F17/100
Arizona Tap Water Quality Rankings 2026
120 cities · 7,233,891 people served
Top Contaminant Concerns
Copper (90th percentile)PFOSPFOAPFHxSLead (90th percentile)
All Cities in Arizona
| # | City | Score | Population | Violations |
|---|---|---|---|---|
| 1 | Phoenix | D (29) | 2,282,902 | 4153 |
| 2 | Tucson | F (12) | 874,719 | 6097 |
| 3 | Mesa | F (0) | 466,000 | 1578 |
| 4 | El Mirage | F (13) | 333,639 | 3045 |
| 5 | Scottsdale | C (45) | 264,746 | 1062 |
| 6 | Gilbert | F (0) | 247,600 | 882 |
| 7 | Chandler | F (0) | 247,328 | 640 |
| 8 | Peoria | D (29) | 195,366 | 2417 |
| 9 | Tempe | F (0) | 166,388 | 533 |
| 10 | Yuma | F (7) | 162,110 | 2837 |
| 11 | Maricopa | D (33) | 120,458 | 821 |
| 12 | Ft Defiance | D (32) | 99,744 | 2191 |
| 13 | San Tan Valley | D (32) | 97,797 | 295 |
| 14 | Queen Creek | F (4) | 97,212 | 464 |
| 15 | Flagstaff | F (3) | 92,709 | 1447 |
| 16 | Avondale | F (0) | 83,001 | 217 |
| 17 | Buckeye | F (13) | 81,457 | 1319 |
| 18 | Litchfield Park | F (11) | 64,029 | 387 |
| 19 | Surprise | D (30) | 63,970 | 450 |
| 20 | Dewey | F (0) | 57,048 | 379 |
| 21 | Lake Havasu City | F (0) | 54,610 | 291 |
| 22 | Sierra Vista | F (0) | 54,575 | 3859 |
| 23 | Goodyear | F (0) | 50,001 | 330 |
| 24 | Kingman | F (0) | 48,950 | 478 |
| 25 | Oro Valley | F (0) | 46,850 | 1928 |
| 26 | Prescott | F (0) | 45,854 | 662 |
| 27 | Bullhead City | D (21) | 44,611 | 1261 |
| 28 | San Luis | F (0) | 39,705 | 627 |
| 29 | Sacaton | F (2) | 33,271 | 220 |
| 30 | Sahuarita | F (0) | 26,865 | 207 |
| 31 | Fort Mohave | F (0) | 25,000 | 1200 |
| 32 | Payson | F (0) | 22,591 | 2127 |
| 33 | Green Valley | F (0) | 22,085 | 205 |
| 34 | Cottonwood | F (8) | 22,077 | 1365 |
| 35 | Nogales | F (0) | 22,000 | 1226 |
| 36 | Whiteriver | F (0) | 21,148 | 478 |
| 37 | Safford | F (0) | 20,600 | 370 |
| 38 | Sun Lakes | D (31) | 20,572 | 638 |
| 39 | Douglas | F (0) | 19,256 | 964 |
| 40 | Davis-Monthan Afb | F (0) | 18,640 | 732 |
| 41 | Grand Canyon | F (0) | 18,300 | 496 |
| 42 | Vail | F (0) | 17,500 | 150 |
| 43 | Show Low | F (0) | 17,139 | 536 |
| 44 | Marana | F (0) | 17,112 | 313 |
| 45 | Eloy | F (0) | 16,755 | 371 |
| 46 | Fort Defiance | D (32) | 15,912 | 293 |
| 47 | Florence | F (0) | 15,900 | 238 |
| 48 | Apache Junction | F (0) | 15,610 | 291 |
| 49 | Dragoon | F (0) | 15,603 | 803 |
| 50 | Parker | D (31) | 15,400 | 280 |
| 51 | Somerton | F (0) | 15,292 | 302 |
| 52 | Glendale | D (22) | 14,762 | 954 |
| 53 | Page | F (0) | 11,859 | 411 |
| 54 | Pinetop | F (0) | 11,855 | 1143 |
| 55 | San Carlos | F (0) | 11,638 | 922 |
| 56 | Sells | B (65) | 10,728 | 145 |
