Poor

Backbone Beach

055, IA

Water Quality

Updated Aug 28

pH Level (Acidity/Alkalinity)9.2

Measures water acidity or alkalinity on a scale of 0-14. Neutral is 7. Most fish thrive in 6.5-8.5 range.

Escherichia coli (E. coli) Bacteria41.0 MPN/100mL

Common fecal coliform bacteria indicating possible sewage contamination. EPA recreational limit: <126 MPN/100mL.

Water Temperature23.5 °C

Water temperature directly affects fish metabolism and activity. Optimal range varies by species.

Turbidity (Water Clarity)15.3 NTU

Measures water cloudiness caused by suspended particles. Lower values indicate clearer water. <25 NTU is good.

Water Temperature23.5 °C

Water temperature directly affects fish metabolism and activity. Optimal range varies by species.

Turbidity (Water Clarity)15.3 NTU

Measures water cloudiness caused by suspended particles. Lower values indicate clearer water. <25 NTU is good.

Escherichia coli (E. coli) Bacteria41.0 MPN/100mL

Common fecal coliform bacteria indicating possible sewage contamination. EPA recreational limit: <126 MPN/100mL.

recency/

coverage/

parameters present/