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Annual Return Instructions for Filing (WET)

Line 1:

Gross sales subject to water service excise tax - Report gross sales of water piped for compensation for the entire year. Do not include other sales of tangible personal property or services.

Line 2:

Goods consumed (water only) - Report the cost of water consumed subject to the water service excise tax when tax has not been previously paid. Goods consumed is water you originally purchased tax free for direct resale or to be incorporated into a product for resale, but instead were used by you. The amount to report is the original cost paid by you to your supplier.

Line 3:

Total - The amount on Line 1 plus the amount on Line 2. This will be automatically calculated by the system.

Line 4:

Exemptions for water use only - Report the amount of water piped for compensation that qualifies to be exempt from the excise tax this year.

  • Interstate commerce
    Sales made where delivery occurred outside Iowa.
  • Resale
    Sales of water that will be resold in its present form by the purchaser.
  • Processing
    Sales of water that will be incorporated into another item for resale by the purchaser.
  • Other
    Any exempt sales made during the year that do not fall into any of the previous categories.

Line 5:

Taxable Amount - The amount on Line 3 minus the amount on Line 4. This will be automatically calculated by the system.

Line 6:

Water service excise tax - 6% of the taxable amount on Line 5. This will be automatically calculated by the system.

Line 7:

Deposits/Overpayment credits - Enter the amount of Water Service Excise Tax already deposited for the year or the amount of any overpayment on a previous water service excise tax return that you chose to carry forward to this year. Do not include any penalty and/or interest paid. If none, enter zero.

Click on "View Deposit History" to see a record of deposits you have made for this year. NOTE: Deposits made within the last few weeks may not yet appear.

Line 8:

Balance - The amount on line 6 minus the amount on line 7. This will be automatically calculated by the system.

Line 9:

Penalty - Automatically calculated by the system.

Are you filing the return late but have 90% of the tax paid by the due date? You do not owe any penalty.

Are you filing the return late and do not have 90% of the tax paid by the due date? You owe 10% of the tax not paid by the due date.

Did you file your return on time but did not pay 90% of the tax by the due date? You owe 5% of the tax not paid by the due date.

Penalties can be waived only under special circumstances. If more than one penalty applies, the 10% penalty is the only one charged.

Line 10:

Interest - Automatically calculated by the system.

Are you paying any amount of your tax after the due date? 

You owe interest on the amount due. Interest accrues on the unpaid tax from the due date of the return. Any fraction of a month is considered as a whole month. Interest cannot be waived. The interest rate may change each year.  

Line 11:

Total amount due - The total of Lines 8, 9, and 10. Automatically calculated by the system.

Calculate
Click this button to complete the calculation of the return based on the information you entered.

Continue
Click the continue button to move to the next screen.

Back
Click the back button to return to the prior screen.  Note:  Clicking this button will erase all information entered and it will not be saved.

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