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New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here.

This legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  WI_MMSD >  WI_MMSD-OH-08

Lake Michigan at mid-South Breakwater (WI_MMSD-OH-08) site data in the Water Quality Portal

Data Provider: STORET (Learn more about Water Quality Portal Data Providers)

This great lake site, maintained by the Milwaukee Metropolitan Sewerage District (identifier WI_MMSD), has the name "Lake Michigan at mid-South Breakwater" and has the identifier WI_MMSD-OH-08. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)04060200.

This site is located in Milwaukee County County, Wisconsin at 43.0170000000 degrees latitude and -87.8800000000 degrees longitude using the datum WGS84. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "WI_MMSD-OH-08" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Information 2010 - 2023
Inorganics, Major, Metals 2010 - 2019
Inorganics, Major, Non-metals 2010 - 2023
Inorganics, Minor, Metals 2010 - 2019
Inorganics, Minor, Non-metals 2010 - 2019
Microbiological 2010 - 2023
Nutrient 2010 - 2023
Organics, Other 2010 - 2021
Physical 2010 - 2023
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier WI_MMSD
OrganizationFormalName Milwaukee Metropolitan Sewerage District
MonitoringLocationIdentifier WI_MMSD-OH-08
MonitoringLocationName Lake Michigan at mid-South Breakwater
MonitoringLocationTypeName Great Lake
HUCEightDigitCode 04060200
LatitudeMeasure 43.0170000000
LongitudeMeasure -87.8800000000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 55
CountyCode 079
ProviderName STORET