Olmito Water Supply Corporation, Inc., a nonprofit community water system, provides water to about 5,800 residents living in Olmito, Cameron County, Texas. Founded in 1967, Olmito Water Supply Corporation, Inc. System currently obtains its surface water supply from the Rio Grande River.
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Olmito Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires Olmito Water Supply 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. You can find CCR report on the Olmito Water Supply website.

Contact Olmito Water Supply Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
Po Box 36
Olmito, Texas 78575-0036

phone
None

Emergency (24 hours - broken water main or pipeline, etc.)
956-350-4099

Pay Your Olmito Water Supply Bill

Already have an account?

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

How to Start Olmito Water Service

Starting Your Service

When you move to a new home in Olmito, you'll most likely already have running water, but you'll still need to set up water service with the Olmito Water Supply. Luckily, Olmito 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 Olmito, you'll need to stop your water service with the Olmito Water Supply, 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.