Verify the water provider, PWSID, source, ZIP coverage and current reports before comparing whole-house filtration, water softeners, reverse osmosis, professional installation or financing in Louisville.
The research starting point is Louisville Water Company with public-water-system ID KY0560258. The source profile is Ohio River surface water and riverbank filtration. Louisville Water treats Ohio River water and uses riverbank filtration; verify the current report and service address.
What this means: the city name and ZIP code organize the search, but the current bill, serving utility, PWSID, newest report and property-specific test determine which evidence applies.
Louisville Water publishes an annual report and utility-specific treatment information. A ZIP code alone does not prove Louisville Water serves a particular property.
Save the current bill, the newest report for the serving system, any utility notices, and the exact service-line or private-well information for the property. Then record whether scale, staining, odor, taste, sediment or pressure changes occur at one fixture or throughout the building. Those observations guide testing but do not identify a contaminant.
Place the property into the correct research situation before comparing treatment equipment.
Use the exact system name and PWSID to locate the newest Consumer Confidence Report, Kentucky Drinking Water Watch record and EPA ECHO record. Confirm the sample year and whether a result represents raw water, finished water or the distribution system.
A ZIP code can cross city, county and utility boundaries. Search the property address, check the bill and verify any purchased-water relationship before assigning a utility-wide result.
Do not borrow a public-system contaminant table for a private well. Document the well, treatment history, plumbing and nearby land uses, then select a certified laboratory panel for the actual concern.
Service lines, premise plumbing, water heaters and vacancy can create address-level conditions. Separate public-system compliance from what a sample at the building can establish.
Regional context: this site groups Louisville with Louisville and North-Central Kentucky. The decisive identifiers remain the provider, PWSID and source serving the property.
Current page note: Louisville Water publishes an annual report and utility-specific treatment information. A ZIP code alone does not prove Louisville Water serves a particular property.
These fixed outbound links can be stored in static HTML. The information at EWG, Kentucky and EPA destinations is maintained dynamically and may change. ZIP codes do not establish the water provider.
| ZIP | Postal use | Utility starting point | PWSID | Source profile | Research links |
|---|---|---|---|---|---|
| 40202 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40203 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40204 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40205 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40206 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40207 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40208 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40209 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40210 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40211 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40212 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40213 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40214 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40215 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40216 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40217 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40218 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40219 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40220 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40221 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40222 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40223 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40228 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40229 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40231 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40232 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40233 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40241 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40242 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40243 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40245 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40250 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40251 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40252 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40253 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40255 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40256 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40257 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40258 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40259 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40261 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40266 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40268 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40269 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40270 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40272 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40280 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40281 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40282 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40283 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40285 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40287 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40289 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40290 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40291 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40292 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40293 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40294 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40295 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40296 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40297 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40298 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration | |
| 40299 | Primary city or service-area ZIPUse the street-address ZIP, not a PO Box, for utility matching. | Louisville Water CompanyPossible provider only; verify on the current bill. | KY0560258 | Ohio River surface water and riverbank filtration |
System selection should follow the utility or well, the current report, a relevant test, household demand, installation conditions and model-specific certified claims.
Address sediment, disinfectant taste or a verified reduction goal at the point of entry.
Size ion exchange around measured hardness, flow and household demand.
Compare point-of-use drinking-water reduction claims and maintenance needs.
Select a test panel that answers the actual source and treatment question.
Homes and businesses on both sides of the Ohio River may share regional source-water questions while remaining on separate utilities and state regulatory systems. Use the Indiana guides for Clarksville, Jeffersonville and New Albany only when researching an Indiana address.
Boundary rule: never carry a Kentucky utility result across the river to an Indiana property.
Louisville Water Company is the research starting point listed for this page. The serving system must still be confirmed on the current bill because ZIP codes and municipal boundaries do not prove the utility.
The listed research PWSID is KY0560258.
No. ZIP codes are postal delivery areas and can cross utility, municipal and county boundaries. Confirm the water bill, provider and PWSID.
The answer depends on the serving utility or well, the current report, property plumbing, a relevant test and the model-specific certified reduction claims. Testing and equipment sizing should come before installation.
Use nearby pages for regional orientation, then keep every result tied to the actual service address.
Share the provider, source, ZIP code, report or test result and the improvement you want. The response can address testing, whole-house filtration, softening, reverse osmosis, installation and financing availability.
These links are starting points. Use the newest utility report and current account information before relying on a result.
Data timing: Kentucky and EPA public-system records can lag current utility operations. EPA ECHO states that federal drinking-water compliance data are reported quarterly rather than in real time. EWG is an independent comparison source and is not a regulator or a Zero Trace Water partner.
