There’s almost always something happening related to water. After all, it’s our most precious resource.  Below are a few key events to keep in mind.

JANUARY

• National Houseplant Appreciation Day (January 10, 2026)
• National Indoor Plant Week (January 12–19, 2026)

FEBRUARY

• World Wetlands Day (February 2, 2026)
• National Engineers Week (February 22–28, 2026)

MARCH

• World Wildlife Day (March 3, 2026)
• World Engineering Day (March 4, 2026)
• National Groundwater Awareness Week (March 8–14, 2026)
• National Plant a Flower Day (March 12, 2026)
• International Day of Action for Rivers (March 14, 2026)
• National Ag Week (March 15–21, 2026)
• Fix a Leak Week (March 16–22, 2026)
• World Water Day (March 22, 2026)
• World Meteorological Day (March 23, 2026)
• National Ag Day (March 24, 2026)

APRIL

• National Garden Month
• Water Week (April 12–18, 2026)
• National Laundry Day (April 15, 2026)
• Earth Day (April 22, 2026)
• Arbor Day (April 24, 2026)
• Hug a Plumber Day (April 25, 2026)
• National Gardening Week (April 28–May 4, 2026)

MAY

• Water Awareness Month
• Drinking Water Week (May 3–9, 2026)
• Public Service Recognition Week (May 3–9, 2026)
• Love a Tree Day (May 16, 2026)
• National Public Works Week (May 17–23, 2026)
• Infrastructure Week (May 18–22, 2026)
• National Water a Flower Day (May 30, 2026)

JUNE 

• National Rivers Month
• National Safety Month
• National CPR and AED Awareness Week (June 1–7, 2026)
• World Environment Day (June 5, 2026)
• World Oceans Day (June 8, 2026)
• National Hydration Day (June 23, 2026)

JULY

• Smart Irrigation Month
• National Pet Hydration Month
• World Conservation Day (July 28, 2026)

AUGUST

• National Water Quality Month
• National Professional Engineers Day (August 5, 2026)
• World Water Week (August 23-27, 2026)

SEPTEMBER

• National Preparedness Month
• Protect Your Groundwater Day (September 3, 2026*)
• World Rivers Day (September 27, 2026)
• Source Water Protection Week (September 27–October 23, 2026)

OCTOBER

• Water Professionals Appreciation Week (October 4–12, 2026)
• Global Handwashing Day (October 15, 2026)
• Imagine a Day Without Water (October 15, 2026)

DECEMBER

• United Nations Water Conference (December 2–4, 2026)
• World Water Loss Day (December 4, 2026)

* Some dates not yet announced or subject to change