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Covid-19 Community Testing



Free                       Thank You for Testing with River Delta Unified              Gratis        

Covid-19 Community Testing


All Community sites have changed to a Statewide system called Color, which is a paperless system using a software program called Color.

WHEN: Thursdays 1-5pm

WHERE: Walnut Grove Elementary School Auditorium

14181 Grove Street, Walnut Grove, CA 95690

RESULTS: 24-72 hours by e-mail or text message


Please follow the steps below to register

STEP 1: Register for a test on COLOR. You MUST complete this step to fulfill registration. This portion of the registration takes the most time to complete, so we highly recommend completing this step before your testing date. Incomplete registration will result in delays in testing and results.

Register on Color Here

STEP 2: Arrive at your testing site with your ID and wear a face mask. For directions to the Walnut Grove Auditorium testing site click on the map.

Map of 14180 Grove St, Walnut Grove, CA 95690   


Additional Information

Your testing sample will be obtained via self-swab guided by trained staff. You will be provided a card with a barcode to obtain your results online. Do your best not to lose your barcode. We recommend taking a picture of your card to be on the safe side. See my results

We hope this information is useful to you. Continue to wash your hands, physically distance, wear a face covering, and stay safe.

Frequently Asked Questions

How will I know when my results are ready?
You will receive a text and email at the phone number and email you provided. You can also visit Color's website to check if your results are ready. You’ll need to enter your date of birth and the test barcode found on your test kit card. Check if my results are ready

Expected Turn Around Time
24-72 hours. 
Turnaround time is the usual number of hours from the time a specimen is received at the laboratory to when the result is released

What do I do if I’ve lost my barcode?
Please do your best to keep your barcode. Losing it may delay access to your results. Some people take a photo of it with their phone, just in case. If you lose your barcode, please contact Color Support for assistance at 833-594-1825 or by email.

Who should I contact if I have more questions or if I need help accessing my results?
Please contact Color Support at 833-594-1825 or by email.


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