Maple River at Mapleton, IA
Monona County, Iowa · USGS 06607200
Latest observation
What this gauge represents: This gauge measures conditions on Maple River at its USGS monitoring location in Monona County; conditions elsewhere on the waterway may differ.
Observed · 56 minutes ago
Observed
How to read these numbers
How much water moves past the gauge each second. Higher numbers mean more water is moving downstream.
The water-surface height at this gauge. It is useful for tracking rises, falls and flood thresholds, but it is not the river's total depth.
How much the latest reading has risen or fallen compared with roughly 24 hours earlier.
The typical streamflow for this date based on USGS historical statistics. A multiple such as 3× means current flow is about three times the historical median.
Get Water Data's plain-language summary of current flow, historical context and recent direction.
Official action and flood thresholds where available. These levels are specific to each gauge location.
Gauge height and flood stage are station-specific. A 12-foot reading at one gauge should not be directly compared with 12 feet at another.
Above historical median · Rising
Streamflow is currently 181 ft³/s, 73% above the historical median for this date. Flow has risen 7 CFS over the past 24 hours.
USGS-reported historical daily median for 09-27: 105 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →Streamflow trend
Daily mean streamflow · Aug 28–Sep 25 · dates shown in UTC · 29 observations
Look at the data (29 rows)
| Date (UTC) | Daily mean |
|---|---|
| Aug 28, 2026, 12:00 AM | 83.5 CFS |
| Aug 29, 2026, 12:00 AM | 84 CFS |
| Aug 30, 2026, 12:00 AM | 85.6 CFS |
| Aug 31, 2026, 12:00 AM | 83.1 CFS |
| Sep 1, 2026, 12:00 AM | 80.3 CFS |
| Sep 2, 2026, 12:00 AM | 78.6 CFS |
| Sep 3, 2026, 12:00 AM | 79.4 CFS |
| Sep 4, 2026, 12:00 AM | 80.1 CFS |
| Sep 5, 2026, 12:00 AM | 79.2 CFS |
| Sep 6, 2026, 12:00 AM | 83.5 CFS |
| Sep 7, 2026, 12:00 AM | 165 CFS |
| Sep 8, 2026, 12:00 AM | 249 CFS |
| Sep 9, 2026, 12:00 AM | 283 CFS |
| Sep 10, 2026, 12:00 AM | 249 CFS |
| Sep 11, 2026, 12:00 AM | 207 CFS |
| Sep 12, 2026, 12:00 AM | 175 CFS |
| Sep 13, 2026, 12:00 AM | 153 CFS |
| Sep 14, 2026, 12:00 AM | 157 CFS |
| Sep 15, 2026, 12:00 AM | 193 CFS |
| Sep 16, 2026, 12:00 AM | 214 CFS |
| Sep 17, 2026, 12:00 AM | 212 CFS |
| Sep 18, 2026, 12:00 AM | 192 CFS |
| Sep 19, 2026, 12:00 AM | 184 CFS |
| Sep 20, 2026, 12:00 AM | 178 CFS |
| Sep 21, 2026, 12:00 AM | 176 CFS |
| Sep 22, 2026, 12:00 AM | 175 CFS |
| Sep 23, 2026, 12:00 AM | 168 CFS |
| Sep 24, 2026, 12:00 AM | 165 CFS |
| Sep 25, 2026, 12:00 AM | 172 CFS |
About this gauge
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
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