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BeachGrade

Updated 2026-07-13

Guam beach water quality

Guam has 33 public beaches in the EPA monitoring dataset, 30 of them with enough bacteria samples to grade. 8 earn an A for consistently clean water, while 7 grade an F for frequently exceeding the safe-swimming limit. Full ranking below.

A 8
B 4
C 3
D 8
F 7
GradeBeachCounty% over limitSamplesAdvisory
AOuthouse BeachGuam0.6%498Excellent
AYpan Beach Park Beach (Ipan Public Beach)Guam1.4%498Excellent
AFamily BeachGuam1.6%488Excellent
ANaton Beach, Tumon BayGuam2.1%1,006Excellent
ATagachang Beach ParkGuam2.2%497Excellent
AGun Beach, Tumon BayGuam2.4%502Excellent
APort Authority BeachGuam2.4%496Excellent
ANcs Beach/Tanguisson BeachGuam2.8%498Excellent
BYpao Beach, Tumon BayGuam3.2%502Good
BGognga Beach, Tumon BayGuam3.3%1,524Good
BUnited Seamen's Service Beach (Uso Beach)Guam4%525Good
BAsanite Point Beach Aka First BeachGuam5.6%498Good
CTrinchera Beach, East HagåTñA BayGuam7.3%1,000Fair
CInalåHan PoolsGuam7.3%386Fair
CDungca's Beach, East HagåTñA BayGuam8.5%2,009Fair
DBeach At Fonte River, West HagåTñA BayGuam13.8%1,518Poor
DHagåTñA MarinaGuam13.8%646Poor
DAsan Memorial Beach,Head Of Asan BayGuam19.4%1,012Poor
DBeach At Pago BayGuam19.5%507Poor
DMalesso' Public Pier ParkGuam19.9%498Poor
DHead Of HumåTak BayGuam20.1%512Poor
DBeach South Of Finile RiverGuam20.9%992Poor
DWest HagåTñA BeachGuam23.4%1,014Poor
FTogcha Beach Aka HåGat BeachGuam25%1,034Failing
FBeach At Piti BayGuam28%518Failing
FToguan BayGuam30.7%522Failing
FBeach At InalåHan BayGuam32%510Failing
FBeach North Of Finile RiverGuam37%524Failing
FRizal BeachGuam50.8%524Failing
FTalo'fo'fo BayGuam57.1%504Failing

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