_rate = 2.0*ones(md.mesh.numberofvertices,1);
+md.hydrology.sediment_transmitivity=1.5e-4*ones(md.mesh.numberofvertices,1);
+
+md.initialization.epl_head=0.0*ones(md.mesh.numberofvertices,1);
+md.hydrology.spcepl_head=NaN*ones(md.mesh.numberofvertices,1);
+md.hydrology.mask_eplactive_node=0*ones(md.mesh.numberofvertices,1);
+
+md.hydrology.epl_conductivity=1.5e-2;
+md.hydrology.epl_initial_thickness=1.0;
+
+md.hydrology.transfer_flag=1;
+md.hydrology.leakage_factor=500;
+
+times=0:0.2:8.0;
+md.basalforcings.melting_rate=ones(md.mesh.numberofvertices+1,length(times));
+
+for i=1:length(times)
+	if(times(i)<1.2)
+		md.basalforcings.melting_rate(:,i)=1.0;
+	elseif(times(i)<6.0)
+		md.basalforcings.melting_rate(:,i)=-0.2;
+	else
+		md.basalforcings.melting_rate(:,i)=0.0;
+ end
+end	
+
+md.basalforcings.melting_rate(end,:)=times;
+
+
+md.timestepping.time_step=0.2;
+md.timestepping.final_time=8.0;
+
+md=solve(md,HydrologySolutionEnum());
+
+field_names     ={'SedimentWaterHead5','EplWaterHead5','SedimentWaterHead40','EplWaterHead40'};
+field_tolerances={1e-13, 1e-13, 1e-13, 1e-13, 1e-13};
+field_values={md.results.HydrologySolution(5).SedimentHead, ...
+							md.results.HydrologySolution(5).EplHead,...
+							md.results.HydrologySolution(40).SedimentHead,...
+							md.results.HydrologySolution(40).EplHead};