The Riverside Highland Water Company, a shareholder-owned public utility company, provides water for about 18,691 residents living in the area of Grand Terrace, a city in San Bernardino County, California. Established in 1898, the Riverside Highland Water Company Water System currently obtains its supply from a blend of groundwater sources, primarily 87% from company-owned wells in the San Bernardino and Riverside North Basins and 17% from two wells in the Baseline Feeder in the San Bernardino Basin under the management of San Bernardino Valley Municipal Water District.

Grand Terrace Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Riverside Highland Water Company to assess local water quality each year and distribute a Consumer Confidence Water Quality Report. At WaterZen, we review these reports and make the information available, in a concise, straightforward, and easy-to-understand way.

Excellent

WaterZen Rating

Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

What about Riverside Highland Water Company? How much lead is in your drinking water? And how do those levels compare to other cities in the state? We examined data from hundreds of cities across the nation to understand and grade your water quality.

As you can see, Riverside Highland Water Company received the best-possible grade because the amounts of contaminants found in the water supply were better than the Public Health Goal and most other water providers we've analyzed.

Excellent

WaterZen Rating

Lead levels in the drinking water of some cities across the United States are too high, potentially creating public-health issues for the people living in those areas.

Contact Riverside Highland Water Company Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
12374 Michigan Street
Grand Terrace, California 92323

909-825-4128
sparker@rhwco.com

Emergency (24 hours - broken water main or pipeline, etc.)
909-825-4128

Pay Your Riverside Highland Water Company Bill

Already have an account?

If you already have an account, you just need to login to the Riverside Highland Water Company site. Riverside Highland Water Company accepts credit cards, debit, and direct deposit. Click here to login.

Want to create a new account?

You can create a new account on the Riverside Highland Water Company website. Once you create the account, you can setup payment with credit, debit, or direct deposit. Click here to create an account.

Want to pay without an account?

You can make a one-time payment without creating an account. You will need to have your credit or debit card in order to make the one time payment. Click here to make a one time payment.

How to Start Grand Terrace Water Service

Starting Your Service

When you move to a new home in Grand Terrace, you'll most likely already have running water, but you'll still need to set up water service with the Riverside Highland Water Company. Luckily, Grand Terrace has made it pretty simple with the following online form. Starting service generally takes just two business days.

Click here to fill out a Start Service Form.

Stopping Your Service

When you move out of a home in Grand Terrace, you'll need to stop your water service with the Riverside Highland Water Company, so you don't keep getting billed. Simply fill out the following online form. Stopping service normally takes just two business days.

Click here to fill out a Stop Service Form.

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