Monday, September 21, 2026: Water has been shut off in the area of Intervale St. in Nashua as Pennichuck technicians perform emergency repairs. Technicians are working to restore water service as quickly as possible. 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.

On Monday, September 21, 2026 through Friday, October 2, 2026, Pennichuck will be performing a series of fire flow tests throughout the Litchfield, Londonderry, and Nashua Core Systems. These fire flow tests are being performed due to system improvements. Technicians will be flushing hydrants to dispel naturally occurring sediment and air from the main. Residents who experience discolored water should run their cold water for approximately 10 minutes. If the issue persists, please call Customer Service at 800-553-5191. Residents who have any questions regarding the fire flow test schedule, please call 603-202-0448. Thank you for your patience as we work to protect the quality of your water.

Payment Options

Online Bank Bill Pay Direct Pay **Credit Card Mail a Payment Pay in Person By Phone
How do I make this type of payment? Click Here to Pay Now See Bank for Details Click Here to Enroll (pdf) Please call 1-877-553-4905 25 Walnut  Street
PO Box 428
Nashua, NH 03061-0428
Please visit 25 Walnut  Street, Nashua, NH Call Customer Service at 1-800-553-5191
What is the method of payment? Credit or Debit** – Please note accepted forms of payment are Visa, Mastercard, and Discover. You may also do an E-Check (checking account number and routing number) free of charge. Your Bank Checking or Savings Account Credit or Debit – Please note that accepted forms of credit/debit are Visa, MasterCard, and  Discover Check or Money Order Cash, Check, Money Order Checking or Savings Account
What is the estimated time this will post to my water account? *Next Business Day See Bank Rules On Scheduled Due Date Next Business Day Varies – can take up to 7 – 10 days or more Before 2:00pm: Same day
After 2:00pm: Next business day
Next Business Day
*Payments made before 8pm are processed the next business day. Payments made after may take an extra day to process.
**The $3.50 convenience charge is collected by a third-party vendor. Pennichuck receives no portion of this fee. The transaction limit for credit/debit card payments (including convenience charges) is $200 per account per payment.
You may enroll in E-Billing and receive your bill via email.
Please note: If you do not pay your bill by the due date, you will receive a Disconnect Notice. Please call us if you are unable to pay your bill by the due date. If we do not hear from you by the date of disconnection, your water service will be disconnected. To reconnect service, you must pay your bill and a service charge.