Updated 2026-07-13

Oregon beach water quality

Oregon has 92 public beaches in the EPA monitoring dataset, 29 of them with enough bacteria samples to grade. 8 earn an A for consistently clean water, while 2 grade an F for frequently exceeding the safe-swimming limit. Full ranking below.

A 8

B 6

C 3

D 10

F 2

Grade	Beach	County	% over limit	Samples	Advisory
A	Del Rey Beach State Recreation Site	Clatsop	0%	101	Excellent
A	Seaside Beach	Clatsop	0%	50	Excellent
A	Roads End Beach State Wayside	Lincoln	0%	32	Excellent
A	Cape Kiwanda State Park	Tillamook	1.4%	142	Excellent
A	Cape Blanco State Park-Sixes River Beach	Curry	2%	49	Excellent
A	Oceanside Beach State Wayside	Tillamook	2.5%	162	Excellent
A	Heceta Beach	Lane	2.5%	160	Excellent
A	Oswald West State Park	Tillamook	2.7%	300	Excellent
B	Crissey Field State Recreation Site	Curry	3.2%	62	Good
B	Battle Rock Wayside	Curry	4.2%	168	Good
B	Pistol River State Scenic Viewpoint	Curry	4.3%	23	Good
B	Ona Beach State Park	Lincoln	6.2%	242	Good
B	Cape Mears Beach	Tillamook	6.4%	47	Good
B	Fort Stevens State Park	Clatsop	6.9%	29	Good
C	Otter Rock Beach	Lincoln	9.1%	154	Fair
C	Cannon Beach	Clatsop	10.2%	98	Fair
C	Sunset Beach State Rec Site	Clatsop	10.7%	28	Fair
D	Mill Beach	Curry	13.4%	164	Poor
D	Bastendorf Beach	Coos	13.5%	200	Poor
D	Harris Beach State Park	Curry	13.7%	270	Poor
D	Neskowin Beach State Wayside	Tillamook	13.7%	175	Poor
D	D River State Wayside	Lincoln	13.9%	288	Poor
D	Agate Beach State Wayside	Lincoln	14.4%	90	Poor
D	Sunset Bay State Park	Coos	15.5%	252	Poor
D	Tolovana Beach State Wayside	Clatsop	17.9%	335	Poor
D	Manzanita Beach	Tillamook	18.7%	171	Poor
D	Rockaway Beach	Tillamook	24.2%	397	Poor
F	Nye Beach	Lincoln	27.8%	353	Failing
F	Seal Rock State Recreation Site	Lincoln	29.1%	110	Failing

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