State guide
Kentucky
Kentucky’s drinking water program sits in the Division of Water, and the state’s public lead page is the Check Your Pipes, KY campaign. The utility and tariff pages reviewed in Kentucky usually split responsibility at the curb stop, meter pit, or property service connection, with the customer responsible on the private side to the building.
Checked against official sources on October 4, 2026. Rules and links change; confirm with the office listed before you act.
- Who usually owns the water service line
- Kentucky utility pages reviewed usually place utility ownership from the main to the curb stop, meter pit, or property service connection, and customer responsibility from there to the premises.
- State drinking water program
- Kentucky Division of Water, Drinking Water Program
- State lead service line page
- Official page →
- Permits for repair or replacement
- Louisville Water’s service rules say plumbers licensed under Kentucky law, with proper permits, may make customer-side connections or repairs, and homeowners may do work on their own property only with proper permits.
- Assistance programs
- Louisville Water says it will replace identified customer-side lead or galvanized service lines free in its current program areas, and Kentucky American Water offers a hidden leak adjustment rate for qualifying underground leaks between the meter and the premises.
Official resources in Kentucky
State drinking water compliance page with reporting guidance and Kentucky drinking water regulatory references.
Kentucky’s official lead outreach page with public resources and utility communications materials.
Local utility page for line material identification and inventory work in Louisville.
Official Louisville Water page explaining customer-side lead or galvanized replacement efforts.
Utility page that explains the company-owned service line, curb stop, meter pit, and customer-owned service line.
Key facts for Kentucky
- Kentucky’s compliance page says new baseline service line inventories are due in November, 2027.
- Kentucky’s compliance page says systems with lead, GRR, or unknown lines on the baseline inventory must develop a service line replacement plan by November, 2027.
- Kentucky American Water says the company-owned service line extends from the main to the curb stop or curb line.
- Kentucky American Water says the customer-owned service line extends from the curb stop or curb line to the building.
- Louisville Water says it owns and maintains the service line from the main through the meter assembly and tailpiece to the property service connection.
- Louisville Water says the customer owns and maintains the private service line between the property service connection and the premises.
Utility water service line rules in Kentucky
| Utility | city | phone | Details |
|---|---|---|---|
| Kentucky Division of Water Drinking Water Compliance | Not published* | Not published* | State page for drinking water reporting guidance, baseline inventory timing, and replacement-plan timing. |
| Louisville Water Lead Project Jefferson | Louisville | (502) 569-0898 | Louisville Water’s lead project line for service line identification and customer-side replacement questions. |
| Louisville Water Customer Service Jefferson | Louisville | (502) 583-6610 | General Louisville Water customer line referenced on the customer service line replacement program page. |
| Kentucky American Water Fayette | Lexington | 1-800-678-6301 | Utility contact for Lexington-area service, rights and responsibilities, and hidden leak adjustment requests. |
* Not published: the official page doesn't list it. Call the office to confirm before you rely on it.
What to do next
- Use Check Your Pipes, KY first to understand Kentucky’s lead-line outreach materials and what your utility may be asking you to verify.
- Ask your utility whether your private side starts at the curb stop, meter pit, or property service connection before scheduling excavation.
- If you are in Louisville or Kentucky American Water territory, ask about lead-line identification tools and any leak-adjustment or replacement program that may apply.
Not seeing your utility or county?
We list a utility only when an official government page publishes its rules. If yours isn't in the table above, it may not publish them online yet. Here's what to use instead, in order:
- General Start with the statewide information above. It applies across Kentucky, but cities and counties can add their own steps, fees or deadlines.
- Closest verified Nearest places where we have verified local data outside this state (distance from Kentucky's population center, for comparison only):
- Greater Cincinnati Water Works Lead Information, Ohio · about 99 miles
- Greater Cincinnati Water Works Customer Service, Ohio · about 99 miles
- Division of Water Resources Drinking Water Compliance, Tennessee · about 142 miles
- Call to confirm Ask the official office. They have the current local rule, fee and form.Kentucky Division of Water Drinking Water Compliance
Website →Phone: (502) 782-1582 (as listed on that page, checked Oct 4, 2026)Your city or county office: Local governments →Not sure who handles it locally? USAGov's free help line, 1-844-872-4681, or the Kentucky page on USA.gov can point you to the right office. - Know the current info? Tell us and include a link to the official page. We check every tip before it goes up.
Helpful guides
- Who is responsible for the water line to your house?
- The curb stop, meter and property line, explained
- Water line leak in your yard: what to do
- Water service line replacement costs
Water line responsibility check →