Nationwide Water Testing Labs - FSMA Lab Readiness Survey
The Food Safety Modernization Act (FSMA) tasks vegetable and fruit growers with testing their well water and surface water sources for generic E. coli. Enforcement of this water testing will begin in 2022.
Production Water is any water used before harvest that touches the marketable portion of the crop. For each well water source of Production Water, growers will need to do four tests in the first year, and then one every year after that. For each surface water source, they will need to do 20 tests within four years, and then five per year after that. The expectation is that growers create a rolling four-year numerical data set of samples for each water source to calculate a Microbial Water Quality Profile. The samples must be delivered to the lab within 6 hours of collection for quantitative tests. The Food and Drug Administration has approved of nine quantitative methods for testing Production Water, listed here:
Postharvest Water is any water used during or after harvest that touches the marketable portion of the crop. For each well water source of Postharvest Water, they will need to do four tests in the first year, and then one every year after that. Water cannot have any detectable generic E. coli for postharvest use, and no untreated surface water is allowed for postharvest use. The samples must be delivered to the lab within 6 hours of collection for quantitative tests, and within 30 hours for presence/absence tests. Any of the nine approved quantitative tests are allowed for Postharvest Water, in addition to seven approved presence/absence tests, listed here:
We need your help to determine where growers can turn for these samples. By submitting your lab's information below, we can place your lab on our nationwide map of testing locations for fruit and vegetable growers. The map, which will be continuously updated and eventually distributed to produce growers, can be found here:
Note: Questions about this mapping project? Please contact Northeast Center to Advance Food Safety,
What is your lab called?
Do you sell/provide sample bottles?
Can you perform any of the following quantitative generic E. coli tests in-house?
EPA Method 1103.1 (mTEC agar)
EPA Method 1603 (modified mTEC agar)
EPA Method 1604 (MI agar)
ASTIM Method D5392-93 (mTEC agar)
Standard Methods 9213 D (mTEC agar)
Standard Methods 9222 B (m-Endo) followed by 9222 G (NA-MUG agar)
Standard Methods 9223 B (IDEXX Colilert test kit) with Quanti-tray 2000
Standard Methods 9223 B (IDEXX Colilert-18 test kit) with Quanti-tray 2000
Hach Method 10029 (m-ColiBlue 24 ampules)
Can you perform any of the following presence/absence generic E. coli tests in-house?
TECTA EC/TC medium and instrument
Modified Colitag (ATP-D05-0035)
IDEXX Colilert test kit
IDEXX Colilert-18 test kit
IDEXX Colisure test kit
E*Colite Bag or Vial test
Readycult Coliforms 100
Which days of the week do you accept samples?
Should growers call ahead?
Yes, for weekend work or large volumes of samples
Can you provide on-farm sample pickups?
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