Water Bacteriology

The VAEL Water Bacteriology lab utilized various microbiological techniques to detect total coliform and E.coli bacteria in water sources including food processing, recreational and wastewater.  VAEL does not test drinking water.  Samples are not accepted from the general public.

Accreditations:

  • New England Laboratory Accreditation Program (NELAP)
  • U.S. Food & Drug Administration – CFSAN Milk Quality & Safety Branch

Dairy Processing Water

Samples may be submitted to the lab from the following entities, VAAFM field staff, dairy processors and farmstead dairy operators

Sample Requirements:

  • Sterile 120mL vessel or 300 ml Whirlpak pags containing a minimum of 120ml of sample
  • Sample taken using aseptic protocol
  • Sample submission form to accompany samples
  • Sample kept cold during transit 0 – 4.5⁰C
  • Sample received within 30 hours of collection

Sampling & Submission Guidelines:

Note: Prior notification is highly recommended. CONTACT US Test requested and state holiday schedule determine laboratory delivery days  STATE HOLIDAY SCHEDULE 

  • Sample water into sterile 120 mL Idexx Colilert vessel or 300 mL sterile WhirlPak bag
  • Label sample containers using a permanent marker (Date of Sampling, Sampler, Sample Description)
  • Collect samples that are representative of the water source being tested
  • If applicable, disinfect and flush sample ports 
  • Remove and discard plastic seal
  • Keep sampling container closed until it is filled, do not contaminate inner surface of cap or sampling container, replace cap immediately
  • Using aseptic technique, fill container without rinsing to just above fill line (leave ample air space for mixing)
  • Place samples in leak-proof cooler - containing ice & water slurry
  • Transport samples with appropriate Submission form (below) to the lab as soon as possible
  • Best methods of transport are hand delivery, same-day or overnight courier
  • In order for sample results to be used for official analysis, transit time must not exceed 30 hours and sample temperature must be <10C (preferably 0 - 4.5C) at time of receipt

SUBMISSION FORM (Drilled Wells, Dug Wells, Artesian Wells, Springs, Municipal supplies) - Colilert Presence/Absence technique

SUBMISSION FORM (Process Water - Recirculating) - Tube Fermentation technique

 

Environmental Water Bacteriology

Samples originate from the Agency of Natural resources many through the Watershed Monitoring Volunteer program.

Note: Prior notification is highly recommended. Test requested and state holiday schedule determine laboratory delivery days  STATE HOLIDAY SCHEDULE 

Sample requirements:

  • Sterile 120mL vessel
  • Duplicate when required
  • Sample taken using aseptic protocol
  • Field collection form to accompany sample
  • Proper sample identification
  • Sample kept cool during transit

 

Contact Information

Agency of Agriculture, Food & Markets

116 State Street
Montpelier, Vt 05620-2901
802.828.2430

 

Program Contacts

  • Media Inquiries                      802.622.4662
  • Licensing & Registration        802.828.2436
  • Business Development          802.828.1619
  • Feed, Seed, Fertilizer & Lime  802.828.2431
  • Working Lands                    802.622.4477
  • Public Health & Resource Management                802.828.2431
  • Laboratory                                  802.585.6073
  • Animal Health                        802.828.2421
  • Dairy                              802.828.2433
  • Consumer Protection / Weights & Measures                           802.828.2433
  • Produce Program                  802.522.7811
  • Meat Inspection                    802.828.2426
  • Water Quality                               802.828.2431
    • Farmer Assistance                    802.622.4098
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