Municipal Department
City of Longmont Utilities - Water, Sewer and Storm Drainage
Serving Longmont
Population served
104,178
State system code
FIPS 08
Billing frequency
Monthly; Longmont mails utility bills every 30 days and rate schedules are monthly.
Provider briefing
How this utility’s billing works
City of Longmont Utilities - Water, Sewer and Storm Drainage operates as a municipal department serving Longmont. 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 Monthly meter-size service charge plus increasing residential volume blocks. Effective January 1, 2026 inside city limits, a typical 5/8-inch meter is $11.91 monthly; water is $4.84 per 1,000 gallons for 0-5,000, $7.27 for 5,001-15,000, $9.69 for 15,001-35,000 and $13.08 over 35,000. Storm drainage is an additional $18.85 monthly residential fee.. Bills are generated monthly; longmont mails utility bills every 30 days and rate schedules are monthly., and a typical residential cost reference is Approximately $82-$100 per month for an inside-city 5/8-inch account using 5,000-7,000 gallons: $11.91 water base plus about $24-$39 water volume, $11.50 wastewater base plus about $39-$55 wastewater volume, and $18.85 storm drainage. The estimate excludes electric, solid waste and account-specific adjustments.. 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
Metered wastewater is a monthly $11.50 service charge plus $7.82 per 1,000 gallons; unmetered residential wastewater is $51.67 monthly. Longmont's wastewater calculation is based on metered water use rather than a published winter-average formula, with industrial pollutant surcharges possible for qualifying commercial users.
Meter and infrastructure notes
Longmont bills monthly by meter size and gallons used; customers can view water-usage history through MyUtilityAccount. The reviewed current pages do not identify AMI/AMR hardware, transmission interval or universal route-reading schedule.
Emergency water support
Report a leak or water emergency
303-651-8416 for Water Utilities during 8:00 a.m.-5:00 p.m. weekdays. The reviewed current water page does not expose a separate 24/7 emergency telephone number; use the City's service-request/emergency route for an active public hazard.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Longmont
City of Longmont Utilities - Water, Sewer and Storm Drainage 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.