California American Water

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California American Water is a regulated water and wastewater utility that provides drinking water and wastewater services to customers across multiple regions in California.

San Diego, California
Owned by American Water Works Company, Inc.

About California American Water

California American Water is a state-level subsidiary of American Water, one of the largest regulated water and wastewater utilities in the United States. Operating in communities throughout California, the company delivers treated drinking water and wastewater services to hundreds of thousands of residents and businesses, maintaining treatment plants, distribution systems, and related infrastructure in compliance with state and federal standards, including those of the U.S. Environmental Protection Agency.

A charge from “California-ameri” or similar on a bank or credit card statement is typically a bill payment for residential or commercial water and/or wastewater service. These transactions may appear as one-time monthly utility payments, automatic recurring bill payments set up through the company’s MyWater online portal, or payments made via phone or third‑party bill-pay services offered by banks. In some cases, you might also see small test or partial charges if a payment was reversed, adjusted, or re-billed following a correction to your account.

If you have questions about a charge, the best first step is to log into your California American Water MyWater account to review your billing history, usage, and payment records, or to compare the amount with your latest paper or electronic bill. Customers can contact California American Water’s customer service team by phone or through the contact options listed on their website for clarification, payment arrangements, or dispute resolution. Keep your account number, service address, and recent statements handy, as this information will help the company quickly locate your account and explain or correct any unexpected charges.

Bank Statement Variations

1 known variations

These are the raw merchant codes that appear on bank and credit card statements that we've identified as belonging to California American Water.

  1. California-ameri

Frequently Asked Questions

Why do I see a charge labeled "California-ameri" on my card or bank statement?

This descriptor is commonly used for payments to California American Water for residential or commercial water and/or wastewater service in California. Compare the date and amount of the charge to your most recent water bill or your MyWater online account activity to confirm it matches your utility payment.

Is my California American Water bill a recurring charge or a one-time payment?

Most customers are billed on a monthly cycle; if you enrolled in automatic payments through MyWater or your bank’s bill-pay service, the charge will recur around the same time each month. If you paid manually by phone, online, or in person, it will appear as a one-time payment for that specific billing period.

How can I view my bill details and confirm the amount charged by California American Water?

Log into your MyWater online account via amwater.com/caaw to view current and past bills, usage history, and payment confirmations. You can also compare the billed amount on your statement with the charge on your bank or card account to ensure they match.

How do I update, pause, or cancel automatic payments to California American Water?

Sign in to your MyWater account and go to the billing or payment settings section to modify or cancel AutoPay. If you set up automatic payments through your bank’s bill-pay system, you must adjust or cancel them directly within your bank’s online or mobile banking portal.

What should I do if I believe I was overcharged or see an unexpected California American Water fee?

First, review your bill details in MyWater or on your paper/electronic statement to check for increased usage, rate changes, fees, or past-due balances. If the charge still seems incorrect, contact California American Water customer service using the phone number or contact form listed on amwater.com/caaw and have your account number and billing dates ready for review.

Can California American Water place authorization holds or temporary charges on my account?

In most cases, charges from California American Water represent finalized bill payments. However, if you pay online or by phone, you may briefly see a pending transaction or hold while your bank or card issuer processes the payment; this typically settles or disappears within a few business days.

How can I get a copy of a receipt or past bill for a California American Water charge?

Receipts and prior bills are available through your MyWater online account, where you can download or print PDFs of past statements and payment confirmations. If you cannot access them online, you can request copies through customer service, who may mail or email them to the address on file.

Who should I contact if I have a dispute or need a payment arrangement for my California American Water bill?

Contact California American Water’s customer service team using the phone number listed on your bill or on amwater.com/caaw. They can explain your charges, set up payment arrangements if you’re having difficulty paying in full, and guide you to customer assistance or low‑income support programs if you qualify.

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