Public Water Authority
Water District No. 1 of Johnson County, Kansas (WaterOne)
Serving Johnson County, including Overland Park, Olathe, Lenexa, and surrounding communities
Population served
490,000 people (EPA SDWIS PWS ID KS2009110; 2026 active CWS record).
State system code
FIPS 20
Billing frequency
Monthly or bimonthly depending on the customer account and route. WaterOne's rules expressly contain separate monthly-bill and bimonthly-bill provisions.
Provider briefing
How this utility’s billing works
Water District No. 1 of Johnson County, Kansas (WaterOne) operates as a public water authority serving Johnson County, including Overland Park, Olathe, Lenexa, and surrounding communities. 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 Metered consumption with account-specific fixed/service charges and rate blocks; WaterOne adopted 2026 rates effective January 1, 2026. The official budget announcement says the planned adjustment was 2.9% and about $1.65 per month for a typical residential customer.. Bills are generated monthly or bimonthly depending on the customer account and route. waterone's rules expressly contain separate monthly-bill and bimonthly-bill provisions., and a typical residential cost reference is Approximately the prior typical residential amount plus $1.65 per month under WaterOne's 2026 budget announcement; the reviewed public release does not publish the complete 5,000-7,000 gallon bill calculation.. 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
Johnson County Wastewater bills sanitary sewer using water-usage data provided by WaterOne. The county explains that billing-cycle changes align wastewater billing with the WaterOne drinking-water cycle; the reviewed pages do not state a single universal winter-average or percentage formula.
Meter and infrastructure notes
WaterOne's customer dashboard provides usage views and high-usage alerts. The rules distinguish monthly and bimonthly accounts, while the reviewed pages do not identify a single AMI transmission interval for every meter.
Emergency water support
Report a leak or water emergency
913-895-1800, published as WaterOne's 24-hour emergency contact.
Official starting point
Choose the right next step
Reading this profile
A practical reference for Johnson County, including Overland Park, Olathe, Lenexa, and surrounding communities
Water District No. 1 of Johnson County, Kansas (WaterOne) is listed here as a public water authority. 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.