Milwaukee River at Mouth at Milwaukee, WI - 04087170
Velocity and discharge measurements at this site will be discontinued in June 2025. Gage height measurements will continue. Please direct any questions/concerns to Michelle Nott (mnott@usgs.gov).
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Milwaukee River at Mouth at Milwaukee, WI - 04087170
Subscribe to WaterAlert February 25, 2025 - March 4, 2025
Important Data may be provisional
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Discrete sample data
1154 Observed properties (data types) available - with data from 1970-10-07 to 2025-02-04
1149 Sampling activities
- Monitoring Location
- Active Monitoring Locations
5 km
3 mi
Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.
Interested in understanding how to access the upstream/downstream data? Learn about the Network-Linked Data Index (NLDI)
| USGS Parameter Group | Data Types | Start Date | End Date |
|---|---|---|---|
| Biological | Water-quality | 1994-03-29 | 2012-10-10 |
| Information | Water-quality | 1992-10-06 | 2024-02-06 |
| Inorganics, Major, Metals | Water-quality | 1992-10-06 | 2020-02-04 |
| Inorganics, Major, Non-metals | Daily Values, Unit Values, Water-quality | 1992-10-06 | 2024-10-08 |
| Inorganics, Minor, Non-metals | Water-quality | 1970-10-07 | 2005-08-11 |
| Inorganics, Minor, metals | Water-quality | 1970-10-07 | 2016-10-20 |
| Microbiological | Water-quality | 2004-02-17 | 2013-05-16 |
| Nutrient | Water-quality | 1992-10-06 | 2023-08-08 |
| Organics, Other | Unit Values | 2022-03-25 | 2024-06-18 |
| Organics, PCBs | Water-quality | 1992-10-06 | 1994-04-19 |
| Organics, PFAS | Water-quality | 2022-10-04 | 2023-05-03 |
| Organics, other | Water-quality | 1992-10-06 | 2023-05-03 |
| Organics, pesticide | Water-quality | 1992-10-06 | 2018-05-10 |
| Physical | Daily Values, Unit Values, Water-quality | 1970-10-07 | 2025-03-04 |
| Radiochemistry | Water-quality | 1992-10-06 | 1992-10-06 |
| Sediment | Water-quality | 1992-10-06 | 2023-08-08 |
| n/a | Site Visits | 2006-05-10 | 2024-10-09 |
| n/a | USGS Annual Water Data Reports Site | 2006-01-01 | 2024-01-01 |
Monitoring location 04087170 is associated with a Stream in Milwaukee County, Wisconsin. Current conditions of Discharge, Gage height, Mean water velocity for discharge computation, and more are available. Water data back to 1970 are available online.
| Metadata Element | Location Metadata | Metadata Code |
|---|---|---|
|
Agency
|
U.S. Geological Survey | USGS |
|
Site identification number
|
04087170 | n/a |
|
Site name
|
MILWAUKEE RIVER AT MOUTH AT MILWAUKEE, WI | n/a |
|
Site type
|
Stream
|
ST |
| DMS latitude | 430128 | n/a |
| DMS longitude | 0875354 | n/a |
| Decimal latitude | 43.02444444 | n/a |
| Decimal longitude | -87.8983333 | n/a |
|
Latitude-longitude method
|
Interpolated from MAP. | M |
|
Latitude-longitude accuracy
|
Accurate to + or - 1 sec. | S |
|
Latitude-longitude datum
|
North American Datum of 1983 | NAD83 |
| Decimal Latitude-longitude datum | North American Datum of 1983 | NAD83 |
|
District
|
Wisconsin | 55 |
|
State
|
Wisconsin | 55 |
|
County
|
Milwaukee County | 079 |
| Country | US | n/a |
| Land net location description | SWNES33 T7N R22E 4 | n/a |
| Name of location map | MILWAUKEE | n/a |
| Scale of location map | 24000 | n/a |
| Altitude of Gage/land surface | 571.05 feet | n/a |
| Method altitude determined | Differentially corrected Global Positioning System. | D |
| Altitude accuracy | .15 feet | n/a |
|
Altitude datum
|
North American Vertical Datum of 1988 | NAVD88 |
|
Subbasin hydrologic unit
|
Milwaukee | 04040003 |
|
Drainage basin
|
n/a | |
|
Topographic setting
|
n/a | |
| Flags for instruments at site | NNNYNNNNNNYYNNYNNNNNNNNNNNNNNN | n/a |
|
Date of first construction
|
n/a | |
| Date site established or inventoried | n/a | |
|
Drainage area
|
872 square miles | n/a |
| Contributing drainage area | n/a | |
| Time Zone abbreviation | CST | n/a |
|
Site honors Daylight Saving Time
|
Y | n/a |
|
Data reliability
|
n/a | |
| Data-other GW files | NNNNNNNN | n/a |
| National aquifer | n/a | |
| Local aquifer | n/a | |
|
Local aquifer type
|
n/a | |
| Well depth | n/a | |
|
Hole depth
|
n/a | |
| Source of depth data | n/a | |
| Project number | 24919KP46 | n/a |
