RCD staff can evaluate and improve the precision of your irrigation protocols in the vineyard.

Save Water, Save Money, Maximize Quality

The best irrigation schedule has a triple bottom line: efficient use of water, sensible use of labor and maximum quality of fruit.

Efficient, targeted irrigation benefits both your bottom line and the quality of your fruit, ensuring vines get the right amount of water at the right time. Here are the benefits of irrigation efficiency:

  1. Maximize grape quality
  2. Optimize grape yields
  3. Minimize operational costs and improve labor efficiency
  4. Reduce disease risks to your crop

The Napa County Resource Conservation District (RCD) received grant funding to assist growers with low- to no-cost services that improve vineyard irrigation efficiency and scheduling. These include a comprehensive “Irrigation Toolbox” and the “Mobile Irrigation Lab” (a core component of the Toolbox).

The Irrigation Toolbox

The full-scale Irrigation Toolbox is a new service that will be offered to five growers to help them with consultation, tools and technologies to holistically evaluate and improve irrigation volume and timing.

This is for growers who want to upgrade their overall irrigation system. We’re seeking vineyards with irrigation issues and growers who want assistance with scheduling and haven’t yet pursued precision irrigation. This could be soil analysis, implementing both mainstream and cutting-edge technologies and/or addressing water quality issues.

The Irrigation Toolbox is customized and RCD staff will work with each grower for two full irrigation seasons to help with ongoing monitoring and use of the equipment. The RCD will release a request for applications in April. Please note there is a cost-share component.

The Mobile Irrigation Lab

Any grower can request the Mobile Irrigation Lab. The Lab provides rapid evaluation of irrigation efficiency and uniformity throughout the vineyard. It identifies ways to improve water use and irrigation system performance, which improves vine health. The evaluations focus on Distribution Uniformity (DU) – how evenly the irrigation system is delivering water throughout the vineyard block.

The assessments require the grower to run a normal irrigation set on a standard irrigation area where the grower has some concern or wants to gain additional information for that vineyard. Each grower will commit to participating in the evaluation (2-4 hours), which is considered the “cost share” component.

The grower always gets something out of the evaluation. DU evaluations often aren’t on the top of the vineyard manager’s to do list, and can be overlooked. But if the DU rating is low, the field isn’t being irrigated uniformly, usually due to low-pressure or clogged emitters. We often identify quick adjustments like filter cleaning or injecting a drip cleaner a few times a year to break down and dissolve blockages.

Schembre has worked with small growers and large vineyard management companies to develop custom protocols. This includes Renteria Vineyard Management, which manages several Napa Green Land sites. The evaluation can be particularly helpful for those managing multiple vineyards over broad areas.

Working closely with the Napa RCD and developing custom drip uniformity protocols has enabled Renteria Vineyard Management to accurately and efficiently irrigate specifically designed precision farming zones with confidence. With these capabilities, we’ve increased yields and quality.

Contact Frances Knapczyk,, to learn more about the Irrigation Toolbox and/or sign up for your free evaluation of irrigation efficiency and uniformity.

Read the Series:


Save Water, Save Money, Maximize Quality | Efficient, targeted irrigation benefits the bottom line and fruit quality, ensuring vines get the right amount of water at the right time.


Reaping the Benefits of Cutting-Edge Irrigation Technologies | Two companies offer precision irrigation technologies to Napa Valley vineyard managers.

Napa Green is about producing wine responsibly and being proud of our respect for the environment and for future generations.​

Napa Green & Premiere Napa Valley 💚

Thank you for creating such a beautiful event @wheelerfarmswinery! 

Incredible offerings from Napa Green Certified wineries @aowinery, @chandonusa, @grgichhills, @inglenook1879, @rombauervineyards, @spottswoodewinery, @trefethenfamily, @troisnoixwine & @stsupery!! 

Cheers to @premierenapa!
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The whole team is here and some amazing friends are joining us like @spottswoodewinery, @accendocellars, @aowinery, @stsupery, @rombauervineyards, @chandonusa, @troisnoixwine, @trefethenfamily, @matthiasson_wine & @grgichhills! 

Our first @premierenapa event kicks off at 4pm today at @wheelerfarmswinery!! 🍷🎉
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Grazing in the vineyards with a big assist from Cup the Sheep Dog! 

We’ll see you at our event in partnership with @napa_valley_grapegrowers on Feb 27th at @thecastello! Link in bio for registration. 

#welovedogs #sheepdog #sheepfarming #grazing #vineyards #napa #napavalley #regenerativeagriculture #soilhealthmatters
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Sign up for the Grazing Workshop on Tuesday, Feb 27th at @thecastello at the link in our profile. 

@napa_valley_grapegrowers @perennialgrazing
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Add the Napa Green logo to your back label! 

Find the link in our profile or email Happy bottling season!
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Not just talking the talk but walking the walk is very important to us. One way we do that is by providing our members with as many tools and resources as possible. Here’s what’s coming up: 

1. Weed Management Equipment & Tools for herbicide-free farming - Thurs, Feb 15th at @inglenook1879 at 9:00am. 

2. Napa Green Premiere Open House for the Wine Trade - Thurs, Feb 22nd at @wheelerfarmswinery at 4:00pm. 

3. California Small Farms Conference - Thurs, Feb 25th with @mimicasteel & Ben Mackie at 3:00pm. 

4. Grazing for Vineyard Health & Fire Resilience - Tues, Feb 27th at @thecastello at 9:00am. 

Find all details and registration on under the Connect with Us tab or just head to the link in our profile. We’ll see you all soon.
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📣 February Events! ➡️ Connect with us ➡️ Events & Workshops! 

Or head the link in our profile to find it all & how to register with one click. See you all at an event soon.
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Join us for a Grazing for Vineyard Health & Fire Resilience Field Day in partnership with @napa_valley_grapegrowers. During this February 27th event we’ll discuss ways to best utilize sheep in the vineyard and employ grazing animals for woodland management, addressing both fire fuel reduction and post fire recovery. Don’t miss this opportunity to delve into regenerative practices for your vineyard and beyond! 

Find the link in our profile to register.

📸: @sarahannerisk
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History, sustainability & fine wine at Napa Green Certified @schramsberg! 🥂

#wine #sparklingwine #schramsberg #napa #napavalley #winecave #winecollector #winelover #sustainability #organicvineyard
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🍷Wine Trade! Register for our Premiere Napa Valley event on Feb 22nd at the link in our profile!🍷
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Apply for a grant! Applications can be found at the link in our bio. 

#sustainability #climateaction #winebusiness #wineindustry #napa #napavalley #grantapplications #napawinery
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📣 Announcing our first ever NVV Premiere Event! 📣

Thursday, Feb 22nd from 4pm-6pm at @wheelerfarmswinery. Register at the link in our profile!
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Providing resources, tools and education for our members is core to what we do. Come see us at a February event! 

Register at the link in our profile. We’ll see you there!
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Weed Management Event at @inglenook1879 on Thursday, Feb 15th from 9:00am - 12:00pm. Link in profile to register. 

Por favor, mira hasta el final para ver el mensaje en español.
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Save these dates! 3 great events coming your way in February. 

Find info and registration at the link in our bio or at our website: under Connect with us - Events & Workshops!
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