State licence
KY contractor licensing
Check the licence with the state board before work starts.
Open the official lookup →Water treatment service near me
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Water treatment service in Louisville, KY
There are 25 verified water firms listed in Louisville, KY. Listings are compiled from public business records and checked against the KY contractor licensing; each record shows the date it was last verified.
Verified listings25 verified listingsSpring band $2,500–$6,000KY licence + Louisville permit links
Information last verified: 8 November 2026. Dataset compiled 8 November 2026.
What qualifies as a listing
Sewer lines in Louisville
Water treatment service work in Louisville follows the same pattern as the rest of KY: the failure mode decides the method, not the other way round.
Permit rules in Louisville are set locally. Ask the city whether your job needs a permit and who pulls it.
What water work costs in Louisville
The national range is from the site’s cost guide, checked 2026-11-08. The local column applies the 1.00× metro factor and rounds to $5. It is a planning band, not a quote.
| Job | National range | Louisville planning band | What it includes |
|---|---|---|---|
| Whole-house softener, installed | $2,500–$6,000 | $2,500–$6,000 | Typical US range |
| Whole-house filtration | $3,500–$9,000 | $3,500–$9,000 | Typical US range |
| Well tank replacement | $1,200–$2,800 | $1,200–$2,800 | Typical US range |
| Well pump replacement | $900–$2,200 | $900–$2,200 | Typical US range |
| Reverse osmosis, installed | $3,500–$8,000 | $3,500–$8,000 | Typical US range |
| Annual service, no salt | $150–$400 | $150–$400 | Typical US range |
Editorial metro factor, not a measured price index. The factor is not a measured local price index; it estimates labour and permit overhead. A quote that is far below the band usually has a smaller scope, not a better price.
Licence and permit checks for Louisville
Local permit
Louisville permit office
Ask whether the job needs a permit and who pulls it.
Open the permit office →These links go to the official state or city page. The directory does not file permits and does not verify a contractor’s current insurance for you.
Sewer line firms in Louisville, KY
25 verified records. The order is the dataset order, not a ranking. Each card shows the date its record was last verified.
Verified
Clearstone Water Company
Water treatment service contractor
- Address
- 9607 Galene Dr
Louisville, KY - Phone
- (502) 305-7847
- Website
- Not published
- Rating
- 5.0 / 5 · 5 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
RainSoft of Greater Kentucky
Water treatment service contractor
- Address
- 11700 Commonwealth Dr
Louisville, KY - Phone
- (502) 890-5000
- Website
- Not published
- Rating
- 2.8 / 5 · 46 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Royal Water Company
Water treatment service contractor
- Address
Louisville, KY- Phone
- (513) 722-1126
- Website
- Not published
- Rating
- 4.8 / 5 · 20 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Alderstone Water Company
Water treatment service contractor
- Address
Louisville, KY- Phone
- (502) 865-9330
- Website
- Not published
- Rating
- 5.0 / 5 · 1 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Southern Water Treatment Services
Water treatment service contractor
- Address
- 4340 Sanita Ct
Louisville, KY - Phone
- (502) 452-1922
- Website
- Not published
- Rating
- Not published
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Culligan Water Systems
Water treatment service contractor
- Address
- 490 N Clark Blvd
Louisville, KY - Phone
- (812) 283-7913
- Website
- Not published
- Rating
- 4.2 / 5 · 39 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
SERVPRO of East Louisville and SERVPRO of SE Jefferson County
Water treatment service contractor
- Address
- 706 E Chestnut St
Louisville, KY - Phone
- (502) 909-0091
- Website
- Not published
- Rating
- 4.7 / 5 · 371 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Bluegrass Kesco Inc
Water treatment service contractor
- Address
- 1101 Industrial Blvd
Louisville, KY - Phone
- (502) 969-4499
- Website
- Not published
- Rating
- 3.0 / 5 · 2 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
A2Z Ozone, Inc.
