Parent Layer: Inland Resources at Risk

Name: Public Water Supply Modeled Buffers

Display Field: TYPE

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: WELLMODS contains bedrock source water protection areas and sand/gravel aquifer areas with 200-2500 day travel time in with a probability of contributing water to community public water supplies in Maine. The dataset is suitable for mapping at 1:24,000 or larger scale. The Maine Drinking Water Program (MEDWP), in cooperation with the Maine Geological Survey (MGS) has conducted probabilistic digital modeling of the contributing areas to selected community public water supplies. The models were run using the U.S. Geological Survey finite-difference ground-water flow model MODFLOW and the particle tracking package MODPATH. Available geologic and pump test data formed the primary inputs to the models. Additional information on MODFLOW and MODPATH and water resource modeling techniques is available at http://water.usgs.gov/nrp/gwsoftware/modflow.html and http://water.usgs.gov/pubs/twri/twri6a1/ .

Service Item Id: bbe99ccf2dbd4ef998c7fabb003eb7b5

Copyright Text: Dataset developed by Maine Drinking Water Program, with logistical and financial support from USEPA.

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MaxRecordCount: 2000

Supported Query Formats: JSON, geoJSON, PBF

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Extent:

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YMin: 5346895.237096682
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YMax: 5994363.85390404
Spatial Reference: 102100  (3857)

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Advanced Query Capabilities:

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Supports Query With Distance: true
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Type ID Field: null

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Supported Operations:   Query   Query Attachments   Query Analytic   Generate Renderer   Return Updates

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