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Counties → US Virgin Islands

St. John Island County, US Virgin Islands

Water Systems
10
Population Served
2,228
Total Violations
22
8 health-based
PFAS Detected
0
of 0 tested

Violation Analysis

80.0%
Systems with Violations
2.2
Avg Violations per System
36.4%
Health-Based Violations

Water Source Types

GW
10 systems (100%)

Compliance Snapshot

St. John Island US Virgin Islands water systems by violation status, EPA SDWIS records.

No violations on record (2) One or more violations (8)

Violation history is cumulative — many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Trunk Bay Concession 608 0 —
Cinnamon Bay Camp Ground 490 6 —
Wharfside Village Lp 350 2 —
Westin Resort St. John 350 4 —
Guy Benjamin Elementary 135 2 —
Myrah Keating Smith Clinic 100 2 —
Gifft Hill School Lower Campus 84 2 —
Skinny Legs Bar and Restaurant 61 0 —
Gifft Hill School Upper Campus 25 2 —
Calabash Boom Apartments (St. John) 25 2 —

Other Counties in US Virgin Islands

St. Croix Island County
131 systems · 61,668 served · 878 violations
St. Thomas Island County
112 systems · 58,003 served · 416 violations

Drinking Water Guides

Is Your Tap Water Safe?

How to interpret water quality reports and know when to take action.
PFAS: What You Need to Know

Health risks, EPA standards, and how to reduce PFAS exposure.
Check Your Water System

Step-by-step guide to finding and understanding your local water data.

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Frequently Asked Questions

How many water violations are in St. John Island County? ▼
St. John Island County has 22 total drinking water violations across 10 water systems, of which 8 are health-based violations. 80.0% of systems have at least one violation.
How many people get water from St. John Island County systems? ▼
Water systems in St. John Island County serve approximately 2,228 people through 10 public water systems.
Has PFAS been detected in St. John Island County water? ▼
No PFAS testing data is available for water systems in St. John Island County.
What types of water sources supply St. John Island County? ▼
Water systems in St. John Island County use GW (10 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 36.4% of St. John Island County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Where does this water quality data come from? ▼
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and UCMR5 PFAS monitoring program. SDWIS tracks violations for all public water systems regulated under the Safe Drinking Water Act.

Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology — how this data is sourced, computed, and verified.

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Data sourced from official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial