City of Thornton Water
Thornton and surrounding Thornton Water service area
Population reference
226,465 people (EPA SDWIS active CWS PWS CO0101150)
Billing detail
Partial public detail found
Official destination
Open provider website ↗Provider-specific findings
Billing and account research from public material
Provider-specific research notes are displayed separately from fields that contain only an unavailable-information marker. Read qualifiers in each note and verify current account terms with the provider.
- 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.
- Rate structure
- 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.
- Residential cost reference
- 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.
- 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 reading
- 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.
Context, not a score
How documentation coverage compares
This profile
71%
overview fields with research notes
Colorado
68%
records with any overview detail
National index
50%
records with any overview detail
Coverage measures what this directory documented. It does not measure service quality, affordability, or regulatory compliance.
Research record
Partial public detail found
5 of 7 fields in this section contain provider-specific public detail in dataset August 1, 2026.
Documented
71%
Details not confirmed in the reviewed public material
- New-account deposit
- Activation or transfer fee
“Not confirmed” means the directory did not identify a dependable public statement. It does not mean the provider has no policy or option.
Primary verification routes
- City of Thornton Water public website ↗
Provider-controlled destination used to confirm current customer instructions.
- EPA SDWIS / ECHO lookup (CO0101150) ↗
Search the federal drinking-water database using public water system ID CO0101150.