MANGILAO, GU · Guam County
GWA SOUTHERN WATER SYSTEM Water System
Consumer Confidence Report status
GWA SOUTHERN WATER SYSTEM must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for GWA SOUTHERN WATER SYSTEM.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 2026. This is a record-keeping and public-information tool — it does not replace Guam’s official records. Always confirm current status with Guam before making decisions based on this information.
System facts
- System ID (PWSID)
- GU0000001
- System type
- Community Water System
- Population served
- 5,801
- Service connections
- 1,900
- Ownership
- state government
- Water source
- surface water (rivers, lakes, or reservoirs)
GWA SOUTHERN WATER SYSTEM serves 5,801 people from surface water, placing it in the 3,301 to 10,000 people size category.
As of August 1, 2026, EPA's published records contain no violations for this system.
Violation history
No violations on record for this system.
Enforcement actions
- November 6, 2014Federal Compliance achieved1 linked violation
Common questions
Is GWA SOUTHERN WATER SYSTEM required to publish a Consumer Confidence Report?
- Yes. GWA SOUTHERN WATER SYSTEM is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is GWA SOUTHERN WATER SYSTEM’s next Consumer Confidence Report due?
- GWA SOUTHERN WATER SYSTEM’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GWA SOUTHERN WATER SYSTEM have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for GWA SOUTHERN WATER SYSTEM.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
BORDALLO, MIGUEL
671-300-6845
MANGILAO, GU 96913