Public water system record
Louisville Water Company
Serves Louisville/Jefferson County, Louisville, Shepherdsville and 89 more places, Jefferson County and Bullitt County, KY · 764,769 people served
Federal records show no health-based violations and no monitoring or reporting issues for Louisville Water Company in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Louisville Water Company draws water from 5 wells and 2 surface water intakes (1 of them for emergency, seasonal or other part-time use).
- Record on file since 1993, with 7 health-based violations before October 19, 2016.
- Lead pipe inventory: 483 lead and 59,521 unknown out of 327,653 service lines.
Check whether Louisville Water Company serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1993
EPA's records for Louisville Water Company go back to 1993. Before October 19, 2016 they list 7 health-based violations (7 resolved) and 74 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 7 | 70 |
| 2000s | 0 | 4 |
Most recent health-based violation before October 19, 2016: Beryllium, Total, began June 1998, Resolved.
Show all 7 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Beryllium, Total
Contaminant limit exceeded
Measured 0.029 mg/L, federal limit 0.004 mg/L (7.3 times the limit)
|
Jun 22, 1998 | Resolved |
|
Cadmium
Contaminant limit exceeded
Measured 0.029 mg/L, federal limit 0.005 mg/L (5.8 times the limit)
|
Jun 22, 1998 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1997 | Resolved |
|
Thallium, Total
Contaminant limit exceeded
Measured 0.0025 mg/L, federal limit 0.002 mg/L (1.3 times the limit)
|
Apr 3, 1997 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 1996 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 1995 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 1994 | Resolved |
Where the water comes from
Louisville Water Company draws water from 5 wells and 2 surface water intakes (1 of them for emergency, seasonal or other part-time use). 9 other community water systems buy water from Louisville Water Company.
Community systems that buy water from it
- Hardin County Water District #1 Radcliff, KY
- Hardin County Water District #2 Elizabethtown, KY
- Lebanon Junction Water Works Lebanon Junction, KY
- Mt Washington Water Company Mt Washington, KY
- North Nelson Water District Coxs Creek, KY
- North Shelby Water District Bagdad, KY
- Shelbyville Water & Sewer Commission Shelbyville, KY
- Taylorsville Water Works Taylorsville, KY
- West Shelby Water District Simpsonville, KY
Annual water quality report
Louisville Water Company must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Kentucky.
Certified drinking water labs by state EPA guidance for private wells