C49/100
JEFFERSON CO W AND S DISTRICT - M — Water Quality Report 2026
Serving 13,983 people · Ohio
Water Source
Purchased Surface Water
County
—
System ID
OH4101103
Violations
16
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 50.00 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
5
Violations (last 5yr)
3
Unresolved
0
Health-Related
TIER 3Unresolved
Disinfection byproduct treatment technique failure
When: February 12, 2025Rule: Ground Water RuleEnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved
Failed to conduct Level 2 Assessment
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Unresolved
Surface water treatment technique failure
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About JEFFERSON CO W AND S DISTRICT - M
Is JEFFERSON CO W AND S DISTRICT - M water safe to drink?
JEFFERSON CO W AND S DISTRICT - M water receives a grade of C (49/100), which is considered fair. 1 contaminant(s) exceed EPA legal limits and 16 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has JEFFERSON CO W AND S DISTRICT - M detected?
70 contaminants were tested in JEFFERSON CO W AND S DISTRICT - M's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does JEFFERSON CO W AND S DISTRICT - M have any EPA violations?
Yes, JEFFERSON CO W AND S DISTRICT - M has 16 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MR, MCL. 6 are health-based violations.
How many people does JEFFERSON CO W AND S DISTRICT - M serve?
JEFFERSON CO W AND S DISTRICT - M serves approximately 13,983 people, Ohio.
What type of water does JEFFERSON CO W AND S DISTRICT - M provide?
JEFFERSON CO W AND S DISTRICT - M sources its water from purchased surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is OH4101103.
How does JEFFERSON CO W AND S DISTRICT - M compare to other utilities in Ohio?
JEFFERSON CO W AND S DISTRICT - M scores 49/100 with a grade of C (fair). This score indicates room for improvement compared to other utilities. Visit our Ohio state page for a full comparison of water systems.