Polk County will invest $200,000 to help keep the network operational. It offers key information for a state struggling with water pollution from agricultural runoff.By Anika Jane BeamerDES MOINES, Iowa—For over a decade, a network of water quality sensors managed by the University of Iowa has provided publicly available data about waterways across the state.
Observations from the Little Bunker
Last updated: November 30, 2025 04:25 AM
Atmospheric CO₂
426.8 ppm
+18.1
ppm/year
Atmospheric CH₄
1927.61 ppb
+2.73
ppb/year
Global Temperature
+1.48 °C
Peak: +1.73°C
World Population
8.1 billion
+67
million/year