The City of Round Rock Environmental Services Laboratory has been providing bacteriological testing services to water utilities and the public since 1996.  The laboratory's team of professionals consists of degreed and licensed professionals in a variety of scientific disciplines including biochemistry, marine biology, and freshwater biology.

Accreditation

• Texas Commission on Environmental Quality (TCEQ), since 1996
• National Environmental Laboratory Accreditation Program (NELAP), since 2007
  (download a copy of the NELAP Accreditation Certificate)

Location

The Environmental Services Laboratory is located on the west side of IH-35 between the cities of Round Rock and Georgetown (download a map and directions).

Hours of Operation

The Environmental Services Laboratory accepts samples Monday through Thursday from 8 a.m. to 4 p.m.  The laboratory is closed on City holidays and on the day preceding the holiday (2012 Holiday Schedule; 2013 Holiday Schedule).

Samples are accepted outside regular business hours of operation at the laboratory's discretion.  Samples that are approved for analysis outside regular hours of operation will incur 2.0x the regular fee.  Availability of results may vary.

Please call the laboratory at (512) 218-5561 if you need to submit samples outside of the laboratory's regular hours of operation.

Fee Schedule

Test Type	Test Run Time	Cost
Total Coliform Presence/Absence	24 hours*	$15 per sample
Total Coliform Presence/Absence	18 hours**	$20 per sample
E.coli enumeration (colony count)	24 hours*	$20 per sample
E.coli enumeration (colony count)	18 hours**	$25 per sample
Field Chlorine Instrument Check		$10 per instrument
*Results for 24-hour tests are available on the day after drop-off around 4 p.m. **Results for 18-hour tests are available on the day after drop-off around 10 a.m. Prices are subject to change without prior notice.

For more information, please contact:
City of Round Rock Environmental Services Laboratory
Phone:  (512) 218-5561
Fax:  (512) 341-3316
E-mail:  Water_Lab_Question

Map and Directions