GUAYNABO, PR · Guaynabo Municipio County

US ARMY, FORT BUCHANAN 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): PR0132051
System type: Community Water System
Population served: 6,411
Service connections: 2,392
Ownership: federal government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Monitoring, Regular
—
Nickel
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Antimony, Total
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Thallium, Total
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Barium
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Cadmium
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
Mercury
October 1, 2016 – December 31, 2016
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Vinyl chloride
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Carbon tetrachloride
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Trichloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Benzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Toluene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Ethylbenzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Styrene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Endrin
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
BHC-GAMMA
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Methoxychlor
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Toxaphene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Dalapon
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Diquat
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Endothall
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Glyphosate
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
OXAMYL
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Picloram
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Carbofuran
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Atrazine
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
2,4-D
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
2,4,5-TP
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Chlordane
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
Xylenes, Total
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
April 1, 2016 – June 30, 2016
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2016 – March 31, 2016
Archived
Monitoring, Regular
—
1,2-DIBROMO-3-CHLOROPROPANE
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Chlordane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Nitrate
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Gross Alpha, Excl. Radon and U
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Radium-228
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,2,4-Trichlorobenzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
cis-1,2-Dichloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Xylenes, Total
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
DICHLOROMETHANE
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
o-Dichlorobenzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
p-Dichlorobenzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Vinyl chloride
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,1-Dichloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
trans-1,2-Dichloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloroethane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,1,1-Trichloroethane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Carbon tetrachloride
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,2-Dichloropropane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Trichloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
1,1,2-Trichloroethane
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Tetrachloroethylene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
CHLOROBENZENE
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Benzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Toluene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Ethylbenzene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Styrene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Endrin
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Methoxychlor
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Toxaphene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Dalapon
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Diquat
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Endothall
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Glyphosate
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
OXAMYL
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Simazine
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Picloram
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Dinoseb
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Carbofuran
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Atrazine
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
LASSO
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Heptachlor
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Heptachlor epoxide
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
2,4-D
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
2,4,5-TP
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
HEXACHLOROBENZENE
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Pentachlorophenol
January 1, 2016 – March 31, 2016
Resolved
Monitoring, Regular
—
Total Polychlorinated Biphenyls (PCB)
January 1, 2016 – March 31, 2016
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
November 1, 2002 – November 30, 2002
Resolved
Monitoring of Treatment (SWTR-Unfilt/GWR)
—
Surface Water Treatment Rule
October 1, 2002 – October 31, 2002
Resolved

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
October 1, 2016 – December 31, 2016	Monitoring, Regular	Nickel	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Antimony, Total	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Thallium, Total	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Barium	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Cadmium	—	Resolved
October 1, 2016 – December 31, 2016	Monitoring, Regular	Mercury	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Vinyl chloride	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Carbon tetrachloride	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Trichloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Benzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Toluene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Ethylbenzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Styrene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Endrin	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	BHC-GAMMA	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Methoxychlor	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Toxaphene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Dalapon	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Diquat	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Endothall	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Glyphosate	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	OXAMYL	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Picloram	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Carbofuran	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Atrazine	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	2,4-D	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	2,4,5-TP	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Chlordane	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	Xylenes, Total	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
April 1, 2016 – June 30, 2016	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,2-DIBROMO-3-CHLOROPROPANE	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Chlordane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Nitrate	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Gross Alpha, Excl. Radon and U	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Radium-228	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,2,4-Trichlorobenzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Xylenes, Total	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	DICHLOROMETHANE	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	o-Dichlorobenzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	p-Dichlorobenzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Vinyl chloride	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,1-Dichloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	trans-1,2-Dichloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,2-Dichloroethane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,1,1-Trichloroethane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Carbon tetrachloride	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,2-Dichloropropane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Trichloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	1,1,2-Trichloroethane	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Tetrachloroethylene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	CHLOROBENZENE	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Benzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Toluene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Ethylbenzene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Styrene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Endrin	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Methoxychlor	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Toxaphene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Dalapon	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Diquat	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Endothall	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Glyphosate	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	OXAMYL	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Simazine	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Picloram	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Dinoseb	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Carbofuran	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Atrazine	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	LASSO	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Heptachlor	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Heptachlor epoxide	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	2,4-D	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	2,4,5-TP	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	HEXACHLOROBENZENE	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Pentachlorophenol	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring, Regular	Total Polychlorinated Biphenyls (PCB)	—	Resolved
November 1, 2002 – November 30, 2002	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved
October 1, 2002 – October 31, 2002	Monitoring of Treatment (SWTR-Unfilt/GWR)	Surface Water Treatment Rule	—	Resolved

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

Enforcement actions

December 31, 2020State Compliance achieved1 linked violation
June 30, 2020State Compliance achievedgeneral compliance action — not tied to a specific violation on record
September 9, 2019State Formal Notice of Violation issued1 linked violation
February 23, 2017State Formal Notice of Violation issued10 linked violations
December 31, 2016State Compliance achieved114 linked violations
August 24, 2016State Formal Notice of Violation issued104 linked violations
August 12, 2003State Violation/Reminder Notice1 linked violation
July 29, 2003State Violation/Reminder Notice1 linked violation
July 23, 2003State Violation/Reminder Notice1 linked violation

Contact

U.S. ARMY, FORT BUCHANAN

787-707-3508

GUAYNABO, PR 00934