Water Quality in Oregon
EPA violation data for public water systems across Oregon.
479
ZIP Codes
20,729
Total Violations
62 (13%)
ZIPs with 0 Violations
43.3
Avg per ZIP
National avg: 18.87 violations per ZIP.
Oregon is 129% above average.
Violation Map
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0
1-5
6-15
16+
EPA violations (5yr)
Most Affected Areas in Oregon
All ZIP Codes in Oregon (479)
97532 Grants Pass
1137 97420 Coos Bay
666 97132 Beaverton
400 97526 Medford
334 97458 Coos Bay
333 97205 Portland
326 97523 Grants Pass
324 97424 Eugene
291 97016 St Helens
258 97701 Bend
225 97536 Medford
223 97390 Eugene
219 97761 The Dalles
219 97055 Happy Valley
217 97470 Roseburg
214 97527 Medford
213 97038 Happy Valley
187 97801 Pendleton
185 97539 Medford
181 97473 Scottsburg
168 97756 Bend
162 97048 St Helens
158 97818 Boardman
158 97465 Brookings
155 97056 Portland
154 97062 Beaverton
151 97394 Lincoln City
151 97502 Medford
143 97754 Prineville
143 97305 Salem
142 97501 Medford
142 97141 Tillamook
138 97439 Eugene
136 97520 Medford
134 97322 Albany
133 97402 Eugene
133 97423 Coos Bay
132 97601 Klamath Falls
132 97524 Medford
130 97530 Medford
129 97838 Hermiston
128 97378 Mcminnville
126 97144 Beaverton
120 97401 Eugene
118 97123 Beaverton
117 97448 Eugene
116 97760 Bend
115 97446 Eugene
111 97051 St Helens
110 97914 Ontario
110 97045 Oregon City
108 97457 Myrtle Creek
107 97138 Astoria
105 97467 Reedsport
104 97901 Adrian
104 97368 Lincoln City
103 97217 Portland
99 97603 Klamath Falls
99 97739 Bend
98 97411 Coos Bay
96 97702 Bend
96 97302 Salem
95 97462 Oakland
90 97504 Medford
90 97525 Medford
90 97031 Hood River
89 97333 Corvallis
85 97471 Roseburg
85 97828 Enterprise
85 97024 Portland
84 97114 Mcminnville
83 97119 Beaverton
83 97429 Days Creek
80 97032 Salem
79 97375 Salem
79 97469 Riddle
79 97444 Brookings
78 97624 Klamath Falls
78 97330 Corvallis
77 97103 Astoria
76 97301 Salem
76 97413 Eugene
76 97541 Medford
76 97753 Prineville
75 97438 Eugene
74 97751 Prineville
74 97752 Prineville
74 97759 Bend
74 97304 Mcminnville
73 97392 Salem
72 97434 Eugene
71 97534 Grants Pass
71 97355 Albany
68 97365 Lincoln City
68 97453 Eugene
68 97339 Corvallis
67 97068 Happy Valley
66 97358 Salem
66 97023 Happy Valley
64 97626 Klamath Falls
64 97347 Mcminnville
63 97386 Albany
63 97231 Portland
62 97058 The Dalles
61 97321 Albany
61 97404 Eugene
61 97009 Portland
60 97720 Burns
60 97918 Vale
60 97317 Salem
59 97638 Silver Lake
58 97002 Salem
57 97128 Mcminnville
57 97017 Happy Valley
56 97113 Beaverton
55 97204 Portland
55 97397 Turner
55 97498 Eugene
55 97063 The Dalles
53 97015 Clackamas
52 97101 Mcminnville
52 97148 Mcminnville
52 97327 Albany
51 97389 Albany
51 97405 Eugene
51 97412 Eugene
51 97013 Happy Valley
50 97064 Beaverton
50 97859 Hermiston
50 97417 Canyonville
49 97703 Bend
49 97021 The Dalles
48 97067 Happy Valley
48 97342 Salem
48 97478 Eugene
48 97431 Eugene
47 97492 Eugene
47 97846 Joseph
47 97042 Happy Valley
46 97224 Beaverton
46 97630 Lakeview
46 97907 Huntington
46 97352 Salem
45 97381 Salem
45 97131 Astoria
44 97497 Medford
44 97005 Beaverton
43 97019 Portland
43 97071 Salem
43 97488 Eugene
43 97140 Beaverton
42 97344 Dallas
42 97116 Beaverton
41 97111 Mcminnville
40 97112 Cloverdale
40 97124 Portland
40 97266 Portland
40 97528 Grants Pass
40 97544 Grants Pass
40 97850 La Grande
40 97306 Salem
38 97415 Brookings
38 97370 Corvallis
37 97503 Medford
37 97037 The Dalles
35 97303 Salem
35 97869 Prairie City
35 97459 Coos Bay
34 97707 Bend
34 97864 Monument
34 97014 Portland
30 97149 Neskowin
30 97361 Corvallis
30 97442 Glendale
29 97537 Medford
29 97709 Bend
29 97543 Grants Pass
28 97623 Klamath Falls
28 97862 Hermiston
28 97882 Hermiston
28 97001 The Dalles
27 97008 Beaverton
27 97201 Portland
27 97447 Idleyld Park
27 97221 Portland
26 97232 Portland
26 97338 Dallas
26 97437 Eugene
26 97450 Coos Bay
26 97456 Eugene
26 97477 Eugene
26 97489 Eugene
26 97540 Medford
26 97911 Juntura
