Inframark serves as a water/ wastewater utility operator for
Harris County MUD 391.
If you are looking to signup for new service click here.
Inframark
Attn: Randy Davila
2002 W Grand Pkwy N #100
Katy, TX 77449
Phone: (281) 579-4500
Email: MUDCustomerService@inframark.com
Customer Support
For billing, service requests and other inquiries us the following:
General Customer Service Number: (281) 579-4500
Customer/Billing Inquiries Email: MUDCustomerService@inframark.com
For general phone inquiries, please contact Inframark Customer Service department Monday through Friday from 8:00 a.m. to 5:00 p. m., with the exception of holidays.
Our payment window hours are Monday through Friday from 8:00 a.m. to 5:00 p.m.
For after-hour emergencies, please contact Inframark Dispatch team at (281) 398-8211.
Service Rates:
Water Rate (Single Family Residential)
| $ 8.00 | Minimum Rate for Service |
| $ 1.25 | Rate per 1,000 gallons metered for usage between 6,001 gallons and 10,000 gallons |
| $ 1.50 | Rate per 1,000 gallons metered for usage between 10,001 gallons and 15,000 gallons |
| $ 1.75 | Rate per 1,000 gallons metered for usage between 15,001 gallons and 20,000 gallons |
| $ 2.00 | Rate per 1,000 gallons metered for usage above 20,000 gallons |
Sewer Rate and Waste Collection (Single Family Residential)
| $ 26.33 | Minimum Rate for Service |