Friday, June 5, 2026: Pennichuck has identified a leak on Pillsbury Rd. in Londonderry. Water has been shut off in the area of Pillsbury Rd., King Phillip Dr., and Wallace Cir. for emergency leak repair. The estimated time of water restoration is 10:15 a.m. If you have any questions, please call customer service at 800-553-5191. Thank you for your patience as we work to protect the quality of your water.

Friday, June 5, 2026: Pennichuck has identified a leak on Richardson Rd. in Derry. Water has been shut off in the area of Richardson Dr. and Damren Rd. for emergency leak repair. The estimated time of water restoration is 1:00 p.m. If you have any questions, please call customer service at 800-553-5191. Thank you for your patience as we work to protect the quality of your water.

Engineering

Important Information on Fire Flow Tests:

Effective July 1st, 2025, Pennichuck’ s fire flow tests will no longer be the flat fee of $300.00. If you choose to have Pennichuck perform your fire flow test it will be calculated on a time and equipment basis. If you choose to have a sprinkler company perform your test and they are doing fire flow tests on public hydrants, Pennichuck will need to be there to observe. The fee for observation will be calculated on a time basis. If you have any questions, please feel free to reach out to our Engineering Administrator at 603-913-2321.

New Service Application Instructions

Technical Specifications for Water Main, Hydrant, and Service Installations (PDF)

Standard Details- 2026 (PDF)

Engineering Application Portal (Services, Main Extensions and Flow Tests)

GIS Contact Form Please click “GIS Contact Form” link to submit a request to our GIS Department for GIS Map requests and showing of where assets are located.

*For assistance in reading or understanding the information linked on this page, please call us at (800) 553-5191ext 2321.*


Engineering Contact Form

Please fill out the form below to submit a request for contact to our Engineering Department. Please use the file upload option to upload any necessary paperwork needed with your request, if known. Please use GIS form above if submitting a GIS map request. Please allow 24-48 business hours for a response.

Engineering Contact Form

Please fill out the form below to submit a request for contact to our Engineering Department. Please use the file upload option to upload any necessary paperwork needed with your request, if known. Please allow 24-48 business hours for a response.

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Please let us know what's on your mind. Have a question for us? Ask away.
Max. file size: 64 MB.
Max. file size: 64 MB.