Water

Water Operator

NOTICE OF RATE INCREASE: As of December 1, 2020, the City of Mo. City will increase its regulatory groundwater reduction plan fee from $2.19 to $2.38 per 1,000 gallons of water used. Your January 2021 bill will reflect the new rate.

Si Environmental, LLC

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) 946-2101 for FORT BEND COUNTY MUD 115
  • 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

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”

Pay at Walmart Stores

  • Available at all Walmart stores internationally
  • Convenience fee varies – see store for details *

Western Union Quickpay Locations

  • Available at various HEB, Kroger and Fiesta stores
  • Convenience fee varies – see store for details* – Will post within 2-3 business days

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.