Municipal Department
Town of Castle Rock Water
Serving Castle Rock
Population served
110,298
State system code
FIPS 08
Billing frequency
Monthly. Meters are read during the first three days of the month; bills are generated and mailed between the 6th and 9th, and payment is due by the last business day of the month.
Provider briefing
How this utility’s billing works
Town of Castle Rock Water operates as a municipal department serving Castle Rock. 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 Individualized tiered water-budget structure plus fixed monthly charges for water, renewable water resources, wastewater, and stormwater. Tier 1 is the customer's Average Winter Monthly Consumption (AWMC), Tier 2 is the April-October outdoor budget, and Tier 3 is use above the total budget; an excessive-use surcharge applies above 40,000 gallons per month.. Bills are generated monthly. meters are read during the first three days of the month; bills are generated and mailed between the 6th and 9th, and payment is due by the last business day of the month., and a typical residential cost reference is A dedicated this detail was not publicly posted. Castle Rock assigns each account individualized indoor and outdoor water budgets and the current 2026 PDF rate table was not fully exposed in accessible text. New customers temporarily receive a 4,000-gallon AWMC, described by the Town as approximately $35 per month for that indoor-use component before other fixed services.. 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
The annual AWMC is calculated by averaging potable consumption from November through February and is recalculated effective with the April 1 billing statement. This AWMC represents indoor use and the amount of wastewater treated each month; fixed wastewater and stormwater charges are billed separately as part of Castle Rock's integrated utility bill.
Meter and infrastructure notes
Castle Rock reads all water meters for actual usage during the first three days of each month. The reviewed public pages do not identify whether the meter fleet uses AMR/AMI or a particular transmission interval.
Emergency water support
Report a leak or water emergency
720-733-6000, press 1 for after-hours water emergency/on-call staff. The number is used for street leaks, water line breaks, water quality, and urgent water issues.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Castle Rock
Town of Castle Rock 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.