C55/100

Oregon Tap Water Quality Rankings 2026

175 cities · 3,614,578 people served

Top Contaminant Concerns

Copper (90th percentile)PFOSLead (90th percentile)PFHxS

All Cities in Oregon

#	City	Score	Population	Violations
1	Portland	C (54)	748,643	136
2	Beaverton	B (78)	316,308	47
3	Salem	B (77)	213,720	24
4	Eugene	A (87)	176,000	10
5	Bend	C (42)	125,658	617
6	Medford	A (90)	106,068	7
7	Hillsboro	B (64)	94,260	52
8	Gresham	B (70)	76,642	65
9	Springfield	B (65)	68,400	36
10	Tigard	A (84)	62,500	9
11	Corvallis	B (64)	61,468	30
12	Albany	B (69)	60,612	61
13	Milwaukie	C (45)	50,946	238
14	Happy Valley	A (82)	50,003	7
15	Clackamas	C (49)	49,846	83
16	Lake Oswego	C (52)	47,100	114
17	Roseburg	F (2)	45,299	368
18	Klamath Falls	F (0)	40,475	167
19	Redmond	A (87)	40,092	25
20	Keizer	C (44)	38,585	48
21	Grants Pass	C (55)	37,138	42
22	Mcminnville	C (47)	34,515	50
23	Coos Bay	B (72)	34,500	13
24	Oregon City	A (100)	33,940	0
25	Woodburn	F (0)	29,455	150
26	Tualatin	A (90)	28,106	7
27	West Linn	A (93)	28,000	4
28	Forest Grove	C (49)	26,838	40
29	Newberg	C (55)	26,172	60
30	Wilsonville	C (46)	25,915	27
31	Ashland	B (74)	20,946	23
32	Lincoln City	D (37)	20,830	56
33	Hermiston	F (0)	20,000	132
34	Sherwood	D (37)	19,885	32
35	Central Point	A (89)	19,785	8
36	Lebanon	D (22)	18,945	31
37	Canby	D (30)	18,754	47
38	Pendleton	F (12)	18,306	657
39	Dallas	C (41)	17,911	40
40	The Dalles	D (32)	17,510	136
41	Astoria	D (25)	16,191	639
42	Troutdale	C (40)	16,185	49
43	Madras	F (6)	15,640	158
44	St Helens	D (39)	15,460	78
45	Hood River	F (0)	14,577	204
46	Cornelius	B (61)	14,490	39
47	Florence	B (62)	14,482	49
48	Ontario	F (0)	14,465	101
49	Monmouth	D (26)	14,389	85
50	La Grande	D (38)	13,460	38
51	Sandy	F (0)	12,991	247
52	Gladstone	D (27)	12,121	46
53	Prineville	F (0)	11,000	216
54	Cottage Grove	F (0)	10,879	45
55	Silverton	F (0)	10,484	90
56	Baker City	F (0)	10,349	131
57	Sweet Home	F (0)	10,322	151
58	Independence	D (37)	10,300	52
59	Molalla	C (56)	10,298	29
60	Newport	C (58)	10,160	39
61	Fairview	F (0)	9,963	95
62	Eagle Point	A (84)	9,554	13
63	Warrenton	F (0)	9,100	120
64	Scappoose	D (23)	8,710	69
65	Stayton	C (41)	8,400	40
66	Winston	C (57)	8,300	36
67	Umatilla	F (0)	8,256	107
68	Sutherlin	B (61)	8,060	32
69	Seaside	F (0)	7,482	87
70	Tillamook	F (13)	7,185	139
71	Milton-Freewater	F (0)	7,145	287
72	Brookings	F (0)	7,120	137
73	Myrtle Creek	F (0)	7,001	259
74	Junction City	C (42)	7,000	27
75	Sheridan	F (6)	6,494	94
76	Talent	F (18)	6,293	59
77	Seal Rock	A (80)	6,000	9
78	Odell	F (2)	5,973	71
79	Phoenix	A (84)	5,900	13
80	Estacada	F (0)	5,750	179
81	Boardman	F (0)	5,749	164
82	Gleneden Beach	C (58)	5,609	23
