๐Ÿ“ St. Mary County Authority

St. Mary County Water Bill Payment Login & Pay Guide

Verified water bill payment portals, utility contact info, and billing guides for all cities in St. Mary Parish.

Cities Covered

12

Verified 2026 Data
Water Utilities

7

Verified 2026 Data
Last Verified

2026

Verified 2026 Data

Water Utilities in St. Mary Parish

Managing water utilities in St. Mary Parish, Louisiana, involves a network of local departments and regional authorities. With over 12 major municipalities and 7 distinct service providers, navigating payment portals can be challenging. Our directory provides verified, direct-to-portal links for every city in the county, ensuring you never land on a third-party payment aggregator.

Find Your City Guide

Select your city to get specific billing instructions and contact details.

Morgan City

Verified

Morgan City Water System

Franklin

Verified

Franklin Water Supply

Patterson

Verified

Patterson Water System

Berwick

Verified

Town Of Berwick

Bayou Vista

Verified

Local Water Dept

Baldwin

Verified

Local Water Dept

Amelia

Verified

St Mary Parish Water Sewerage Comm 1

Charenton

Verified

Water & Sewer Commission 4 Of St Mary

Centerville

Verified

St Mary Water & Sewer Comm #3

Sorrel

Verified

Local Water Dept

Siracusaville

Verified

Local Water Dept

Glencoe

Verified

Local Water Dept

St. Mary County Water Bill FAQs

Water services in St. Mary County are typically managed at the city level. To find your specific provider, locate your city in our directory above or check your most recent utility bill for the department name.

Yes, the vast majority of utilities in the county offer online payment portals. Common payment methods include credit/debit cards, eChecks, and ACH auto-pay.

Internal contact numbers vary by city (e.g., Morgan City). Our detailed city guides provide direct customer service lines and emergency repair contact information for each local authority.

For immediate water emergencies like main breaks or severe leaks, you should call your local city water department's 24/7 emergency line. These numbers are listed on the individual city pages for the county.

Most residents can pay in person at their local City Hall or dedicated Water Department office. Always check the 'Contact' section of your specific city guide for exact addresses and office hours.