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Idaho ZIP Code Water Quality

177 ZIP codes with water quality data · State average grade: C+

ZIP Codes
177
Avg Grade
C+
A or B
38%
D or F
55%
Grade Distribution

How Idaho ZIP codes scored

23%
16%
28%
27%
A
40
23%
Excellent
B
28
16%
Good
C
12
7%
Fair
D
49
28%
Poor
F
48
27%
Failing
All ZIP Codes

All 177 ZIP codes in Idaho

ZIP Code Primary City Grade Score Score Cities
83201 Pocatello
F
 42.5
1
83202 Chubbuck
C+
 66.2
2
83203 Fort Hall
D
 48.8
1
83204 Pocatello
F
 42.5
1
83205 Pocatello
F
 42.5
1
83206 Pocatello
F
 42.5
1
83209 Pocatello
F
 42.5
1
83210 Aberdeen
A
 93.3
1
83211 American Falls
F
 43.2
1
83213 Arco
A-
 85.4
1
83221 Blackfoot
F
 42.5
2
83226 Challis
B
 76.9
1
83232 Dayton
B
 79.5
1
83234 Downey
A
 92.1
1
83236 Firth
A+
 96.1
1
83237 Franklin
C+
 66.2
1
83241 Grace
B-
 73.5
1
83245 Inkom
B+
 80.6
1
83250 Mccammon
A-
 89.8
1
83251 Mackay
A
 92.2
1
83254 Montpelier
A-
 86.7
2
83261 Paris
B+
 84.4
1
83263 Preston
F
 41
1
83274 Shelley
D
 48.2
1
83276 Soda Springs
C+
 66.7
1
83286 Dayton
B
 79.5
1
83287 Fish Haven
A-
 87.8
1
83301 Twin Falls
D+
 52.5
1
83303 Twin Falls
D+
 52.5
1
83313 Bellevue
D
 47
1
83316 Buhl
D
 47.2
1
83318 Burley
F
 45
1
83320 Carey
A-
 89.8
1
83328 Filer
B-
 70.8
1
83330 Gooding
B+
 82.8
1
83332 Hagerman
A
 90.1
1
83333 Hailey
C
 61.1
1
83334 Hansen
B
 77.1
1
83335 Hazelton
B
 75.7
1
83336 Heyburn
D
 47.1
1
83338 Jerome
D
 49.2
1
83340 Ketchum
D
 49.2
1
83341 Kimberly
B+
 81.9
1
83346 Oakley
D
 46.5
1
83347 Paul
A
 92.6
1
83349 Richfield
A-
 88
1
83350 Rupert
D+
 51.2
1
83352 Shoshone
A+
 96.4
1
83353 Sun Valley
D
 49
1
83354 Sun Valley
D
 49
1
83355 Wendell
A
 93.9
1
83401 Idaho Falls
D
 46.6
4
83402 Idaho Falls
D
 46.6
1
83403 Ammon
D+
 50.2
1
83404 Idaho Falls
D
 46.6
1
83406 Ammon
D+
 50.2
1
83415 Idaho Falls
D
 46.6
1
83420 Ashton
A-
 86
1
83422 Driggs
D+
 50
1
83423 Dubois
A
 90.8
1
83427 Iona
A-
 87.1
1
83440 Rexburg
F
 43.1
1
83442 Rigby
D
 49.2
2
83443 Ririe
A-
 87.5
1
83444 Roberts
A-
 87.2
1
83445 St. Anthony
D
 47.2
1
83448 Sugar City
A
 90.1
1
83451 Teton
A
 93.5
1
83454 Ucon
D+
 52
1
83455 Victor
B-
 73.4
1
83460 Rexburg
F
 43.1
1
83467 Salmon
D
 45
1
83501 Lewiston
F
 44.2
1
83522 Cottonwood
B+
 82.2
1
83523 Craigmont
A
 91.5
1
83530 Grangeville
B-
 70.5
1
83531 Grangeville
B-
 70.5
1
83535 Juliaetta
D
 49.7
1
83536 Kamiah
D
 47
1
83539 Kooskia
A
 94.5
1
