1. 100 Year all Flood: Lycoming County, Pennsylvania
2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...
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2. 100 Year Flood: Lycoming County, Pennsylvania
2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...
3. 100 Year Flood Plain: Cuyahoga County, Ohio
2019. Cuyahoga County. Cuyahoga County Planning Commission's Greenprint GIS features: Trails, Water Features, Wetlands, Open Space, Activity Nodes, Conservation Areas, Ri...
4. 104 State Water Plan Watersheds: Pennsylvania
1998. Environmental Resources Research Institute. Digitized boundaries of 104 major watersheds defined in the Pennsylvania state water plan. The State Water Plan, originally developed in the 1970s,...
5. 108th Congressional Districts for the Delaware River Basin Area'
2004. 108th Congressional Districts for the Delaware River Basin Area. These were compiled from the 4 basin states and combined into one layer.
6. 24k Hydro Flowlines (Rivers/Streams)
Wisconsin Department of Natural Resources. Flowlines include all line features from the US Geological Survey's 1:24,000-scale topographic map series such as perennial and intermittent stream...
7. 24k Hydro Waterbodies (Open Water)
Wisconsin Department of Natural Resources. Waterbodies are hydrographic features only and do not represent islands or uplands. Features were collected from water areas represented on the US ...
8. 303(d) Impaired Lakes - Listed
WDNR Bureau of Water Quality. Impaired Waters listings reflect those waters that have been evaluated and determined that they are not meeting state water quality standards. This...
9. 303(d) Impaired Rivers and Streams - Listed
WDNR Bureau of Water Quality. Impaired Waters listings reflect those waters that have been evaluated and determined that they are not meeting state water quality standards. This...
10. 500 Year Flood: Lycoming County, Pennsylvania
2008. The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary...
11. 511: Illinois Flooding: Iowa
Iowa Department of Transportation.
12. 511: Illinois (Line) Flooding: Iowa
Iowa Department of Transportation.
13. 6-Digit Accounting Units, Hydrologic Units: Indiana
2002. United States Geological Survey and Bernardin-Lochmueller & Associates. WATERSHEDS_HUC06_USGS_IN is a polygon shapefile showing the boundaries of accounting units (HUA) in Indiana. Accounting units are noted by a 6-digi...
14. 6-Digit Accounting Units, Hydrologic Units: Indiana (Web Map Service)
1991. IndianaMap ArcGIS Online. Watersheds - 6-Digit Hydrologic Units, 1991 (1:24,000) - Shows the boundaries of 6-digit hydrologic accounting units. Actual hydrologic units often...
15. A41-027-M19 Green Infrastructure Concept: Pennsylvania
2020. PWSA. Identifies opportunity sites throughout the A41, O27, and M19 Sewersheds for stormwater infrastructure that could fulfill both stormwater managemen...
16. A42-M29-M16 Green Infrastructure Concept: Pennsylvania
2020. PWSA. Identifies opportunity sites throughout the A42, M29, and M16 Sewersheds for stormwater infrastructure that could fulfill both stormwater managemen...
17. Ability to Produce Clean and Abundant Water - version 2: Pennsylvania
2016. Open Space Institute. In the original APCAW (v2) the Open Space Institute (OSI) sought to develop a metric to measure the relative capacity of small scale (HUC12) waters...
18. Active Stream Area: Cuyahoga County, Ohio
2019. Cuyahoga County. Cuyahoga County Planning Commission's Greenprint GIS features: Trails, Water Features, Wetlands, Open Space, Activity Nodes, Conservation Areas, Ri...
19. Additional Representative ReachTable: State of Michigan
2021. Michigan Department of Natural Resources. This feature class is an inventory of stream crossings, culverts, and bridges in the Great Lakes Region. Data gathered and contained in this featur...
20. All Permits: Waukesha County Land Information Office
Waukesha County. This map shows lakes, rivers, and streams for Waukesha County as acquired from year 2000 aerial photography. Also available for display are WI DNR ...