Bridging the GAPs: Approaches to Treating Water On Farms

• Preventative maintenance – Quartz Glass should be cleaned regularly (free of algae and soil, which block UV light)

• Recommended to replace light after 10,000 hours of use

Water testing

Microbial water testing is recommended to verify effectiveness of any treatment. This water testing demonstrates the adequate sanitary quality of the water. The Produce Safety Rule requires generic E. coli as the target organism for which to test. In addition, there may be some value in knowing the coliforms per 100 ml. As we discussed, there is no regulatory requirement to test any agricultural water when you treat water in accordance with requirements in §112.43 and this treatment has been shown to be effective. That means there is no microbial water quality profile (MWQP) that needs to be established.

Water testing intervals are determined by the operation will help verify treatment effectiveness and may still be required by auditors or buyers.

Corrective actions

Step

Corrective Action

1

Identify the issue that is causing non-compliance

2

Take a water sample

3

Correct the issue

4 Identify what produce was exposed to water that was not adequately treated

5 Conduct an assessment of the produce based on: time to harvest and microbial quality of the water, to determine what to do with crops that were in contact with untreated agricultural water

6

Always maintain a record of all corrective actions

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