A87/100
ONANCOCK, TOWN OF — Water Quality Report 2026
Serving 1,525 people · Virginia
Water Source
Groundwater
County
—
System ID
VA3001620
Violations
6
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
3
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: February 1, 2025 – February 28, 2025Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 1, 2023 – September 30, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: June 1, 2023 – June 30, 2023Rule: Total Coliform RuleEnforcement: 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 ONANCOCK, TOWN OF
Is ONANCOCK, TOWN OF water safe to drink?
ONANCOCK, TOWN OF water receives a grade of A (87/100), 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 ONANCOCK, TOWN OF detected?
1 contaminants were tested in ONANCOCK, TOWN OF's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does ONANCOCK, TOWN OF have any EPA violations?
Yes, ONANCOCK, TOWN OF has 6 EPA violation(s) on record, with the most recent in 2025. Violation types include MON, MR, MCL. 1 are health-based violations.
How many people does ONANCOCK, TOWN OF serve?
ONANCOCK, TOWN OF serves approximately 1,525 people, Virginia.
What type of water does ONANCOCK, TOWN OF provide?
ONANCOCK, TOWN OF sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is VA3001620.
How does ONANCOCK, TOWN OF compare to other utilities in Virginia?
ONANCOCK, TOWN OF scores 87/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our Virginia state page for a full comparison of water systems.