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Online Payment

Pay your utility bill online through our Customer Web Portal. Customer account number is required.  3% convenience fee applies.


Postcard utility bills are mailed monthly prior to the 25th of each month.  Past due balances are subject to a 1.5% service charge.

Pay by Mail

Mail check and pay stub to:

P.O. Box 494

Mariposa, CA  95338

Pay in Person
Additional Assistance  

Low Income Household Water Assistance Program (LIHWAP) offers assistance providing one-time payments to low-income households. If you are struggling to afford your water and wastewater bills, please visit 

Drop off your payment at the District administrative office located at 4992 7th Street in Mariposa.  We are located up the street from Subway and across the street from the River Rock Inn.  Drop box is available for after hours payments.

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