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2022 Well Sampling Sign-up

I missed the deadline, and want to signup now.

My well doesn’t need to be sampled because…

If the well on your ranch was already sampled for the Ag Order by someone else in 2022, please give the details below.

Ag Order 4.0 requires that the Primary Irrigation Well for each enrolled ranch be sampled between March 1 and May 31 of 2022.  The Ag Order also requires that every Domestic Well located on an enrolled ranch be sampled during this time.  After completing the registration form below, the individual(s) you designate will be contacted by one of our samplers to confirm timing, access, and other details.  Upon successful sample collection, you will need to make a payment as follows:

Primary Irrigation Wells – $160 per well
On-Farm Domestic Wells – $225 per well
Optional Irrigation Suitability – $55* per irrigation well (only if requested by grower)

*If desired by the grower, field sample collectors will submit sufficient bottles to the laboratory to support a full “Irrigation Suitability” analysis. The cost is an additional $55 in Monterey, Santa Cruz, Santa Clara, San Benito, and San Mateo counties. The following additional analysis will be included: Alkalinity, Bicarbonate, Boron, Calcium, Carbonate, Chloride, Conductivity, Hardness, Iron, Magnesium, Manganese, Nitrate, pH, Potassium, SAR (Sodium Absorption Ratio) & Adjusted SAR, Sodium, Sulfate, TDS (Total Dissolved Solids). For SLO and Santa Barbara counties, please contact Fruit Growers Laboratory for pricing.

Prices include the following, each of which is mandated by Ag Order 4.0:

  • In-field parameter measurement and stabilization (pH, conductivity, temperature)
  • Sample collection by a qualified technician
  • Chain-of-custody form completion and cold sample delivery to a certified laboratory
  • Laboratory analysis of Total Dissolved Solids and Nitrate (Irrigation Wells & Domestic Wells)
  • Laboratory analysis of 1,2,3-Trichloropropane (Domestic Wells only)
  • Lab-direct reporting to GeoTracker

Contact Info

  • PO Box 2227
    Watsonville, CA 95077
  • 831-761-8644 (phone)
  • 831-761-8695 (fax)
For a full list of contacts please
visit our contact page.

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