TNA – Total Nitrogen Applied Reporting

Para ver esta informacion en espanol, haga clic en la bandera mexicana en la parte superior derecho de la pantalla.

Total Nitrogen Applied (TNA) reports on the 2023 crop year are due by March 1st of 2024.  This requirement applies to all ranches currently enrolled in the Central Coast Ag Order, except for a small number of ranches designated as “Phase Area 1” in Ag Order 4.0.

Phase Area 1 ranches must submit a INMP Summary Report. Click here to visit out INMP Reporting page. 

Failure to submit a required TNA report may result in enforcement action by the Central Coast Water Board, and/or loss of Third Party membership with Preservation, Inc.   

JUMP TO:

Jump to: Section I – Introduction & Checklist
Jump to: Section II – Recordkeeping & Calculations
Jump to: Section III – Submit a Report
Jump to: TNA FAQ Page

Section I – Introduction & Checklist

You will need the following information in order to complete the TNA report. You can download this checklist here: TNA Reporting Materials Checklist

  • Preparer Name 
  • Preparer Company 
  • Preparer Email 
  • Preparer Phone Number 
  • Calendar year of TNA data being reported 
  • Ag Waiver (AW) number 
  • Global ID (AGL) number
  • Ranch name
  • Assessor Parcel Number(s) (APN’s) farmed  
  • The total number of acres that were farmed
  • Total number of acres left fallow  
  • Whether or not the ranch is a greenhouse, nursery, or hydroponic operation 
  • Primary source of irrigation water (i.e. well versus city versus recycled, etc.)
  • Total volume (in gallons) of irrigation water applied to the entire reported acreage during the reporting period
  • The average nitrate concentration (in mg/L or ppm) of irrigation water applied
  • The average nitrate concentration unit of irrigation water applied
  • Crop(s) you are reporting
  • Total crop acres for selected crop*
    • Crop acres takes into account successions (i.e. if you have 10 acres and you did two successions of lettuce then you will report
      20 acres)
  • Amount of Nitrogen present in soil as pounds of Nitrogen per crop acres (lbs/crop-acre)
  • Amount of conventional (synthetic) fertilizers and other materials pounds of Nitrogen per crop acre (lbs/crop-acre)

Section II – Recordkeeping & Calculations

If you are not already closely tracking the types and amounts of fertilizers and irrigation water that you apply to each crop, you will need to do a significant amount of record keeping before preparing your TNA report. 

Once you have all of your fertilizer and irrigation records in one place, you will need to convert this information into the total pounds of N and volume of water applied to each crop on each of your ranches for the year. 

Here is a link to the Regional Water Board’s introductory video on TNA reporting. Information on recordkeeping begins at the 3:50 point in the video: https://www.youtube.com/watch?v=Y-w882JKz0w 

The following records or calculations are needed to complete the TNA report. In some cases there are also links to recordkeeping and/or calculator tools. Use of these tools is not required, but they may be helpful if you do not already have a system in place:

  1. Volume of irrigation water applied, in gallons
  2. Pounds of N in irrigation water 
  3. Soil nitrogen content from soil test
  4. Pounds of N applied in fertilizer
  5. C:N ratio
    • Finding this information
  6. Organic versus synthetic/conventional

Section III – Submit a Report

To Submit Your Report:

  • Asistencia en espanol – Llame a 831-240-9533 o escriba a Support@ccwqp.org. Haga clic para TNA-EZ Form en espanol. 
  • If you are not comfortable using computers or Excel spreadsheets, call 831-240-9533 
  • Operations that grew three of fewer crops on a single ranch in 2022 may use Preservation, Inc’s new TNA-EZ Form.  
  • All others please download the TNA Reporting “Template” spreadsheet below
    • Contact the Support Line with basic questions (phone number and email above)
    • For advanced technical support, contact Marco Sigala at marco.sigala@sjsu.edu
  • If you used the Template to submit your TNA report last year, you can start this year’s report from the same saved file and do not need to download the Template again.

Preservation, Inc. Total Nitrogen Applied (TNA) Reporting Form

Excel Template

The information required in the Preservation, Inc. TNA report TEMPLATE (an MS Excel file) is identical to the information required by the GeoTracker TNA web-form.  The layout is different, to support rapid data entry for growers and service providers who:

  • Need to report on large numbers of ranches and/or crops; AND
  • Already have systems in place to calculate the final values required for the report

If you used the Preservation, Inc. TNA report Template to file your report last year you can use that saved file as a starting point for your current year report. (To request a copy of last year’s report, please email Support@ccwqp.org.)

DOWNLOAD TEMPLATE HERE

How To Submit a TNA Report

Third Party members must use Preservation, Inc’s TNA reporting tools to submit their TNA reports (see below).

  • Please upload your completed report to Preservation, Inc’s “TNA Report Submittal Site“
  • If you experience any problems uploading your report to the above-linked page, please email it as an attachment to: Support@ccwqp.org

If you are not comfortable using computers or Excel spreadsheets, call 831-240-9533.

Is the Preservation, Inc. TNA Report Different than the Web-Form TNA Report in Geotracker?

The reporting form itself looks different, but the information required is exactly the same. Preservation, Inc. does not require submittal of any information that is not also required by the Central Coast Water Board.
Comparison of GeoTracker Web-Form to Preservation, Inc. TNA Report
Answers to additional Frequently Asked Questions

Video Walk-Through of the Template

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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