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The Department’s Groundwater Protection Regulations are intended to prevent contamination of public drinking water supply wells through regulating the applicaton of pesticide products on the Groundwater
Protection List within primary recharge areas. A primary recharge area is either an “Interim Wellhead Protection Area” or a “Zone II. ” The following step-by-step approach should enable applicators to determine
if they need to comply with the regulations.
Step One: Are you using a product which contains an active ingredient on the Groundwater
Protection List ?
The groundwater protection regulations apply only to pesticides which are
on the Groundwater Protection List.
The list is maintained on the Department of Agricultural Resources website. If the active ingredient is listed, the applicator must then establish if the pesticide application is to be made in a regulated primary recharge area. |
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How to Establish The Location of a Regulated Primary Recharge Area- Zone
II or IWPA
A. Check to see if the town where the application is to be made is featured
on the Zone II List. This list provides information about towns where there are Zone IIs areas
for wells that have a pumping rate greater than 100,000 gallons per day. If the town is not listed on the Wellhead Protection List, you can proceed
with the application.
If there is a Zone II delineated within the town, you need to determine if the application site falls within the Zone II by clicking on the town. This will take you to a map of the town with the recharge areas delineated. You can zoom in on the areas for more details. Follow this link to the Zone II List..
B. If the details provided in the Zone II list maps are not sufficiently
clear in order for you to determine the location of your application, you
should use the state's MASS GIS Online
Data Viewer system. This section option allows users to overlay aerial photographs with various
other data layers including Zone II areas and IWPAs. You should be comfortable with computer use if you follow this route. Follow this link to the data viewer...
C. Traditional
Options
If you do not have Internet access:
1.Check with the local water department for a Source Water Assessment Plan
(SWAP) map which will show all Zone IIs.
2. Check with the local Board of Health for the Title 5 maps which were
updated in 2003
3. Check with the regional DEP office:
| DEP Western Regional Office, 413-784-110 |
| DEP Central Regional Office 508-792-7650 |
| DEP Southeast Regional Office 508-946-2700 |
If your area of application is located with the primary recharge area,
you must determine if you are applying to an area with less than 50% foliar
ground cover or greater than 50% foliar ground cover. Proceed to Step 3.
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Step Three: Are you applying pesticides in an area which has greater or
less than a 50% foliar cover ?
To apply a pesticide which is listed on the groundwater protection list
within a Zone II or IWPA the applicator must distinguish between the following
application scenarios and decide which scenario best applies : |
| A. For a pesticide product which is applied to an area which has greater than
50% foliar ground cover the applicator must ensure that:
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B. For a pesticide product which is soil applied or applied to an area
with less than 50% foliar ground cover the applicator must ensure that:
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