Karnes City Drinking Water Quality

Consumer Confidence Water Quality Reports

Under the authority of the Safe Drinking Water Act, the EPA requires El Oso 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 El Oso Water Supply website.

Contact El Oso Water Supply Customer Service

Have a Question, Issue or Comment?

Main Customer Service

Physical Address:
Po Box 309
Karnes City, Texas 78118-0309

phone
None

Emergency (24 hours - broken water main or pipeline, etc.)
830-583-3543

Pay Your El Oso Water Supply Bill

Already have an account?

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

How to Start Karnes City Water Service

Starting Your Service

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