Water treatment service contractor
- Address
Louisville, KY- Phone
- (502) 499-4977
- Website
- Not published
- Rating
- 4.7 / 5 · 36 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Louisville Water Company
Water treatment service contractor
- Address
- 550 S 3rd St
Louisville, KY - Phone
- (502) 583-6610
- Website
- Not published
- Rating
- 1.4 / 5 · 590 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
SERVPRO of Downtown Louisville
Water treatment service contractor
- Address
- 101 N 7th St
Louisville, KY - Phone
- (502) 785-0834
- Website
- Not published
- Rating
- 5.0 / 5 · 28 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Absolute Services
Water treatment service contractor
- Address
- 3600 Chamberlain Ln
Louisville, KY - Phone
- (502) 221-3735
- Website
- Not published
- Rating
- 4.8 / 5 · 4977 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Hydro Solutions
Water treatment service contractor
- Address
- 2303 River Rd
Louisville, KY - Phone
- (502) 899-7107
- Website
- Not published
- Rating
- 4.6 / 5 · 11 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Dauenhauer Plumbing Heating Air & Electric
Water treatment service contractor
- Address
- 3416 Robards Ct
Louisville, KY - Phone
- (502) 219-3297
- Website
- Not published
- Rating
- 4.8 / 5 · 9583 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
J.P. Water Solutions LLC
Water treatment service contractor
- Address
Louisville, KY- Phone
- (740) 856-6460
- Website
- Not published
- Rating
- 5.0 / 5 · 6 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
KY Water & Air
Water treatment service contractor
- Address
- 386 Waller Ave
Louisville, KY - Phone
- (859) 368-7205
- Website
- Not published
- Rating
- 4.7 / 5 · 63 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Knoxville Water Treatment - Water Softening & Water Purification
Water treatment service contractor
- Address
Louisville, KY- Phone
- (865) 622-2126
- Website
- Not published
- Rating
- 5.0 / 5 · 1 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Karsare Water Systems
Water treatment service contractor
- Address
- 130 Crossfield Dr
Louisville, KY - Phone
- (859) 873-8100
- Website
- Not published
- Rating
- 5.0 / 5 · 8 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
WaterStep
Water treatment service contractor
- Address
- 625 Myrtle St
Louisville, KY - Phone
- (502) 568-6342
- Website
- Not published
- Rating
- 4.9 / 5 · 45 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Derby City Environmental
Water treatment service contractor
- Address
- 3910 Ralph Ave
Louisville, KY - Phone
- (502) 447-3000
- Website
- Not published
- Rating
- 4.2 / 5 · 22 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
M S D
Water treatment service contractor
- Address
- 2998 Wilkie Rd
Louisville, KY - Phone
- (502) 448-3374
- Website
- Not published
- Rating
- 2.0 / 5 · 4 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Bryant Heating, Cooling, Plumbing, & Electric
Water treatment service contractor
- Address
- 4531 Bishop Ln
Louisville, KY - Phone
- (502) 530-0008
- Website
- Not published
- Rating
- 4.8 / 5 · 6846 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
East Kentucky Water Inc
Water treatment service contractor
- Address
- 6702 Zebulon Hwy
Louisville, KY - Phone
- (606) 631-9859
- Website
- Not published
- Rating
- 5.0 / 5 · 1 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Verified
Zoeller Pump Company
Water treatment service contractor
- Address
- 3649 Cane Run Rd
Louisville, KY - Phone
- (502) 778-2731
- Website
- Not published
- Rating
- 4.0 / 5 · 81 reviews
- Place ID
- Not recorded
- Record
- Information last verified: 8 November 2026
Firms in Louisville, KY are shown in the order supplied by the dataset, not by rating or payment. No placement is sold. Each name opens that firm’s own profile page.
How this list was built
The directory starts from public business records: the firm’s own website, its published address and phone number, and the state or city licence register named above. A record is marked verified only when a person has checked the name, address, phone and licence against those sources and recorded the date. The place_id field is kept so a future rebuild can match the same entity without guessing.
The national cost band comes from the site’s cost guide. The metro factor is an editorial estimate, not a survey. No rating, review text, price or availability is invented for a verified page; where a public rating is shown it is attributed and dated.
If a record is wrong, the firm can ask for a correction or removal.Corrections: contact@watertreatmentpro.com. Read the fulllisting verification method.
Water treatment service in Louisville: common questions
How many water firms are listed in Louisville?
25 verified water firms are listed in Louisville, KY. 0 publish a website, and 24 records have been verified. The city page is generated only because the dataset contains at least one genuine listing record; a city with no record has no page.
What does water treatment service cost in Louisville?
The directory’s planning band for a torsion spring replacement is $2,500–$6,000. It is the national range ($2,500–$6,000, checked 2026-11-08) multiplied by an editorial metro factor of 1.00 and rounded to $5. It is an estimate, not a local price survey, and not a quote. Get three written quotes for the same scope.
Does KY license water contractors?
Check the licence with the state board before work starts. The official lookup is the KY contractor licensing, linked on this page. A licence or registration number is a starting point, not a substitute for checking insurance and the scope of the work.
Do I need a permit for a water in Louisville?
Ask whether the job needs a permit and who pulls it. The permit office is the Louisville permit office, linked on this page. If the contractor says no permit is needed, ask them to put the reason in writing.
Water treatment service near Louisville
The closest metros in this directory, by straight-line distance. Each link opens that city’s own cost, licence and permit page.
Guides for Louisville homeowners
What water treatment service costs
Installed ranges by job, and the five lines every quote should show.
Read the guide →Diagnose the problem first
Symptom to cause, what proves it, and what not to do first.
Read the guide →How to choose a contractor
Licence, insurance, warranty and the questions that expose a thin scope.
Read the guide →Compare the options
Repair, replace or change the opening — decided on scope and five-year cost.
Read the guide →Browse the whole directory.
All service areas ·All KY service areas ·Cost guides ·Methodology