The Colony water and sewer rates
Who supplies water to The Colony houses, what it costs, and how the sewer charge works.
City of The Colony
City of The Colony 2025-2026 inside-city water rates, billed monthly: a base rate by meter size covers the first 2,000 gallons, then a commodity rate per thousand gallons
| Use a month | Price per 1,000 gallons |
|---|---|
| Fixed charge | $23.47 a month |
| 0 to 2 thousand gallons | $0.00 |
| 2 to 15 thousand gallons | $5.31 |
| 15 to 25 thousand gallons | $6.63 |
| 25 to 40 thousand gallons | $7.08 |
| 40 to more | $7.71 |
- Source
- Five city-owned groundwater wells (four on the Trinity Sands Aquifer, one on the Paluxy Aquifer) plus treated surface water bought from Dallas Water Utilities.
- Austin Ranch
- A small area of Austin Ranch, south of State Highway 121 and east of the MKT Railroad line, is served with treated water bought from the City of Plano.
- Water loss
- The water loss audit for January to December 2025 estimated the system lost 7% of its input volume.
Sewer
Inside the city, sewer for a 5/8-inch meter is $22.74 a month for the first 2,000 gallons, plus $4.78 per thousand gallons over 2,000 for residential customers. For residential accounts, consumption on your bills from December to March is used to calculate the sewer charge on your bills from April to March.
Other charges on the utility bill
- Drainage utility fee (residential): $4.00 a month
Ways to pay less
- Veterans and active duty: 10% off water and sewer. The City of The Colony reduces the water and sewer dollar amount on the bill by 10% for military veterans and active-duty members who enroll. How: Enroll in the utility office or online.
- Your winter water use sets your sewer charge. For residential accounts, consumption on your bills from December to March is used to calculate your new sewer charge, which shows on your bills from April to March. How: Questions: City of The Colony Customer Services, 972-625-2741.
- Free leak checks. The city's utility fee schedule allows 3 free leak checks in a 6-month period; after that each check is $25. How: Ask City of The Colony Utility Billing.
Pay or manage it
Sources
- City of The Colony 2025-2026 water, sewer and utility fees
- City of The Colony storm water utility fees
- City of The Colony 2025 water quality report
Checked October 21, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.