
Are you thinking of installing a water well in Merrimac, MA. This article is geared towards understanding Merrimac MA Board of Health Regulations. Understanding your town regulations can be instrumental in compiling total project costs when it comes to drilling a water well in Merrimac, MA.
1. Permit Info: Well construction permit fee: $150.00
2. Well Location: An engineered plot plan is required when application is submitted. Guidelines include
COMPONENT DISTANCE (in feet)
Septic System
Leaching Facility................................................................... 100
Septic Tank .............................................................................50
Cesspool................................................................................100
Sewer Line ..............................................................................20
Driveway..................................................................................15
Street ......................................................................................25
Buildings ................................................................................. 10
Property Line............................................................................10
Easements or Rights-of-Way.....................................................10
Pond or Watercourse
Drilled Well ................................................................................25
3. Water Quality testing: Extensive water analysis is required. This test includes
Total Coliform Bacteria Sodium Hardness Arsenic (Total)
E-Coli Bacteria Alkalinity Nitrate Lead
Calcium Ammonia Nitrite Potassium
Copper Chloride pH Flouride
Iron Chlorine Sulfate Radon
Magnesium Color Turbidity Flouride
Manganese Conductivity Odor/Sediment P-dichlorobenzene
Radontetrachlorethylene Carbon Tetrachloride Trichloroethane Cis-1
Dichloroethylene Toluene Dichloroethylene Ethylbenzene Monochlorobenzene
4. Water Quantity testing: A four hour flow test will be sufficient. Flow tests should be conducted in the following manner. A well test done with the rig on site requires a water flow of five (5) gallons per minute or more. Less than five gallons per minute would require a consecutive two-day, four-hour flow test at five (5) gallons per minute.
5. Real Estate Transfer Requirements: Merrimac MA requires extensive quality and quantity testing when a real estate transaction occurs.
Wells on average in the Town of Merrimac MA range from 300-400 in depth however it’s not uncommon for wells to run shallower or deeper hence why it’s called the average. The casing depth averages at 40 feet however deeper pockets of rock are possible.
If you have further questions contact the Merrimac Board Of Health at 978-346-4066


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