B76/100
GNADENHUTTEN — Water Quality Report 2026
Serving 1,240 people · Ohio
Water Source
Groundwater
County
—
System ID
OH7900512
Violations
16
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 423.00 mg/L | 1.30 mg/L | Over Limit |
EPA Violation History
2
Violations (last 5yr)
1
Unresolved
0
Health-Related
TIER 3Unresolved
Surface water treatment technique failure
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2021 – August 24, 2021Enforcement: 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 GNADENHUTTEN
Is GNADENHUTTEN water safe to drink?
GNADENHUTTEN water receives a grade of B (76/100), which is considered good. Out of 32 contaminants tested, 1 exceed EPA legal limits. 1 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has GNADENHUTTEN detected?
32 contaminants were tested in GNADENHUTTEN's water. Notable contaminants include Copper (90th percentile). 1 exceed EPA legal limits (MCLs). 1 exceed EPA health goals (MCLGs).
Does GNADENHUTTEN have any EPA violations?
Yes, GNADENHUTTEN has 16 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MR.
How many people does GNADENHUTTEN serve?
GNADENHUTTEN serves approximately 1,240 people, Ohio.
What type of water does GNADENHUTTEN provide?
GNADENHUTTEN sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is OH7900512.
How does GNADENHUTTEN compare to other utilities in Ohio?
GNADENHUTTEN scores 76/100 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.