GUAYANILLA, PR · Guayanilla Municipio County
PIEDRAS BLANCAS 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)
- PR0004474
- System type
- Community Water System
- Population served
- 3,391
- Service connections
- 1,270
- Ownership
- local government
- Water source
- groundwater (wells)
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2020 – August 7, 2020
ResolvedMonitoring, Regular
—Benzo(a)pyrene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Atrazine
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Di(2-ethylhexyl) adipate
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Chlordane
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Heptachlor epoxide
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Heptachlor
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—LASSO
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Hexachlorocyclopentadiene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Simazine
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Toxaphene
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—BHC-GAMMA
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Glyphosate
January 1, 2019 – January 31, 2019
ResolvedMonitoring, Regular
—Endrin
January 1, 2019 – March 31, 2019
ResolvedMonitoring, Regular
—Methoxychlor
January 1, 2019 – March 31, 2019
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
October 1, 2018 – August 13, 2019
ResolvedLead Consumer Notice
—Lead and Copper Rule
January 1, 2016 – December 9, 2019
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2014 – August 20, 2014
ResolvedMonitoring, Routine (IDSE)
—TTHM
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Routine (IDSE)
—Total Haloacetic Acids (HAA5)
July 1, 2014 – September 30, 2014
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
April 1, 2014 – April 30, 2014
ResolvedLead Consumer Notice
—Lead and Copper Rule
July 1, 2012 – December 9, 2019
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2007 – August 31, 2007
ResolvedMonitoring, Regular
—Total Polychlorinated Biphenyls (PCB)
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—HEXACHLOROBENZENE
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Heptachlor epoxide
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Heptachlor
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Toxaphene
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Methoxychlor
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—BHC-GAMMA
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Endrin
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Regular
—Chlordane
April 1, 2007 – June 30, 2007
ResolvedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
November 1, 2003 – November 30, 2003
ArchivedMonitoring, Routine Minor (TCR)
—Coliform (TCR)
September 1, 1998 – September 30, 1998
ArchivedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
June 1, 1998 – June 30, 1998
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 |
|---|---|---|---|---|
| July 1, 2020 – August 7, 2020 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Benzo(a)pyrene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Di(2-ethylhexyl) adipate | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Chlordane | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Heptachlor | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | LASSO | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Hexachlorocyclopentadiene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Simazine | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Toxaphene | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| January 1, 2019 – January 31, 2019 | Monitoring, Regular | Glyphosate | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Endrin | — | Resolved |
| January 1, 2019 – March 31, 2019 | Monitoring, Regular | Methoxychlor | — | Resolved |
| October 1, 2018 – August 13, 2019 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2016 – December 9, 2019 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| July 1, 2014 – August 20, 2014 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Routine (IDSE) | TTHM | — | Resolved |
| July 1, 2014 – September 30, 2014 | Monitoring, Routine (IDSE) | Total Haloacetic Acids (HAA5) | — | Resolved |
| April 1, 2014 – April 30, 2014 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Resolved |
| July 1, 2012 – December 9, 2019 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| August 1, 2007 – August 31, 2007 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Total Polychlorinated Biphenyls (PCB) | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | HEXACHLOROBENZENE | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Heptachlor epoxide | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Heptachlor | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Toxaphene | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Methoxychlor | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | BHC-GAMMA | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Endrin | — | Resolved |
| April 1, 2007 – June 30, 2007 | Monitoring, Regular | Chlordane | — | Resolved |
| November 1, 2003 – November 30, 2003 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| September 1, 1998 – September 30, 1998 | Monitoring, Routine Minor (TCR) | Coliform (TCR) | — | Archived |
| June 1, 1998 – June 30, 1998 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- August 7, 2020State Compliance achieved1 linked violation
- December 9, 2019State Compliance achieved2 linked violations
- August 13, 2019State Compliance achieved1 linked violation
- July 10, 2019State Formal Notice of Violation issued1 linked violation
- June 30, 2019State Compliance achieved15 linked violations
- June 30, 2019State Compliance achieved1 linked violation
- February 19, 2016State Formal Notice of Violation issued1 linked violation
- September 30, 2015State Compliance achieved2 linked violations
- September 30, 2015State Compliance achieved2 linked violations
- November 1, 2014State Compliance achieved1 linked violation
- October 29, 2014State Formal Notice of Violation issued2 linked violations
- August 20, 2014State Compliance achieved1 linked violation
- May 1, 2013State Formal Notice of Violation issued1 linked violation
- June 30, 2009State Compliance achieved9 linked violations
- February 28, 2008State Compliance achieved1 linked violation
- August 12, 2005State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- February 9, 2004State Public Notification requested1 linked violation
- August 14, 2003State Public Notification requested1 linked violation
- April 3, 2001State Public Notification received1 linked violation
- November 10, 1998State Public Notification requested1 linked violation
- August 1, 1998State Public Notification received2 linked violations
Contact
PIEDRAS BLANCAS
787-620-2277
GUAYANILLA, PR 00656