B78/100
NORTHWEST REGIONAL WATER DISTRICT — Water Quality Report 2026
Serving 11,059 people · Ohio
Water Source
Purchased Groundwater
County
—
System ID
OH7300003
Violations
3
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) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 1997.
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 NORTHWEST REGIONAL WATER DISTRICT
Is NORTHWEST REGIONAL WATER DISTRICT water safe to drink?
NORTHWEST REGIONAL WATER DISTRICT water receives a grade of B (78/100), which is considered good. Out of 67 contaminants tested, 1 exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has NORTHWEST REGIONAL WATER DISTRICT detected?
67 contaminants were tested in NORTHWEST REGIONAL WATER DISTRICT's water. Notable contaminants include Copper (90th percentile), Lead (90th percentile). 1 exceed EPA legal limits (MCLs). 2 exceed EPA health goals (MCLGs).
Does NORTHWEST REGIONAL WATER DISTRICT have any EPA violations?
Yes, NORTHWEST REGIONAL WATER DISTRICT has 3 EPA violation(s) on record, with the most recent in 1997. Violation types include MR, MCL. 2 are health-based violations.
How many people does NORTHWEST REGIONAL WATER DISTRICT serve?
NORTHWEST REGIONAL WATER DISTRICT serves approximately 11,059 people, Ohio.
What type of water does NORTHWEST REGIONAL WATER DISTRICT provide?
NORTHWEST REGIONAL WATER DISTRICT sources its water from purchased groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH7300003.
How does NORTHWEST REGIONAL WATER DISTRICT compare to other utilities in Ohio?
NORTHWEST REGIONAL WATER DISTRICT scores 78/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our Ohio state page for a full comparison of water systems.