Public water system record
Com. Rancho Grande
On record as serving Naguabo, Naguabo Municipio, PR · Serves 1,428 people
Federal records show 2 health-based violations and 5 monitoring/reporting issues for Com. Rancho Grande in the last ten years, including an unresolved Revised Total Coliform Rule violation.
System profile
- Health-based violations, last 10 years
- 2
- Resolved
- 0
- Unresolved
- 2
- Any acute record
- No
- Monitoring issues, last 10 years
- 5
Key facts
- Com. Rancho Grande draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by Puerto Rico, August 2015.
- Record on file since 1991, with 67 health-based violations before October 19, 2016.
Check whether Com. Rancho Grande 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 |
|---|---|---|---|---|
|
Revised Total Coliform Rule
Treatment technique failure
|
110 | Aug 1, 2025 | Active | No |
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Public Notice
OTHER
|
Aug 1, 2025 | Active |
|
LEAD AND COPPER RULE REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Revised Total Coliform Rule
Monitoring violation
|
Oct 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Jul 1, 2019 | Resolved |
|
Revised Total Coliform Rule
Monitoring violation
|
Apr 1, 2019 | Resolved |
Full record since 1991
EPA's records for Com. Rancho Grande go back to 1991. Before October 19, 2016 they list 67 health-based violations (13 resolved, 54 archived by EPA without a recorded fix) and 122 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 29 | 30 |
| 2000s | 32 | 75 |
| 2010 to October 18, 2016 | 6 | 17 |
| October 19, 2016 to 2019 | 0 | 3 |
| 2020s | 2 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began February 2015, Resolved.
Show all 67 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
Feb 1, 2015 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2015 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 2014 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Feb 1, 2013 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2010 | Resolved |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Apr 1, 2010 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Jan 1, 2008 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Oct 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 (acute)
Contaminant limit exceeded
|
Jul 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2006 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2005 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 2005 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 2005 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2005 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2005 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2005 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2004 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Sep 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 2004 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jun 1, 2004 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
May 1, 2004 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Apr 1, 2003 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Dec 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 2002 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 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
|
Dec 1, 2000 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 2000 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2000 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Aug 1, 2000 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 2000 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Nov 1, 1999 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Oct 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Aug 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1999 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Jul 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jun 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 1999 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Feb 1, 1999 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Jan 1, 1999 | Archived |
|
Total Coliform (acute)
Contaminant limit exceeded
|
Dec 1, 1998 | Archived |
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 1998 | Archived |
17 older violations are not listed here. EPA ECHO has the complete list.
Enforcement actions
Puerto Rico regulators and EPA took 7 formal enforcement actions against Com. Rancho Grande and issued 9 boil water orders between 1990 and 2015, filed as 17 records in EPA's data. The most recent was a compliance order (no penalty) in August 2015.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Aug 17, 2015 | Puerto Rico | Compliance order (no penalty) | 34 violations (7 health-based): Total Coliform |
| Jul 29, 2008 | EPA | Compliance order (no penalty) | 2 violations (2 health-based): Surface Water Treatment Rule |
| Nov 15, 2006 | Puerto Rico | Boil water order | 1 violation (1 health-based): Total Coliform |
| Jul 11, 2003 | EPA | Complaint seeking a penalty | 36 violations (2 health-based): Surface Water Treatment Rule |
| Jul 11, 2003 | EPA | Compliance order (no penalty) | 117 violations (45 health-based): Surface Water Treatment Rule, Total Coliform |
| Sep 29, 2000 | EPA | Compliance order (no penalty) | 101 violations (38 health-based): Surface Water Treatment Rule, Total Coliform |
| Jun 24, 1998 | EPA | Compliance order (no penalty) | 61 violations (28 health-based): Total Coliform, Surface Water Treatment Rule |
| Jun 30, 1994 | EPA | Compliance order (no penalty) | 40 violations (10 health-based): Surface Water Treatment Rule, Total Coliform |
| Mar 19, 1993 | 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 |
| Jul 16, 1990 | Puerto Rico | Boil water order | 1 violation |
| Jun 15, 1990 | Puerto Rico | Boil water order | 1 violation |
| May 3, 1990 | Puerto Rico | Boil water order | 1 violation |
What the violations mean
Revised Total Coliform Rule
1 incidentThe system did not meet a requirement of the Revised Total Coliform Rule
Coliform and E. coli rules protect against bacteria in the distribution system
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.
Where the water comes from
Com. Rancho Grande draws water from 1 surface water intake.
Annual water quality report
Com. Rancho Grande 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