Online Bill Pay
To register your account online or to pay your bill, click here.
Customer Support
For billing, service requests, and other inquiries use the following:
Operator: Municipal District Services
General Customer Service Number: (281) 290-6500
Customer/Billing Inquiries Email: info@mdswater.com
For general phone inquiries, please contact our Customer Service department Monday through Friday from 8:30 a.m. to 4:30 p. m., with the exception of holidays.
Our payment hours are:
Main Office
406 W. Grand Pkwy S, Ste 260
Katy, TX 77494
Monday through Friday from 8:30 a.m. to 4:30 p.m.
For after-hour emergencies, please contact our dispatch team at 281-290-6500

Service Rates:
Water Rate (Single Family Residential)
$ 18.00 | Minimum Rate for Service |
$ 1.50 | Rate per 1,000 gallons metered for usage between 5,001 gallons and 10,000 gallons |
$ 2.00 | Rate per 1,000 gallons metered for usage between 10,001 gallons and 15,000 gallons |
$ 2.50 | Rate per 1,000 gallons metered for usage between 15,001 gallons and 20,000 gallons |
$ 3.00 | Rate per 1,000 gallons metered for usage above 20,001 gallons |
Sewer Rate (Single Family Residential)
$ 35.00 | Flat Rate for Service |