Municipal Department
City of Thornton Water
Serving Thornton and surrounding Thornton Water service area
Population served
226,465 people (EPA SDWIS active CWS PWS CO0101150)
State system code
FIPS 08
Billing frequency
Monthly; the official Thornton WaterSmart guidance states that the billing meter register is taken once per monthly billing cycle. Thornton bills are now paperless unless customers opt in to continue paper delivery.
Provider briefing
How this utility’s billing works
City of Thornton Water operates as a municipal department serving Thornton and surrounding Thornton Water service area. Customers should use the provider’s current account-specific bill and official customer-service instructions as the final authority for deadlines, balances, and service requests.
The published water-rate framework is described as Tiered seasonal water pricing based on customer location and single-family lot size, with 2026 rates effective January 1. Thornton’s published typical inside-city single-family bill is $44.03 in winter and $106.73 in summer after the 2026 increase; actual rates vary with season, lot size, and inside/outside-city status.. Bills are generated monthly; the official thornton watersmart guidance states that the billing meter register is taken once per monthly billing cycle. thornton bills are now paperless unless customers opt in to continue paper delivery., and a typical residential cost reference is Thornton’s official 2026 rate fact sheet estimates a typical inside-city single-family bill of $44.03 during winter and $106.73 during summer. This is a typical bill metric, not a guaranteed 5,000-7,000-gallon total.. These descriptions are useful planning benchmarks; actual charges can change with meter size, usage, sewer averaging, local taxes, drought stages, or account-specific fees.
Wastewater and sewer calculation
Thornton Water is the water utility; the reviewed Thornton Water sources did not publish a universal citywide sewer/wastewater calculation or winter-average formula for every customer.
Meter and infrastructure notes
Thornton rolled out Advanced Metering Infrastructure in 2025. Nearly all customers had daily WaterSmart data access by December 2025; AMI transmits encrypted consumption and meter-status data, while the official billing register is read once per monthly billing cycle.
Emergency water support
Report a leak or water emergency
720-977-6500 for after-hours emergencies and water-line breaks; wastewater/sewer emergencies also route to this number.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Thornton and surrounding Thornton Water service area
City of Thornton Water is listed here as a municipal department. The profile separates account actions—such as paying a bill or requesting service—from explanatory material about rates, meters, wastewater, leaks, and delinquency.
Because utility rules can vary by account class, meter size, service address, billing date, and local ordinance, treat the published bill and current provider website as the final authority. Use this profile to locate the correct channel and prepare better questions for customer service.
If your issue is urgent, start with the provider’s emergency number or official payment route rather than waiting for an email response. Keep a written record of calls, confirmation numbers, notice dates, and documents you submit.