NPS
MANDATORY for Data Store: NPS Alpha Unit Code (ACAD)
MANDATORY for Data Store: NPS Unit Type (National Park, National Monument, etc)
20131004
15222200
FALSE
20250523
17260300
20250523
17260300
Wellhead_ProtectionZone2
37833.300600
328356.656500
779099.937600
960448.750000
1
002
0.000
Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001
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MassDEP
GIS Director
617-292-5500
100 Cambridge Street - Suite 900
Boston
MA
02114
US
20250514
ArcGIS Metadata
1.0
File Geodatabase Feature Class
MassGIS
1 Ashburton Place - Room 819
Boston
MA
02108
massgismail@mass.gov
Download from https://www.mass.gov/info-details/massgis-data-massdep-wellhead-protection-areas-zone-ii-zone-i-iwpa
0.000
Zone II Approved Wellhead Protection Areas (Dissolved)
2025-05-14
MassDEP, GIS Director
vector digital data
<DIV STYLE="text-align:Left;"><DIV><P><SPAN>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)."</SPAN></P></DIV></DIV>
MassDEP Approved Wellhead Protection Areas (Zone II)
MassDEP
MassDEP
GIS Director
617-292-5500
100 Cambridge Street - Suite 900
Boston
MA
02114
US
MassDEP Approved Wellhead Protection Area Zone II
MassDEP Approved Wellhead Protection Area Zone II
See access and use constraints information.
Esri ArcGIS 13.2.0.49743
true
-73.484954
-69.928782
42.894664
41.245434
1
-73.484954
-69.928782
42.894664
41.245434
0
DEP.ZONE2_POLY
Feature Class
0
OBJECTID
OBJECTID
OID
4
0
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
ZII_NUM
ZII_NUM
Integer
4
0
0
AREA_ACRES
AREA_ACRES
Double
8
0
0
PWS_ID
PWS_ID
String
7
0
0
SUPPLIER
SUPPLIER
String
75
0
0
TOWN
TOWN
String
75
0
0
SHAPE
Feature geometry.
Esri
Coordinates defining the features.
Shape
Geometry
0
0
0
Shape_Length
Shape_Length
Double
8
0
0
Length of feature in internal units.
Esri
Positive real numbers that are automatically generated.
SHAPE_AREA
Shape_Area
Double
8
0
0
Area of feature in internal units squared.
Esri
Positive real numbers that are automatically generated.
dataset
EPSG
2.1(3.0.1)
Simple
FALSE
0
TRUE
FALSE