Name: Zone II Wellhead Protection Areas

Display Field: PWS_ID

Type: Feature Layer

Geometry Type: esriGeometryPolygon

Description: As stated in 310 CMR 22.02, a Zone II is: "That area of an aquifer which contributes water to a well under the most severe pumping and recharge conditions that can be realistically anticipated (180 days of pumping at safe yield, with no recharge from precipitation). It is bounded by the groundwater divides which result from pumping the well and by the contact of the aquifer with less permeable materials such as till or bedrock. In some cases, streams or lakes may act as recharge boundaries. In all cases, Zone IIs shall extend up gradient to its point of intersection with prevailing hydrogeologic boundaries (a groundwater flow divide, a contact with till or bedorck , or a recharge boundary)."

Copyright Text: MassDEP

Min. Scale: 0

Max. Scale: 0

Default Visibility: true

Max Record Count: 2000

Supported query Formats: JSON, geoJSON, PBF

Use Standardized Queries: True

Extent:

XMin: 37833.3005999997
YMin: 779099.937600002
XMax: 328356.656499997
YMax: 960448.749999999
Spatial Reference: 26986 (26986)

Drawing Info:

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HasZ: false

HasM: false

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: FID

Unique ID Field:

Name : FID

IsSystemMaintained : True

Global ID Field:

Type ID Field:

Fields:

• FID (type: esriFieldTypeOID, alias: FID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• ZII_NUM (type: esriFieldTypeInteger, alias: ZII_NUM, SQL Type: sqlTypeOther, nullable: true, editable: true)
• AREA_ACRES (type: esriFieldTypeDouble, alias: AREA_ACRES, SQL Type: sqlTypeOther, nullable: true, editable: true)
• PWS_ID (type: esriFieldTypeString, alias: PWS_ID, SQL Type: sqlTypeOther, length: 7, nullable: true, editable: true)
• SUPPLIER (type: esriFieldTypeString, alias: SUPPLIER, SQL Type: sqlTypeOther, length: 75, nullable: true, editable: true)
• TOWN (type: esriFieldTypeString, alias: TOWN, SQL Type: sqlTypeOther, length: 75, nullable: true, editable: true)
• Shape__Area (type: esriFieldTypeDouble, alias: Shape__Area, SQL Type: sqlTypeDouble, nullable: true, editable: false)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Templates:

Name: Zone II Wellhead Protection Areas
Description:
Drawing Tool: esriFeatureEditToolPolygon
Prototype:

Attributes:

Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 12/9/2025 6:37:07 PM

Schema Last Edit Date: 12/9/2025 6:37:07 PM

Data Last Edit Date: 12/9/2025 6:37:07 PM

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