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State
Water/Wastewater Information System and Records Database
State of Iowa —
The purpose of Water/Wastewater Information System and Records Database is to track the progress of water supply and wastewater construction projects, including... -
State
MD iMAP: Maryland Water Quality - Tier II Catchments 2012
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This dataset provides the Tier II catchments delineated for the most... -
State
Small MS4 (Municipal Separate Storm Sewer Systems) Area
Vermont Center for Geographic Information —
The dataset contains the boundaries of the MS4 general permit, which are defined as the intersection of US Census urbanized areas and the watershed boundaries of the... -
State
i19 Stormwater Permitees Municipal
State of California —
The feature datasets contain Phase 1 and Phase 2 municipal separate stormwater sewer system (MS4s) permittees in California. These draft layers are based on 2010... -
State
Soils Subsurface Sewage Disposal Systems
State of Connecticut —
Subsurface sewage disposal systems (SSDS) consist of a house sewer, a septic tank followed by a leaching system, any necessary pumps and siphons, and a groundwater... -
State
Connected Sewer Service Areas
State of Connecticut —
This data was created through the modification of an existing sewer service dataset from the CT Office of Policy and Management (OPM), in addition to sewer data from...