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1. Sender's Details: Complete name, account number, service address, and contact information of the complainant

2. Date: Current date when the letter is written

3. Recipient's Details: Name and address of the water utility company, including specific department/person handling billing complaints

4. Subject Line: Clear indication that this is a complaint regarding high water bill, including billing period and account number

5. Greeting: Formal salutation to the appropriate authority

6. Opening Statement: Brief introduction stating the purpose of the letter and identifying yourself as a customer

7. Bill Details: Specific details about the disputed bill, including the amount, billing period, and normal consumption pattern

8. Basis of Complaint: Clear explanation of why you believe the bill is incorrect, including comparison with previous bills

9. Request for Action: Specific actions you are requesting (e.g., bill review, meter inspection, adjustment)

10. Closing: Professional closing statement with expectation for response and contact information

1. Copy of Disputed Bill: Attachment of the current high water bill being disputed

2. Previous Bills: Copies of previous months' bills to show normal consumption pattern

3. Meter Readings Photo: If available, photographs of water meter readings

4. Proof of Payment: Copies of recent payment receipts if referencing payment history

5. Supporting Documentation: Any relevant documents such as plumber's reports, travel documents (if away), or maintenance records