USGS Surface Water for USA: Peak Streamflow

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Peak Streamflow for the Nation

USGS 04181120 ST. MARYS RIVER AT PLEASANT MILLS, IN

Adams County, Indiana

Hydrologic Unit Code 04100004

Latitude 40°46'46.0", Longitude 84°50'32.5" NAD83

Drainage area 553.62 square miles

Gage datum 766.94 feet above NAVD88

Water Year	Date	Gage Height (feet)	Stream- flow (cfs)
2019	2019-05-20	20.77	6,640
2020	2020-01-12	18.57	4,200
2021	2021-05-10	18.69	4,280
2022	2021-10-26	17.86	3,830
2023	2023-03-04	18.32	4,060
2024	2024-04-05	19.60	5,080

U.S. Department of the Interior | U.S. Geological Survey
Title: Surface Water for USA: Peak Streamflow
URL: https://nwis.waterdata.usgs.gov/nwis/peak?

Page Contact Information: USGS Water Data Support Team
Page Last Modified: 2025-04-30 00:21:58 EDT
0.18 0.18 nadww02