diff --git a/appl/lecture/mhs/groundwater/interface_groundwater.xml b/appl/lecture/mhs/groundwater/interface_groundwater.xml
new file mode 100755
index 0000000000000000000000000000000000000000..75c339f9e53b54cc62842165a6fff46ae7a255d4
--- /dev/null
+++ b/appl/lecture/mhs/groundwater/interface_groundwater.xml
@@ -0,0 +1,115 @@
+<Groundwater_problem>
+
+    <SoilProperties>
+        <GlobalPermeability>
+            0.0005
+        </GlobalPermeability>
+	<Lens>
+		<Permeability>
+		    0.0005
+		</Permeability>
+		<Left>
+		    40
+		</Left>
+		<Right>
+		    60
+		</Right>
+		<Bottom>
+		    40
+		</Bottom>
+		<Top>
+		    60
+		</Top>
+	</Lens>
+    </SoilProperties>
+
+    <FluidProperties>
+        <Density>
+            1e3 
+        </Density>
+	<Viscosity>
+	    1e-3
+	</Viscosity>
+    </FluidProperties>
+
+    <ProblemProperties>
+	<XLength>
+	    300
+	</XLength>
+	<YLength>
+	    100
+	</YLength>
+	<ZLength>
+	    100
+	</ZLength>
+	<XResolution>
+	    31
+	</XResolution>
+	<YResolution>
+	    11
+	</YResolution>
+
+	<PlotMode>
+	0
+	</PlotMode>
+
+	<Boundary>
+		<Left/>
+		<Type>
+		neumann
+		dirichlet
+		</Type>
+		<Value>
+		0
+		70
+		</Value>
+		<EndPoint>
+		20
+		</EndPoint>
+
+		<Right/>
+		<Type>
+		neumann
+		</Type>
+		<Value>
+		-0.001
+		</Value>
+	</Boundary>
+
+	<Source>
+		<X>
+		    250
+		</X>
+		<Y>
+		    30
+		</Y>
+		<Q>
+		    -0.00
+		</Q>
+	</Source>
+	<Source>
+		<X>
+		    250
+		</X>
+		<Y>
+		    50
+		</Y>
+		<Q>
+		    -0.000
+		</Q>
+	</Source>
+	<Source>
+		<X>
+		    250
+		</X>
+		<Y>
+		    70
+		</Y>
+		<Q>
+		    -0.00
+		</Q>
+	</Source>
+
+    </ProblemProperties>
+
+</Groundwater_problem>