Public water system record
Los Barros
On record as serving Guayama, Guayama Municipio, PR · Serves 275 people
Federal records show 2 health-based violations and 41 monitoring/reporting issues for Los Barros in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
Source water
Surface water
ZIP
00784
EPA system ID
PR0530045
- Health-based violations, last 10 years
- 2
- Resolved
- 0
- Unresolved
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 41
Key facts
- Los Barros draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by Puerto Rico, June 2014.
- Record on file since 1992, with 37 health-based violations before October 19, 2016.
Check whether Los Barros 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
|
Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2007 |
Active
Enforcement action in place
|
No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2025 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Dec 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Nov 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Sep 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Aug 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jun 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
May 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Mar 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2024 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2023 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2023 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2022 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Feb 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jan 1, 2020 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
Full record since 1992
EPA's records for Los Barros go back to 1992. Before October 19, 2016 they list 37 health-based violations (1 resolved, 1 not resolved, 35 archived by EPA without a recorded fix) and 296 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 31 | 50 |
| 2000s | 6 | 174 |
| 2010 to October 18, 2016 | 0 | 72 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 1 | 38 |
Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began January 2007, Active.
Show all 37 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 2007 | Active |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 2001 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2001 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 2001 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 2000 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2000 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 1999 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 1998 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1998 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 1998 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Feb 1, 1998 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1997 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 1997 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 1997 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 1997 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 1996 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 1996 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 1996 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 1996 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1995 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 1995 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 1995 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 1995 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 1995 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1994 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1994 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 1994 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1993 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1993 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 1993 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 1993 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1992 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1992 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 1992 | Archived |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 1992 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 1992 | Archived |
Enforcement actions
Puerto Rico regulators and EPA took 3 formal enforcement actions against Los Barros and issued 12 boil water orders between 1990 and 2014, filed as 16 records in EPA's data. The most recent was a compliance order (no penalty) in June 2014.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jun 18, 2014 | Puerto Rico | Compliance order (no penalty) | 87 violations: Total Coliform |
| May 5, 2011 | EPA | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Mar 24, 2010 | Puerto Rico | Boil water order | 42 violations: Total Coliform |
| Sep 10, 2009 | Puerto Rico | Boil water order | 33 violations: Total Coliform |
| Mar 30, 2009 | Puerto Rico | Boil water order | 30 violations: Total Coliform |
| Dec 14, 1994 | EPA | Compliance order (no penalty) | 68 violations (28 health-based): Total Coliform, Surface Water Treatment Rule |
| Feb 19, 1993 | Puerto Rico | Boil water order | 1 violation (1 health-based): Total Coliform |
| Nov 20, 1992 | Puerto Rico | Boil water order | 1 violation (1 health-based): Total Coliform |
| Aug 21, 1992 | Puerto Rico | Boil water order | 1 violation (1 health-based): Total Coliform |
| May 19, 1992 | Puerto Rico | Boil water order | 1 violation (1 health-based): Total Coliform |
| Mar 16, 1992 | Puerto Rico | Boil water order | 1 violation (1 health-based): Total Coliform |
| Dec 15, 1990 | Puerto Rico | Boil water order | 1 violation |
| Oct 15, 1990 | Puerto Rico | Boil water order | 1 violation |
| Sep 14, 1990 | Puerto Rico | Boil water order | 1 violation |
| Aug 15, 1990 | Puerto Rico | Boil water order | 1 violation |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe 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.
Surface Water Treatment Rule
1 incidentThe system did not complete a treatment step or action that the Surface Water Treatment Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Los Barros draws water from 1 surface water intake.
Annual water quality report
Los Barros 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 Los Barros 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 Puerto Rico.
Certified drinking water labs by state EPA guidance for private wells