A93/100
MIAMI CO-N25A EXTENSION — Water Quality Report 2026
Serving 2,367 people · Ohio
Water Source
Purchased Groundwater
County
—
System ID
OH5502303
Violations
4
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
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: January 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved
Surface water treatment technique failure
When: January 5, 2023 – January 27, 2023Enforcement: Resolving — corrective action underway
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 MIAMI CO-N25A EXTENSION
Is MIAMI CO-N25A EXTENSION water safe to drink?
MIAMI CO-N25A EXTENSION water receives a grade of A (93/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has MIAMI CO-N25A EXTENSION detected?
1 contaminants were tested in MIAMI CO-N25A EXTENSION's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does MIAMI CO-N25A EXTENSION have any EPA violations?
Yes, MIAMI CO-N25A EXTENSION has 4 EPA violation(s) on record, with the most recent in 2024. Violation types include MR, Other.
How many people does MIAMI CO-N25A EXTENSION serve?
MIAMI CO-N25A EXTENSION serves approximately 2,367 people, Ohio.
What type of water does MIAMI CO-N25A EXTENSION provide?
MIAMI CO-N25A EXTENSION sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH5502303.
How does MIAMI CO-N25A EXTENSION compare to other utilities in Ohio?
MIAMI CO-N25A EXTENSION scores 93/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Ohio state page for a full comparison of water systems.