USWaterLevels

St. Marys River At Decatur, In Water Level

Updated: Jun 04, 2026 River Indiana

Current Elevation

Sensor Offline

Flow Rate (Discharge)

Current flow is 127 cfs (cubic feet per second). Calm flow. Ideal for gentle kayaking and wading.

Map & Location

GPS: 40.84807836°N, -84.93770490°W

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Frequently Asked Questions

Where is St. Marys River At Decatur, In located?
St. Marys River At Decatur, In is a River located in Indiana. The exact GPS coordinates are 40.84807836°N, -84.93770490°W. You can use these coordinates to get driving directions via Google Maps.
What is the current flow rate at St. Marys River At Decatur, In?
The most recent discharge measurement at St. Marys River At Decatur, In is 127 cubic feet per second (cfs). This data is provided by USGS and is updated daily.
Is it safe to swim or boat at St. Marys River At Decatur, In?
Safety conditions at St. Marys River At Decatur, In depend on current water levels, flow rates, temperature, and weather. Always check the latest data on this page before planning any water activities. We recommend checking local advisories and weather forecasts for the most up-to-date safety information.
Is St. Marys River At Decatur, In good for fishing?
St. Marys River At Decatur, In in Indiana is a popular destination for anglers. Check current water temperature and flow conditions on this page to plan your fishing trip. Always verify you have the appropriate state fishing license.

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Location Details

  • State: Indiana
  • Type: River
  • Data Source: USGS
  • Site Code: 04181500