83540 Lapwai
D+
 50
1
83544 Orofino
D
 49.8
1
83549 Riggins
A-
 88.9
1
83553 Weippe
A
 91.4
1
83605 Caldwell
F
 38.5
1
83607 Caldwell
F
 38.5
2
83611 Cascade
B+
 82.6
1
83612 Council
A
 93.8
1
83615 Donnelly
B
 76
1
83616 Eagle
F
 43.2
1
83617 Emmett
D
 45.2
1
83619 Fruitland
D
 47.8
1
83622 Garden Valley
D
 46
1
83623 Glenns Ferry
A-
 89.3
1
83626 Greenleaf
A
 92.9
1
83628 Homedale
B+
 81.2
1
83629 Horseshoe Bend
C-
 57.6
1
83631 Idaho City
B-
 71.9
1
83634 Kuna
D
 48.2
1
83635 Mccall
F
 44
1
83638 Mccall
F
 44
1
83639 Marsing
D+
 50
1
83641 Melba
B+
 82.3
1
83642 Meridian
F
 42.9
2
83644 Middleton
D+
 51.6
1
83646 Meridian
F
 42.9
1
83647 Mountain Home
D
 48.2
1
83648 Mountain Home Afb
D
 47.5
1
83651 Nampa
F
 41.8
1
83652 Middleton
D+
 51.6
1
83654 New Meadows
B
 79.1
1
83655 New Plymouth
D+
 50
1
83656 Notus
C
 62.9
1
83661 Payette
B
 79.8
1
83669 Star
A
 94.2
1
83672 Weiser
A-
 88.7
1
83676 Wilder
A
 91.3
1
83680 Meridian
F
 42.9
1
83686 Nampa
F
 41.8
1
83687 Nampa
F
 41.8
1
83701 Boise
F
 33.6
1
83702 Boise
F
 33.6
1
83703 Boise
F
 33.6
1
83704 Boise
F
 33.6
1
83705 Boise
F
 33.6
1
83706 Boise
F
 33.6
1
83708 Boise
F
 33.6
1
83709 Boise
F
 33.6
1
83711 Garden City
C-
 59.8
1
83712 Boise
F
 33.6
1
83713 Boise
F
 33.6
1
83714 Garden City
C-
 59.8
1
83715 Boise
F
 33.6
1
83716 Boise
F
 33.6
1
83717 Boise
F
 33.6
1
83720 Boise
F
 33.6
1
83722 Boise
F
 33.6
1
83724 Boise
F
 33.6
1
83725 Boise
F
 33.6
1
83728 Boise
F
 33.6
1
83729 Boise
F
 33.6
1
83735 Boise
F
 33.6
1
83756 Boise
F
 33.6
1
83799 Boise
F
 33.6
1
83801 Athol
D+
 50
1
83803 Bayview
A
 90.1
1
83804 Blanchard
A-
 87.1
1
83805 Bonners Ferry
D
 47
1
83811 Clark Fork
A-
 88.5
1
83814 Coeur D'Alene
D
 45
1
83815 Coeur D'Alene
D
 45
2
83816 Coeur D'Alene
D
 45
1
83821 Coolin
B+
 84.3
1
83823 Deary
A
 92
1
83825 Dover
B-
 74.6
1
83830 Fernwood
B
 75.9
1
83832 Genesee
A-
 88.3
1
83835 Hayden
D
 45
1
83836 Hope
A-
 88.3
1
83837 Kellogg
C+
 68.6
1
83839 Kingston
A-
 88.4
1
83843 Moscow
C-
 55
1
83844 Moscow
C-
 55
1
83845 Moyie Springs
B
 75.8
1
83850 Pinehurst
A-
 88.7
1
83851 Plummer
F
 44
1
83854 Post Falls
D
 46
2
83855 Potlatch
B
 76.8
1
83856 Priest River
B
 78.3
1
83858 Rathdrum
D
 45.5
1
83860 Sagle
D
 48
1
83864 Sandpoint
F
 44
2
83869 Spirit Lake
D+
 50
1
83871 Troy
C+
 67.7
1
83873 Wallace
A-
 88.9
1
83876 Worley
F
 36
1
83877 Post Falls
D
 46
1
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