Public water system record
Cubuy Maizales
On record as serving Naguabo, Naguabo Municipio, PR · Serves 617 people
Federal records show 24 health-based violations and 28 monitoring/reporting issues for Cubuy Maizales in the last ten years. The most serious issue in this window was a resolved Haloacetic Acids (HAA5) violation.
System profile
Source water
Surface water
ZIP
00729
EPA system ID
PR0005286
- Health-based violations, last 10 years
- 24
- Resolved
- 22
- Unresolved
- 0
- Archived by EPA
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 28
Key facts
- Cubuy Maizales draws water from 1 surface water intake.
- Highest measured level in the last 10 years: Haloacetic Acids (HAA5), 0.086 mg/L, federal limit 0.06 mg/L (1.4 times the limit), 2020.
- Most recent formal enforcement: civil case filed in court by Puerto Rico, August 2023.
- Record on file since 1980, with 98 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 39 unknown out of 494 service lines.
Check whether Cubuy Maizales 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 |
|---|---|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.086 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
220 | Apr 1, 2020 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.084 mg/L, federal limit 0.06 mg/L (1.4 times the limit)
|
220 | Jan 1, 2020 | Resolved | No |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.079 mg/L, federal limit 0.06 mg/L (1.3 times the limit)
|
220 | Oct 1, 2019 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2019 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Dec 1, 2018 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Nov 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Oct 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Sep 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2018 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Aug 1, 2017 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jul 1, 2017 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jun 1, 2017 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | May 1, 2017 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Apr 1, 2017 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Mar 1, 2017 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Feb 1, 2017 | Resolved | No |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
120 | Jan 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2024 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2022 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2022 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Sep 1, 2021 |
Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
|
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Jun 1, 2020 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
May 1, 2020 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Mar 1, 2020 | Resolved |
|
Surface Water Treatment Rule
Monitoring and reporting
|
Jan 1, 2020 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Monitoring and reporting
|
Dec 1, 2019 | Resolved |
|
Public Notice
OTHER
|
Jul 10, 2019 | Active |
|
Public Notice
OTHER
|
Dec 1, 2018 | Active |
|
Public Notice
OTHER
|
Nov 1, 2018 | Active |
|
Public Notice
OTHER
|
Oct 1, 2018 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Oct 1, 2018 | Resolved |
|
Public Notice
OTHER
|
Sep 1, 2018 | Active |
|
Public Notice
OTHER
|
Aug 1, 2018 | Active |
|
Public Notice
OTHER
|
Jul 1, 2018 | Active |
|
Public Notice
OTHER
|
Jun 1, 2018 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2016 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2015 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2013 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2012 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2011 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 2011 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2010 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Apr 1, 2009 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2008 | Resolved |
Full record since 1980
EPA's records for Cubuy Maizales go back to 1980. Before October 19, 2016 they list 98 health-based violations (31 resolved, 67 archived by EPA without a recorded fix) and 96 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 18 |
| 1990s | 37 | 2 |
| 2000s | 52 | 53 |
| 2010 to October 18, 2016 | 9 | 23 |
| October 19, 2016 to 2019 | 22 | 10 |
| 2020s | 2 | 9 |
Most recent health-based violation before October 19, 2016: Interim Enhanced Surface Water Treatment Rule (acute), began July 2016, Resolved.
Show all 98 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jul 1, 2016 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
May 1, 2016 | Resolved |
|
Long Term 2 Enhanced Surface Water Treatment Rule
Treatment technique failure
|
Apr 1, 2016 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Apr 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Jan 1, 2011 | Resolved |
|
CARBON, TOTAL
Treatment technique failure
|
Oct 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Feb 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2010 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jan 1, 2010 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2009 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Dec 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2009 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2009 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Mar 1, 2009 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2008 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 2008 | Resolved |
|
Interim Enhanced Surface Water Treatment Rule (acute)
Treatment technique failure
|
Jan 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2007 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 2007 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2004 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2004 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2001 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 2001 | Archived |
48 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Puerto Rico regulators and EPA took 28 formal enforcement actions against Cubuy Maizales between 1993 and 2023. The most recent was a civil case filed in court in August 2023.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 28, 2023 | Puerto Rico | Civil case filed in court | 1 violation: Long Term 2 Enhanced Surface Water Treatment Rule |
| Feb 10, 2020 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| Aug 8, 2019 | Puerto Rico | Civil case filed in court | 2 violations (2 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| Jan 31, 2019 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| Jan 15, 2019 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| Nov 26, 2018 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| Oct 30, 2018 | Puerto Rico | Civil case filed in court | 5 violations (5 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| May 22, 2018 | Puerto Rico | Civil case filed in court | 2 violations (2 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| Feb 23, 2018 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| Nov 17, 2017 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| Aug 1, 2017 | Puerto Rico | Civil case filed in court | 6 violations (6 health-based): Long Term 2 Enhanced Surface Water Treatment Rule |
| Sep 2, 2010 | Puerto Rico | Civil case filed in court | 3 violations (3 health-based): Total Coliform |
| Jun 2, 2010 | Puerto Rico | Civil case filed in court | 6 violations (6 health-based): Total Coliform |
| Feb 10, 2010 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Total Coliform |
| Sep 11, 2009 | Puerto Rico | Civil case filed in court | 1 violation (1 health-based): Total Coliform |
| Mar 24, 2009 | Puerto Rico | Civil case filed in court | 4 violations (4 health-based): Total Coliform |
| Dec 8, 2008 | Puerto Rico | Civil case filed in court | 6 violations (6 health-based): Total Coliform |
| Sep 4, 2008 | Puerto Rico | Civil case filed in court | 2 violations (2 health-based): Total Coliform |
| Feb 26, 2008 | Puerto Rico | Civil case filed in court | 6 violations (6 health-based): Total Coliform |
| Feb 26, 2008 | Puerto Rico | Compliance order (no penalty) | 6 violations (6 health-based): Total Coliform |
| Nov 16, 2007 | Puerto Rico | Civil case filed in court | 5 violations (5 health-based): Total Coliform |
| Apr 18, 2002 | EPA | Compliance order (no penalty) | 63 violations (62 health-based): Total Coliform |
| Dec 12, 1997 | EPA | Compliance order (no penalty) | 27 violations (26 health-based): Total Coliform |
| Aug 8, 1997 | Puerto Rico | Compliance order (no penalty) | 11 violations (11 health-based): Total Coliform |
| Apr 7, 1997 | Puerto Rico | Compliance order (no penalty) | 3 violations (3 health-based): Total Coliform |
| Jul 16, 1996 | EPA | Penalty complaint settled by consent order or decree | 6 violations (5 health-based): Total Trihalomethanes (TTHMs), Surface Water Treatment Rule, Total Coliform |
| Dec 23, 1994 | EPA | Complaint seeking a penalty | 4 violations (3 health-based): Total Trihalomethanes (TTHMs), Surface Water Treatment Rule, Total Coliform |
| Jul 20, 1993 | EPA | Compliance order (no penalty) | 2 violations (1 health-based): Total Trihalomethanes (TTHMs), Surface Water Treatment Rule |
What the violations mean
Long Term 2 Enhanced Surface Water Treatment Rule
21 incidentsThe system failed required surface water treatment or filtration standards
Untreated or inadequately treated surface water can contain bacteria and viruses
Haloacetic Acids (HAA5)
3 incidentsHaloacetic acid byproducts exceeded the federal limit
Long-term exposure to HAAs may increase cancer risk
Where the water comes from
Cubuy Maizales draws water from 1 surface water intake.
Annual water quality report
Cubuy Maizales 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.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
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