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ORD/PrivateDomesticWells2010 (MapServer)

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Service Description: This map provides improved estimates of the dependence and spatial distribution of housing units reliant on private domestic by census block group and block. Nationally, based on an understanding of well use from state well logs and the housing unit density, an estimated 23 million housing units are being served by this water resource, 17 per cent of the population. In 1990, 15.1 million households were reliant on wells. In the ensuing 30 years there has been over a 50 percent increase in the number of households relying on these wells. This dataset will assist in a better understanding of the reliance on private domestic wells in the US, better positioning local, state, and federal groups in protecting this water resource from contaminant sources.

Map Name: UST_Blocks


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Dynamic Legend

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Layers: Description:

Copyright Text: Map Service and data: US EPA Office of Research and Development (ORD)

Spatial Reference: 4326  (4326)

Single Fused Map Cache: false

Initial Extent: Full Extent: Units: esriDecimalDegrees


Document Info: Supports Dynamic Layers: true

MaxRecordCount: 20000

MaxImageHeight: 4096

MaxImageWidth: 4096

Supported Query Formats: JSON, geoJSON, PBF

Supports Query Data Elements: true

Min Scale: 0

Max Scale: 0

Supports Datum Transformation: true

Child Resources:   Info   Dynamic Layer

Supported Operations:   Export Map   Identify   QueryDomains   QueryLegends   Find   Return Updates