6420 Reading Rd, Rosenberg, Texas 77471
Phone: (832) 490-1600
Email: customercare@sienv.com

If you have any questions regarding your service or billing, please feel free to call: (832) 490-1600 (Local Dialing) or 877-382-7414 (Toll Free).

If you have an emergency to report, such as:

• Water Leak
• Loss of Pressure
• Service Interruption
• Water Main Break in your Area
• Sanitary Sewer Stoppage
• Public Health Hazard

Please call Si Environmental immediately at: (832) 490-1601(Local) or 877-382-7416 (Toll Free).

Payment Options

Pay by Phone

• Call (888) 817-9121 for BRAZORIA COUNTY MUD 32
• The First Billing Services office is open Monday – Friday from 8:00AM– 4:30PM CT.
• You can also contact the 24-hour automated phone bill payment system. The phone number for your district is located on your bill.
• You will need your Customer Account Number and payment information
• Visa/MasterCard/Discover/AMEX (3% Convenience Fee *) – Will post next business day.
• Electronic Check ($1.00 transaction fee *) – Will post within 2-3 business days.

Online Bill Pay System

• Visit our online bill pay system by clicking here.
• Visa/MasterCard/Discover/AMEX (3% Convenience Fee *) – Will post next business day
• Electronic Check ($1.00 transaction fee *) – Will post within 2-3 business days.

Pay by Text via Your Mobile Phone

• Visa/MasterCard/Discover/American Express (3% Convenience Fee *) – Will post next business day
• Electronic Check ($1.00 transaction fee *) – Will post next business day.

Sign up for Paperless Billing via the link above and have the option of paying your bill directly from your email by clicking PAY NOW using Visa/MasterCard/Discover/AMEX (3% Convenience Fee*) – Will post next business day.

Pay via Monthly Auto-draft

• Drafted on due date
• Credit Card (3% Convenience Fee *)
• Bank Draft ($1.00 Per Transaction *)
• Activation completion indicated by first invoice that states “DO NOT PAY.”

Bill Pay Through Your Banking Institution **

• Please be sure to include your account number when setting up bill-pay through your banking institution (up to 10 days for processing from the date that the bank issues the payment)
• Online Bill-pay through your banking institution generally involves your bank utilizing a third party to create a check that is sent to the address that you specify.  Si Environmental, LLC. has no control over the check creation and mailing process for this service.  All payments are processed within 24 hours of receipt by Si Environmental, LLC.

Lockbox

• Checks sent via the USPS.
• This includes online bill-pay through your banking institution.
• Remittance address: PO Box 4824, Houston, TX 77210-4824.

Drop Box

• Drop box location: 6420 Reading Road, Rosenberg, TX 77471.
• NO CASH ACCEPTED

* These charges are third party transaction charges that are not associated or collected by Si Environmental, LLC. or your water utility district.

** Online Bill-pay through your banking institution generally involves your bank utilizing a third party to create a check that is sent to the address that you specify. Si Environmental, LLC. has no control over the check creation and mailing process for this service. All payments are processed within 24 hours of receipt by Si Environmental, LLC.

Friday, April 11, 2025 at 11:00 AM

The Board generally meets on the second Friday of the month at Allen Boone Humphries Robinson LLP, 3200 Southwest Freeway, Houston, Texas 77027.

Meeting agendas are available one week prior to scheduled meeting.

For persons with questions or needing help regarding website accessibility, or to request the provided information in alternative formats, please call (713) 860-6400.