| 57 | Cave Creek | F (0) | 10,115 | 309 |
| 58 | Williams | D (29) | 10,038 | 618 |
| 59 | Winslow | F (0) | 9,789 | 192 |
| 60 | Golden Valley | F (0) | 9,563 | 259 |
| 61 | Wickenburg | D (32) | 9,358 | 233 |
| 62 | Tolleson | F (0) | 9,300 | 113 |
| 63 | Sedona | F (0) | 8,899 | 1043 |
| 64 | Luke Afb | F (0) | 8,440 | 692 |
| 65 | Pine | F (0) | 8,013 | 491 |
| 66 | Globe | F (0) | 7,536 | 696 |
| 67 | Fountain Hills | F (0) | 7,260 | 77 |
| 68 | Camp Verde | F (15) | 7,213 | 134 |
| 69 | Snowflake | F (0) | 5,590 | 104 |
| 70 | Benson | F (0) | 5,355 | 201 |
| 71 | Holbrook | F (0) | 5,318 | 144 |
| 72 | Peach Springs | F (0) | 4,985 | 303 |
| 73 | Clarkdale | F (12) | 4,920 | 88 |
| 74 | Eagar | F (0) | 4,590 | 126 |
| 75 | Taylor | F (0) | 4,190 | 215 |
| 76 | Polacca | F (0) | 4,108 | 374 |
| 77 | Carefree | B (65) | 3,894 | 35 |
| 78 | Pima | F (8) | 3,799 | 72 |
| 79 | Tuba City | D (32) | 3,780 | 339 |
| 80 | Chino Valley | F (0) | 3,750 | 362 |
| 81 | Saint Johns | F (0) | 3,500 | 192 |
| 82 | Willcox | F (0) | 3,236 | 134 |
| 83 | Bagdad | F (0) | 3,200 | 88 |
| 84 | Wellton | F (0) | 3,000 | 434 |
| 85 | Quartzsite | F (0) | 2,761 | 109 |
| 86 | Hotevilla | D (23) | 2,748 | 160 |
| 87 | Prescott Valley | F (0) | 2,742 | 192 |
| 88 | Ajo | C (43) | 2,654 | 54 |
| 89 | Chandler Heights | D (23) | 2,620 | 66 |
| 90 | Dolan Springs | F (0) | 2,257 | 272 |
| 91 | Ash Fork | F (0) | 2,250 | 88 |
| 92 | Peridot | B (72) | 2,085 | 13 |
| 93 | Humboldt | D (20) | 2,000 | 76 |
| 94 | Springerville | F (0) | 1,972 | 558 |
| 95 | Kearny | F (0) | 1,950 | 104 |
| 96 | Paulden | F (0) | 1,932 | 137 |
| 97 | Gila Bend | F (0) | 1,922 | 208 |
| 98 | Happy Jack | D (20) | 1,920 | 76 |
| 99 | Congress | D (37) | 1,870 | 63 |
| 100 | Joseph City | F (0) | 1,811 | 192 |
| 101 | Second Mesa | F (0) | 1,756 | 376 |
| 102 | Forest Lakes | D (37) | 1,746 | 48 |
| 103 | Petrified Forest | B (61) | 1,742 | 35 |
| 104 | Morenci | F (0) | 1,678 | 175 |
| 105 | Mohave Valley | F (0) | 1,578 | 144 |
| 106 | Tombstone | F (0) | 1,545 | 495 |
| 107 | Many Farms | F (0) | 1,506 | 143 |
| 108 | Fredonia | F (0) | 1,327 | 288 |
| 109 | Kykotsmovi | C (53) | 1,302 | 40 |
| 110 | Cameron | F (0) | 1,270 | 159 |
| 111 | Colorado City | F (0) | 1,267 | 201 |
| 112 | Saint David | F (0) | 1,255 | 54 |
| 113 | Queen Valley | F (0) | 1,200 | 156 |
| 114 | Mammoth | F (0) | 1,181 | 97 |
| 115 | Keams Canyon | F (0) | 1,150 | 215 |
| 116 | Mayer | F (0) | 1,127 | 134 |
| 117 | Casa Grande | F (0) | 1,071 | 201 |
| 118 | Littlefield | D (28) | 1,048 | 69 |
| 119 | Alpine | D (32) | 1,030 | 48 |
| 120 | Pomerene | F (0) | 1,030 | 181 |