Public water system record

Water and Power Authority - STT

On record as serving St. Thomas Island, VI · Serves 34,000 people

Federal records show 1 health-based violation and 1 monitoring/reporting issue for Water and Power Authority - STT in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

VI0000443
CHRISTIANSTED
VI
34,000 served

System profile

Source water Surface water

ZIP 00823

EPA system ID VI0000443

Verify this system on EPA ECHO →

Health-based violations, last 10 years: 1
Resolved: 0
Unresolved: 1
Any acute record: No
Monitoring issues, last 10 years: 1

Key facts

Water and Power Authority - STT draws water from 1 surface water intake.
Most recent formal enforcement: compliance order (no penalty) by EPA, June 1993.
Record on file since 1980, with 0 health-based violations before October 19, 2016.

Check whether Water and Power Authority - STT serves your address

Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant	Rule family	Start date	Status	Acute
LEAD AND COPPER RULE REVISIONS Treatment technique failure	350	Oct 17, 2024	Active	No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue	Start date	Status
LEAD AND COPPER RULE REVISIONS RPT	Oct 17, 2024	Active

Full record since 1980

EPA's records for Water and Power Authority - STT go back to 1980. Before October 19, 2016 they list no health-based violations and 3 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
1980s	0	2
1990s	0	1
2020s	1	1

Enforcement actions

EPA took 1 formal enforcement action against Water and Power Authority - STT in 1993. The most recent was a compliance order (no penalty) in June 1993.

Date	By	Action	Violations covered
Jun 14, 1993	EPA	Compliance order (no penalty)	1 violation: Lead and Copper Rule

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Water and Power Authority - STT draws water from 1 surface water intake. 2 other community water systems and 9 smaller public systems such as schools, businesses or campgrounds buy water from Water and Power Authority - STT.

Community systems that buy water from it

Calabash Boom Apartments (St. John) St. John, VI
Criminal Justice Complex

Annual water quality report

Water and Power Authority - STT must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by the U.S. Virgin Islands.

Certified drinking water labs by state EPA guidance for private wells