83	Creswell	F (0)	5,585	98
84	Terrebonne	D (34)	5,400	103
85	Waldport	F (0)	5,300	208
86	Veneta	B (62)	5,200	27
87	Reedsport	F (0)	4,836	172
88	Philomath	F (0)	4,670	76
89	Amity	F (0)	4,465	473
90	Lafayette	F (0)	4,423	218
91	Wood Village	F (0)	4,388	115
92	Sunriver	C (59)	4,300	21
93	Aumsville	F (6)	4,125	46
94	Coquille	F (0)	3,953	224
95	Warm Springs	F (0)	3,800	364
96	Sisters	F (0)	3,778	113
97	Harrisburg	F (0)	3,684	167
98	Mt. Angel	F (0)	3,650	91
99	Toledo	B (74)	3,645	23
100	Hubbard	B (64)	3,478	32
101	Jefferson	C (51)	3,348	45
102	Oakridge	C (40)	3,310	40
103	Nyssa	F (0)	3,285	74
104	Manzanita	F (0)	3,200	82
105	Harbor	D (27)	3,150	50
106	Sublimity	D (33)	3,025	51
107	Jacksonville	A (89)	3,012	8
108	Bandon	D (31)	3,000	54
109	Gold Beach	F (0)	3,000	90
110	Dundee	F (0)	2,960	254
111	Corbett	F (0)	2,954	125
112	Turner	B (66)	2,866	22
113	La Pine	A (89)	2,807	7
114	Burns	F (0)	2,730	49
115	Myrtle Point	F (10)	2,656	83
116	Gervais	B (79)	2,571	14
117	Dayton	F (0)	2,535	94
118	Boring	F (0)	2,500	206
119	Gaston	B (69)	2,500	24
120	Grand Ronde	F (5)	2,500	44
121	Lakeview	C (44)	2,476	45
122	Rogue River	D (22)	2,345	59
123	Carlton	F (0)	2,270	131
124	Willamina	F (1)	2,239	80
125	Clatskanie	A (80)	2,188	17
126	Union	C (49)	2,162	20
127	Cave Junction	F (0)	2,160	125
128	Irrigon	B (73)	2,133	20
129	Stanfield	F (0)	2,115	184
130	Enterprise	D (37)	2,107	36
131	Vernonia	F (0)	2,100	233
132	Banks	F (0)	2,070	159
133	Columbia City	D (23)	1,995	57
134	Rainier	F (0)	1,932	213
135	Brownsville	F (0)	1,906	113
136	Vale	F (0)	1,837	120
137	Mill City	D (32)	1,830	65
138	Lakeside	D (34)	1,800	55
139	Netarts	D (32)	1,800	56
140	Gearhart	B (76)	1,780	20
141	Neskowin	F (9)	1,735	79
142	Elgin	C (50)	1,717	31
143	Cannon Beach	D (30)	1,710	58
144	Nehalem	F (0)	1,700	81
145	Canyonville	F (0)	1,662	103
146	Rickreall	F (0)	1,650	57
147	John Day	A (80)	1,617	13
148	Hines	D (38)	1,563	43
149	Glide	F (0)	1,523	115
150	Colton	F (0)	1,500	325
151	Ophir	F (0)	1,500	123
152	Welches	C (57)	1,500	32
153	Bay City	F (18)	1,400	59
154	Rockaway Beach	F (0)	1,400	92
155	Cascade Locks	D (24)	1,398	56
156	Depoe Bay	D (36)	1,398	44
157	Pilot Rock	F (7)	1,326	58
158	Lyons	F (0)	1,300	178
159	Lowell	D (23)	1,264	69
160	Athena	C (40)	1,238	37
161	Siletz	C (42)	1,235	26
162	Riddle	F (6)	1,224	79
163	Gold Hill	F (0)	1,220	77
164	Port Orford	F (0)	1,200	136
165	Coburg	A (94)	1,195	6
166	Drain	F (0)	1,194	63
167	Heppner	F (0)	1,187	59
168	Joseph	F (14)	1,182	71
169	Island City	D (23)	1,166	57
170	Aurora	C (50)	1,133	43
171	Yamhill	F (0)	1,130	72
172	Donald	F (3)	1,107	38
173	Falls City	F (0)	1,051	154
174	Yoncalla	F (0)	1,050	251
175	Yachats	F (0)	1,006	167