The Market St. Croix
PWS ID: VI3000513 · US Virgin Islands
The Market St. Croix serves 900 people in US Virgin Islands using Groundwater water sources. It has 2 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.
Water Quality Snapshot: The Market St. Croix
The Market St. Croix is a private-owned non-transient non-community water system that delivers drinking water to 900 residents in US Virgin Islands (St. Croix Island County) through 1 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 2 total violations for this system , of which 1 (50%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 2024.
The most frequently cited contaminant at this system is LEAD AND COPPER RULE REVISIONS, recorded in 1 violation (TT, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.
Across US Virgin Islands, EPA tracks 256 public water systems serving 122,604 people, with 1,317 cumulative violations and 236 health-based violations on record. About 84% of systems in the state carry at least one violation, and state-wide the average per system is 5.1 violations. The Market St. Croix's 2 violations sit below the US Virgin Islands average. Statewide, 1 of 3 UCMR5-tested systems have reported PFAS detections (33.3%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Private
- Connections
- 1
- County
- St. Croix Island
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 0
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
Verify This Water System
The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for The Market St. Croix.
EPA SDWIS — Federal Reports
EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:
View PWS ID VI3000513 on SDWISSource: EPA SDWIS Federal Reports Search
US Virgin Islands Drinking Water Authority
US Virgin Islands's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.
Find VI regulator via EPA SDWISViolation Timeline
Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.
| Year (latest) | Contaminant | Category | Count | EPA Record |
|---|---|---|---|---|
| 2024 | LEAD AND COPPER RULE REVISIONS | TT | 1 | SDWIS / VI3000513 / 5200 |
| 2024 | LEAD AND COPPER RULE REVISIONS | RPT | 1 | SDWIS / VI3000513 / 5200 |
How The Market St. Croix Compares
Cross-reference this system's record against state averages and the federal MCL framework for context.
| Metric | The Market St. Croix | US Virgin Islands avg | Federal benchmark |
|---|---|---|---|
| Total violations | 2 | 5.1 | SDWA compliance — any non-zero count is a recorded breach |
| Health-based violations | 1 | 0.9 | Indicates a contaminant exceeded a federal MCL |
| PFAS detection | None | 33.3% | EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt |
| Population served | 900 | 479 | Sizing context for compliance burden |
Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 256 regulated public water systems in US Virgin Islands.
Federal MCL reference — Safe Drinking Water Act thresholds ▼
| Contaminant | Federal MCL / Action Level | Note |
|---|---|---|
| Lead | 0 mg/L (Action Level: 0.015 mg/L) | Lead and Copper Rule treatment technique |
| Arsenic | 0.010 mg/L (10 ppb) | Health-based MCL since 2006 |
| Total Coliform | Treatment technique (RTCR) | Indicator organism, monitoring trigger |
| PFOA / PFOS (PFAS) | 4.0 ppt each (final 2024 rule) | Compliance deadline 2029 |
| Nitrate (as N) | 10 mg/L | Acute health risk for infants |
Frequently Asked Questions
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What type of violations does The Market St. Croix have? ▼
Has PFAS been detected in The Market St. Croix water? ▼
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Related Data for US Virgin Islands
Read our methodology — how this data is sourced, computed, and verified.