Submission Form:
Water Bacteriology Form No. G-19 (PDF file, 88k, viewing information)

Available Tests:
Note: Only drinking water testing is available to the general public. All other testing must be submitted through Public Health Sanitarians.

Water testing
Milk testing
Food testing

See Frequently Asked Questions for submission guidelines

Water Testing:
TEST	METHOD	ACCEPTABLE RESULTS	FREQUENCY
Drinking Water	Colilert	Not found	At least once every three years or whenever the well or system repairs are made. Glycol & sweetwater samples must be collected @ 6 months.
Bottled Water	Multiple tube fermentation Membrane filtration	<2.2/100 mL <2.0/100 mL	Daily as requested by Public Health Sanitarians
Bay Water	A-1 modified method	<14/100 mL	As needed upon request by Public Health Sanitarians
Dairy Water	Multiple tube fermentation Colilert	<1.1/100 mL <1.0/100 mL	As needed upon request by Public Health Sanitarians
Stream/Sewage Analysis for Fecal Coliform	Membrane filtration	Interpreted by Submitter	Once weekly or special request by local Health Department Sanitarians
Milk Testing: ^ Top
TEST	METHOD	ACCEPTABLE RESULTS	FREQUENCY
Standard Plate count	SPC - pasteurized SPC - producer SPC - commingled	20,000/mL 100,000/mL 300,000/mL	At least four times during any consecutive six month period.
Coliform Count	VRBA	<10/mL	As requested by Public Health Sanitarians only
Growth Inhibitors	Parallux Delvotest Charm II Charm SL	Not Found	As requested by Public Health Sanitarians only
Somatic Cell Counts	OSCC DMSCC	Cow: 750,000/mL Goat: 1,000,000/mL	As requested by Public Health Sanitarians only
Alkaline Phosphatase	Advanced Fluorometer Charm II	Not Found	As requested by Public Health Sanitarians only
Freezing Point	Cryoscope	>0.525	As requested by Public Health Sanitarians only
Pathogens	Bax system BAM VIDAS	Not Found	As requested by Public Health Sanitarians only
Aflatoxins	Charm SL	0.5 ppb	As requested by Public Health Sanitarians only
Food Testing: ^ Top
Food is tested only upon request from TDSHS, local city county health departments, hospitals. All food testing is done by standard methods following the Bacteriological Analytical Manual, FDA, 8th Edition.
TESTS		METHODS
Aerobic Plate Count Bacillus cereus Enumeration Campylobacter spp. Clostridium perfringens Enumeration Coliform Count Escherichia coliO157:H7 Listeria monocytogenes Salmonella spp. Shigella spp. Staphylococcus aureus enterotoxin Staphylococcus aureus Enumeration Vibrio cholerae, Vibrio parahaemolyticus, Vibrio vulnificus Yeast & Mold Count Yersinia enterocolitica		Bax system Traditional Culture Methods (BAM) mini-VIDAS

Last Updated December 1, 2004