Public water system record
Jefferson Co W&S District- J
Serves an area of Jefferson County, OH · 896 people served
Federal records show 2 health-based violations and 4 monitoring/reporting issues for Jefferson Co W&S District- J 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
- No
- Monitoring issues, last 10 years
- 4
Key facts
- Jefferson Co W&S District- J buys its water from Mingo Junction PWS.
- Highest measured level in the last 10 years: Total Trihalomethanes (TTHMs), 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit), 2017.
- Record on file since 2004, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 283 unknown out of 283 service lines.
Check whether Jefferson Co W&S District- J 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 0.084 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Jul 1, 2024 | Resolved | No |
|
Total Trihalomethanes (TTHMs)
Contaminant limit exceeded
Measured 0.087 mg/L, federal limit 0.08 mg/L (1.1 times the limit)
|
220 | Apr 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Jul 2, 2025 | Active |
|
Public Notice
OTHER
|
Feb 12, 2025 | Active |
|
Haloacetic Acids (HAA5)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
|
Total Trihalomethanes (TTHMs)
Monitoring and reporting
|
Oct 1, 2023 | Resolved |
Full record since 2004
EPA's records for Jefferson Co W&S District- J go back to 2004. Before October 19, 2016 they list no health-based violations and 2 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 2000s | 0 | 1 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 1 | 0 |
| 2020s | 1 | 4 |
What the violations mean
Total Trihalomethanes (TTHMs)
2 incidentsDisinfection byproduct levels exceeded the federal limit
Long-term TTHM exposure may increase bladder cancer risk
Where the water comes from
Jefferson Co W&S District- J buys its water from Mingo Junction PWS. It lists no wells or intakes of its own. It also has an emergency connection to City of Steubenville.
Buys water from
- Mingo Junction PWS Mingo Junction, OH
Emergency or part-time connections to
- City of Steubenville Steubenville, OH
Annual water quality report
Jefferson Co W&S District- J 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 Ohio.
Certified drinking water labs by state EPA guidance for private wells