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Layer: Flood Warning Gauges (0)

Name: Flood Warning Gauges

Display Field: SITE_NAME

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Layer: Marlboro Clay (1)

Name: Marlboro Clay

Display Field: STATUS

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: Location of Marlboro clay throughout Prince George's County, Maryland

Service Item Id: 1e7724fc57bc43f0ad70025aebda17ad

Copyright Text:

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MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

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Layer: 12 Digit Watershed TMDL (2)

Name: 12 Digit Watershed TMDL

Display Field: MDE8NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: The watersheds define Strahler (Strahler 1952 p. 1120) third order stream drainage by contours on U.S. Geological Survey (USGS) 7.5 minute quadrangle map sheets. Some watersheds drainage areas were defined for streams less than third order and some large area watershed were split to maintain a maximum size of 15,000 acres. The watershed boundaries in this file were developed in a joint state and federal effort to create a consistent watershed file for use by all government agencies with an interest in Maryland's watersheds. The U.S. Natural Resources Conservation Service (NRCS) redefined the third order watersheds creating the HUA14 file. This file contains all of the HUA14 watersheds and some added watersheds to maintain water quality sampling sites. It was also used to create the Maryland Sub-Watershed file.

Copyright Text: This data was obtained from the Maryland State Data Repository (MDiMap) and should not be shared to the public. The public should download the complete GIS feature class from the MDiMap website: https://imap.maryland.gov.

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MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

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Layer: Watershed 8 Digit (3)

Name: Watershed 8 Digit

Display Field: MDE6NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This file a countywide digital watershed file. It depicts the County with separate watersheds each with an 8-digit numeric code. The file was created primarily for County and Federal agency use. This file was derived from a more detailed watershed file (Maryland's Third-Order Watershed). The process used to create this file is consistent with the elevation contour information found on the US Geological Survey's 7.5 minute topographic quadrangle maps and the Maryland Department of the Environment's watershed location and naming conventions. This file is similar, but not identical, to the US Natural Resources Conservation Service's (NRCS) Hydrologic Unit Code (HUC11) watershed file. The watersheds define Strahler (Strahler 1952 p.1120) third order stream drainage by contours on U.S. Geological Survey (USGS) 7.5 minute quadrangle map sheets. Some watershed drainage areas were defined for streams less than third order and some large area Watersheds were split to maintain a maximum size of 15,000 acres.

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MaxRecordCount: 2000

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Layer: Watershed 12 Digit (4)

Name: Watershed 12 Digit

Display Field: MDE6NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description:

Service Item Id: 1e7724fc57bc43f0ad70025aebda17ad

Copyright Text:

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Layer: Watersheds (5)

Name: Watersheds

Display Field: MDE8NAME

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: This watershed data was acquired from Prince George's County Department of Environmental Resources (DER). The boundaries were originally developed by a contractor working DER as part of the GIS based Watershed Planning System (WPS) prior to 2001. The WPS project was developed to quickly assess watershed characteristics and the potential impact of certain pollutants.

Service Item Id: 1e7724fc57bc43f0ad70025aebda17ad

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