Public water system record
Diamond Water Gualo Rai
Mailing address in Gualo Rai, Saipan Municipality, MP · Serves 55 people
Federal records show 3 health-based violations and 1 monitoring/reporting issue for Diamond Water Gualo Rai in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 3
- Resolved
- 3
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Diamond Water Gualo Rai draws water from 1 well.
- Lead pipe inventory: 0 lead and 0 unknown out of 1 service line.
Check whether Diamond Water Gualo Rai serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 15, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Aug 15, 2024 | Resolved | No |
|
Groundwater Rule
Treatment technique failure
|
140 | Nov 13, 2021 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Nitrate
Monitoring and reporting
|
Jan 1, 2023 | Resolved |
What the violations mean
Groundwater Rule
3 incidentsThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about each of these violations.
Where the water comes from
Diamond Water Gualo Rai draws water from 1 well.
Annual water quality report
Diamond Water Gualo Rai 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Diamond Water Gualo Rai for a copy.
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 Northern Mariana Islands.
Certified drinking water labs by state EPA guidance for private wells