WA - This is the portion of your bill that goes to pay the labor and materials for any work done to the water well systems. 

SW - This is the portion of your bill that goes to pay the labor and materials for any work done at the wastewater treatment plant. 

CO - This is the portion of your bill that goes to pay the labor and materials for any work done on the sewer lines that connect your home to the wastewater treatment plant.

RI - This is the portion of your bill that goes into a savings to pay for future equipment/repairs that may be needed at the wastewater treatment plant.

WD - This is the portion of your bill that goes to pay off the bond that was taken out to pay for the new wells that were drilled.

SD - This is the portion of your bill that goes to pay off the bond that was taken out to pay for the wastewater treatment plant.