26 97348 Albany
25 97396 Mcminnville
25 97022 Happy Valley
24 97057 The Dalles
24 97351 Dallas
24 97362 Salem
24 97499 Yoncalla
24 97875 Hermiston
24 97065 Wasco
23 97371 Dallas
23 97416 Camas Valley
23 97814 La Grande
23 97028 Happy Valley
22 97035 Portland
22 97137 Salem
22 97206 Portland
22 97007 Beaverton
21 97050 Rufus
21 97136 Rockaway Beach
21 97383 Salem
21 97522 Medford
21 97535 Medford
21 97835 Hermiston
21 97903 Brogan
21 97041 Hood River
20 97070 Beaverton
20 97374 Albany
20 97731 Klamath Falls
20 97845 John Day
20 97870 Richland
20 97106 Beaverton
19 97212 Portland
19 97331 Corvallis
19 97435 Drain
19 97487 Eugene
19 97826 Hermiston
19 97844 Irrigon
19 97026 Salem
18 97030 Portland
18 97080 Portland
18 97220 Portland
18 97712 Bend
18 97877 Sumpter
18 97086 Happy Valley
17 97408 Eugene
17 97461 Eugene
17 97538 Grants Pass
17 97625 Klamath Falls
17 97627 Klamath Falls
17 97735 Ft Rock
17 97040 The Dalles
16 97210 Portland
16 97219 Portland
16 97346 Salem
16 97385 Salem
16 97732 Crane
16 97812 Arlington
16 97830 Fossil
16 97886 Hermiston
16 97436 Elkton
15 97810 Hermiston
15 97868 Hermiston
15 97027 Happy Valley
14 97309 Salem
14 97741 Madras
14 97813 Hermiston
14 97910 Jordan Valley
14 97060 Portland
13 97127 Mcminnville
13 97143 Netarts
13 97373 Salem
13 97384 Salem
13 97622 Klamath Falls
13 97721 Princeton
13 97820 Canyon City
13 97839 Lexington
13 97857 Lostine
13 97880 Hermiston
13 97906 Harper
13 97133 Portland
12 97135 Pacific City
12 97208 Portland
12 97229 Portland
12 97236 Portland
12 97325 Salem
12 97867 La Grande
12 97884 Unity
12 97018 St Helens
11 97102 Astoria
11 97110 Astoria
11 97115 Mcminnville
11 97147 Wheeler
11 97345 Albany
11 97452 Eugene
11 97834 Halfway
11 97089 Happy Valley
10 97134 Oceanside
10 97188 Garibaldi
10 97225 Portland
10 97354 Obrien
10 97463 Eugene
10 97479 Sutherlin
10 97496 Winston
10 97006 Beaverton
9 97034 Portland
9 97122 Hebo
9 97218 Portland
9 97326 Corvallis
9 97350 Salem
9 97481 Tenmile
9 97633 Klamath Falls
9 97737 Klamath Falls
9 97054 St Helens
8 97107 Bay City
8 97109 Beaverton
8 97202 Portland
8 97230 Portland
8 97267 Happy Valley
8 97632 Klamath Falls
8 97640 Summer Lake
8 97710 Fields
8 97824 La Grande
8 97020 Salem
7 97049 Happy Valley
7 97078 Beaverton
7 97125 Beaverton
7 97233 Portland
7 97310 Salem
7 97336 Albany
7 97360 Salem
7 97369 Lincoln City
7 97377 Albany
7 97823 Condon
7 97843 Ione
7 97003 Beaverton
6 97011 Happy Valley
6 97053 St Helens
6 97211 Portland
6 97222 Portland
6 97223 Beaverton
6 97227 Portland
6 97298 Portland
6 97343 Lincoln City
6 97367 Lincoln City
6 97493 Eugene
6 97621 Klamath Falls
6 97117 Beaverton
5 97203 Portland
5 97380 Lincoln City
5 97406 Coos Bay
5 97426 Eugene
5 97430 Eugene
5 97454 Eugene
5 97562 Grants Pass
5 97604 Klamath Falls
5 97708 Bend
5 97730 Madras
5 97733 Klamath Falls
5 97738 Hines
5 97840 Oxbow
5 97842 Imnaha
5 97873 Seneca
5 97917 Ontario
5 97039 Moro
4 97150 St Helens
4 97214 Portland
4 97324 Eugene
4 97341 Lincoln City
4 97533 Murphy
4 97634 Klamath Falls
4 97636 Paisley
4 97637 Plush
4 97639 Klamath Falls
4 97876 La Grande
4 97883 La Grande
4 97118 Garibaldi
3 97121 Astoria
3 97130 Manzanita
3 97209 Portland
3 97213 Portland
3 97215 Portland
3 97216 Portland
3 97239 Portland
3 97258 Portland
3 97289 Portland
3 97292 Portland
3 97388 Lincoln City
3 97403 Eugene
3 97443 Glide
3 97464 Ophir
3 97466 Coos Bay
3 97475 Springfield
3 97480 Eugene
3 97827 La Grande
3 97836 Heppner
3 97841 La Grande
3 97848 Kimberly
3 97885 Wallowa
3 93957 Estacada
2 97004 Happy Valley
2 97283 Portland
2 97357 Lincoln City
2 97376 Lincoln City
2 97391 Lincoln City
2 97476 Brookings
2 97531 Grants Pass
2 97641 Christmas Valley
2 97865 Mount Vernon
2 97905 Durkee
2 92178 Mcminnville
1 97029 Grass Valley
1 97036 Marylhurst
1 97145 Astoria
1 97146 Astoria
1 97269 Milwaukie
1 97318 Silverton
1 97409 Alvadore
1 97449 Coos Bay
1 97455 Eugene
1 97620 Adel
1 97734 Madras
1 97783 Springfield
1 97833 Haines
1