Municipal Department
Harlingen Waterworks System
Serving Harlingen
Population served
Approximately 72,000 residents in Harlingen and the surrounding HWWS service area; the system identifies public water system TX0310002 and operates the City water and wastewater network.
State system code
FIPS 48
Billing frequency
Monthly; HWWS offers monthly electronic billing and monthly ACH bank draft.
Provider briefing
How this utility’s billing works
Harlingen Waterworks System operates as a municipal department serving Harlingen. 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 The system uses adopted residential and commercial water and wastewater schedules with fixed charges plus volumetric consumption rates. HWWS approved a planned series of rate increases and states that the next scheduled increase is proposed for October 1, 2026; the accessible rate page does not render the complete table in text.. Bills are generated monthly; hwws offers monthly electronic billing and monthly ach bank draft., and a typical residential cost reference is A dedicated this detail was not publicly posted. The current 2026 rate table is presented graphically and the accessible page text does not provide enough numeric detail to calculate a reliable 5,000–7,000-gallon combined bill.. 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
HWWS publishes separate wastewater rates for residential and commercial customers. The accessible page confirms that the charge is based on the adopted rate schedule, but it does not expose the complete winter-average, monthly-consumption, or cap formula in text.
Meter and infrastructure notes
HWWS provides a public 'How to Read Your Meter' resource and bills monthly, but the reviewed pages do not identify the meter vendor, AMI/AMR communications technology, hourly transmission interval, or exact route schedule.
Emergency water support
Report a leak or water emergency
24-hour emergency response is available at 956-406-8001 or 956-430-6100; after hours, option 1 is for sewer emergencies and option 2 is for water emergencies. The system directs customers to report leaks, main breaks, and service problems promptly.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Harlingen
Harlingen Waterworks System 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.