Nishnabotna Water Defenders

Join our Mission

250

MILES PROTECTED

252+

FRIENDS OF THE NISHNABOTNA WATERSHED

23+

COMMUNITY PRESENTATIONS

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NITRATE

SURVEYORS

Working together as citizens to protect, defend, and restore the Nishnabotna watershed and our state’s waters.

The Nishnabotna Water Defenders are dedicated to defending the health and sustainability of our watershed through education, advocacy, and community action.

Who We Are

The Nishnabotna Water Defenders are a group in Southwest Iowa concerned about keeping our water clean.

About Us

Get Involved

Join our community of dedicated volunteers and advocates working to make a difference in our watershed.

Join Us

Support Our Work

Your donations help fund critical conservation projects and educational programs throughout our watershed.

Donate

Water Defenders in the News

Latest News

Local

Iowa groundwater monitoring expands to all 3rd District counties with federal funds

August 7, 2026

ALLEMAN – Hydrologic monitoring stations that help researchers compile flood and drought information useful for farmers and communities will soon be deployed across all of southwestern Iowa, following funding announced Friday by U.S. Rep. Zach Nunn.

National

Exposure to Weed Killer During Pregnancy May Increase Risk of Preterm Birth

July 22, 2026

Exposure to a widely used herbicide during the middle months of pregnancy may increase the chance of giving birth too early, before 37 weeks, a new study shows.