GUANICA, PR · Guanica Municipio County

ENSENADA Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Puerto Rico’s official records. Always confirm current status with Puerto Rico before making decisions based on this information.

System facts

System ID (PWSID): PR0004084
System type: Community Water System
Population served: 6,122
Service connections: 2,293
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Nitrate
January 1, 2024 – March 31, 2024
Resolved
Monitoring, Regular
—
Selenium
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Thallium, Total
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Beryllium, Total
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Antimony, Total
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Mercury
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
CYANIDE
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Chromium
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Cadmium
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Barium
January 1, 2022 – December 31, 2022
Resolved
Monitoring, Regular
—
Arsenic
January 1, 2022 – December 31, 2022
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2020 – August 5, 2020
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
October 1, 2018 – August 13, 2019
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2014 – August 13, 2014
Resolved
Monitoring, Routine (IDSE)
—
Total Haloacetic Acids (HAA5)
July 1, 2014 – September 30, 2014
Resolved
Monitoring, Routine (IDSE)
—
TTHM
July 1, 2014 – September 30, 2014
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
July 1, 2013 – October 18, 2019
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2011 – October 31, 2011
Archived
Monitoring, Regular
—
Nitrate
October 1, 2010 – December 31, 2010
Resolved
Monitoring, Regular
—
Nitrate
July 1, 2010 – September 30, 2010
Resolved
Monitoring, Regular
—
LASSO
July 1, 2010 – September 30, 2010
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2003 – November 30, 2003
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
December 1, 1998 – December 31, 1998
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
September 1, 1998 – September 30, 1998
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
July 1, 1998 – January 1, 2011
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 1998 – June 30, 1998
Archived
Monitoring, Regular
—
Toluene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
Benzene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
CHLOROBENZENE
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
Tetrachloroethylene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
1,1,2-Trichloroethane
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
1,2-Dichloropropane
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
Styrene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
Ethylbenzene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
Xylenes, Total
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
1,2,4-Trichlorobenzene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
1,1,1-Trichloroethane
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
trans-1,2-Dichloroethylene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
Vinyl chloride
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 1997 – September 30, 1997
Archived
Monitoring, Regular
—
DICHLOROMETHANE
July 1, 1997 – September 30, 1997
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
March 1, 1996 – March 31, 1996
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
January 1, 1995 – January 31, 1995
Archived
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
November 1, 1994 – November 30, 1994
Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Period	Violation	Contaminant / rule	Health-based	Status
January 1, 2024 – March 31, 2024	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Selenium	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Thallium, Total	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Beryllium, Total	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Antimony, Total	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Mercury	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	CYANIDE	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Chromium	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Cadmium	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Barium	—	Resolved
January 1, 2022 – December 31, 2022	Monitoring, Regular	Arsenic	—	Resolved
July 1, 2020 – August 5, 2020	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
October 1, 2018 – August 13, 2019	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2014 – August 13, 2014	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Routine (IDSE)	Total Haloacetic Acids (HAA5)	—	Resolved
July 1, 2014 – September 30, 2014	Monitoring, Routine (IDSE)	TTHM	—	Resolved
July 1, 2013 – October 18, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
October 1, 2011 – October 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
October 1, 2010 – December 31, 2010	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	Nitrate	—	Resolved
July 1, 2010 – September 30, 2010	Monitoring, Regular	LASSO	—	Resolved
November 1, 2003 – November 30, 2003	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
December 1, 1998 – December 31, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
September 1, 1998 – September 30, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1998 – January 1, 2011	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
June 1, 1998 – June 30, 1998	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Toluene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Benzene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	CHLOROBENZENE	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Tetrachloroethylene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	1,1,2-Trichloroethane	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Trichloroethylene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	1,2-Dichloropropane	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Styrene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Ethylbenzene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Xylenes, Total	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	1,1,1-Trichloroethane	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	Vinyl chloride	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 1997 – September 30, 1997	Monitoring, Regular	DICHLOROMETHANE	—	Archived
March 1, 1996 – March 31, 1996	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Archived
January 1, 1995 – January 31, 1995	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived
November 1, 1994 – November 30, 1994	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Archived

Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)

Enforcement actions

December 10, 2024State Formal Notice of Violation issued1 linked violation
June 30, 2024State Compliance achieved1 linked violation
June 26, 2023State Compliance achieved10 linked violations
March 1, 2023State Formal Notice of Violation issued10 linked violations
August 5, 2020State Compliance achieved1 linked violation
October 18, 2019State Compliance achieved1 linked violation
August 13, 2019State Compliance achieved1 linked violation
July 10, 2019State Formal Notice of Violation issued1 linked violation
September 30, 2015State Compliance achieved2 linked violations
September 30, 2015State Compliance achieved2 linked violations
October 29, 2014State Formal Notice of Violation issued2 linked violations
August 13, 2014State Compliance achieved1 linked violation
March 17, 2014State Formal Notice of Violation issued1 linked violation
September 30, 2011State Compliance achieved1 linked violation
March 31, 2011State Compliance achieved1 linked violation
February 3, 2011State Formal Notice of Violation issued1 linked violation
February 3, 2011State Formal Notice of Violation issued1 linked violation
January 1, 2011State Compliance achieved1 linked violation
November 12, 2010State Formal Notice of Violation issued1 linked violation
October 21, 2010State Formal Notice of Violation issued1 linked violation
September 30, 2010State Compliance achieved1 linked violation
June 1, 2010State Compliance achievedgeneral compliance action — not tied to a specific violation on record
June 24, 2008State Civil Case filed in State court1 linked violation
February 9, 2004State Public Notification requested1 linked violation
July 19, 2001State Public Notification received1 linked violation
April 14, 1999State Formal Notice of Violation issued1 linked violation
February 9, 1999State Public Notification requested1 linked violation
January 1, 1999State Compliance achieved1 linked violation
January 1, 1999State Compliance achieved1 linked violation
November 10, 1998State Public Notification requested1 linked violation
August 1, 1998State Public Notification received1 linked violation
November 25, 1997State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
May 8, 1996State Public Notification requested1 linked violation
March 14, 1995State Public Notification received1 linked violation
February 7, 1995State Public Notification requested1 linked violation

Contact

ENSENADA

787-620-2277

GUANICA, PR 00653