Industry Capabilities

Industries We Work In

What are our office hours?

Our office is open 8:30AM- 4:00PM Monday through Thursday.

How often does the MHMUA invoice?

Bills are sent out quarterly.

What are the payment options?

The MHMUA accepts cash, checks,money order and certified funds at the office. We offer the A.C.H. program, the free, quick and easy way to pay your bill. You can also pay online with your checking account, debit card, or credit card. Look for the icon on our home page "PAY ONLINE". You can now sign up for EBills, which provides you with a paperless invoice sent to the email of your choice.

Does the MHMUA offer a Senior Citizen discount?

Yes, if you qualify for the Senior Citizen property tax deduction through your tax assessor's office, you can recieve a $13.00 per quater discount on your Mt.Holly Municipal Utilitiy bills.

How can I change the name on my account?

THe MHMUA requires written documentation; such as a deed, death, divorce and or marriage certificate.

How do I change my mailing address?

The MHMUA requires a written request to change the "bill to" address on an account. Send an email with your information ( Name, account number or address and phone number) to

What do I do in the event of a sewer blockage?

Please call (609) 267-1110 and someone will assist you.

Case Studies

EN Labs offers on a wide range of analytical and calibration services to individual, municipal, commercial and utility customers. Read through a few of our case studies to learn more about what we can provide.​

EN Labs Calibration Services Support Columbia Generating Station

Lead & Copper Testing for Child Care Facilities

The Nine Canyon Wind Project

Providing Calibration Services for Hanford Nuclear Site


Environmental & Analytical Services 

Accreditations & Certificates


Calibration Services



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