Public water system record
North Mercer Water District
Serves an area of Mercer County, KY that includes Salvisa and Harrodsburg · 9,775 people served
Federal records show 2 health-based violations and 2 monitoring/reporting issues for North Mercer Water District in the last ten years. The most serious issue in this window was a resolved Total Trihalomethanes (TTHMs) violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 2
- Unresolved
- 0
- Any acute record
- Yes
- Monitoring issues, last 10 years
- 2
Key facts
- North Mercer Water District buys its water from Harrodsburg Municipal Water Department and So Anderson Water District.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit), 2021.
- Record on file since 1991, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 1,654 unknown out of 4,888 service lines.
Check whether North Mercer Water District 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.081 mg/L, federal limit 0.08 mg/L (at or just above the limit)
|
220 | Oct 1, 2021 | Resolved | No |
|
Revised Total Coliform Rule
Contaminant limit exceeded
|
110 | Jun 1, 2020 | Resolved | Yes |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Jun 1, 2022 | Resolved |
|
Public Notice
OTHER
|
Jun 5, 2020 | Resolved |
Full record since 1991
EPA's records for North Mercer Water District go back to 1991. Before October 19, 2016 they list 5 health-based violations (4 resolved, 1 archived by EPA without a recorded fix) and 10 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 1 | 1 |
| 2000s | 2 | 5 |
| 2010 to October 18, 2016 | 2 | 4 |
| 2020s | 2 | 2 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began January 2016, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.065 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jan 1, 2016 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.067 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Oct 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2005 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1991 | Archived |
What the violations mean
Total Trihalomethanes (TTHMs)
1 incidentDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
Where the water comes from
North Mercer Water District buys its water from Harrodsburg Municipal Water Department and So Anderson Water District. It lists no wells or intakes of its own. It also has an emergency connection to Danville City Water Works.
Buys water from
- Harrodsburg Municipal Water Department Harrodsburg, KY
- So Anderson Water District Lawrenceburg, KY
Emergency or part-time connections to
- Danville City Water Works Danville, KY
Annual water quality report
North Mercer Water District 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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