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09 Water Quality
323 public water systems serving 555,721 people.
Water Systems
323
Total Violations
48,296
Violation Rate
96.6%
PFAS Detection
73.2%
30 of 41 tested
Largest Water Systems
Pechanga
Temecula, 09 · 29,100 served
Casino Arizona Talking Stick (CATS)
Scottsdale, 09 · 25,785 served
GRIC DPW Wild Horse Pass
Sacaton, 09 · 22,795 served
Salt River Public Works
Scottsdale, 09 · 20,951 served
Thunder Valley Casino
Auburn, 09 · 18,007 served
Morongo
Banning, 09 · 16,000 served
WMATUA Miner Flat
Whiteriver, 09 · 15,570 served
Pala North
Pala, 09 · 14,280 served
Yocha Dehe Potable Water System
Brooks, 09 · 12,800 served
Sycuan
El Cajon, 09 · 12,350 served
Talking Stick Resort
Scottsdale, 09 · 12,087 served
Ak-Chin Village
Maricopa, 09 · 11,646 served
Red Hawk Casino - Shingle Springs
Shingle Springs, 09 · 11,268 served
Table Mountain Rancheria
Friant, 09 · 10,675 served
Casino Arizona
Scottsdale, 09 · 10,603 served
Graton Resort and Casino
Rohnert Park, 09 · 10,127 served
Viejas Community System
Alpine, 09 · 9,600 served
Hard Rock Fire Mountain Water System
Oroville, 09 · 9,500 served
Santa Rosa Tachi Palace
Lemoore, 09 · 9,000 served
Colorado River Regional Water System
Parker, 09 · 8,490 served
Most Violations
#1 Grindstone Rancheria Elk Creek
1,214 #2 Havasupai Village Supai
754 #3 Kaibab Village Pipe Spring
740 #4 Tule River Reservation Main Porterville
662 #5 SCUA Upper Seven Mile San Carlos
659 #6 Quechan Utility Yuma
623 #7 Yurok - Weitchpec Klamath
622 #8 Arizona Village Needles
607 #9 Oasis Mobile Home Park Thermal
564 #10 Yurok - Kepel Klamath
561 #11 Hopi Cultural Center Kykotsmovi
554 #12 Yurok - Wautec Klamath
525 #13 SCUA Bylas San Carlos
516 #14 SCUA Lower Peridot San Carlos
503 #15 Shungopavi Second Mesa
494 Counties in 09
County 09013
23 systems · 114,768 served
· 2,232 violations
County 09017
18 systems · 47,180 served
· 4,330 violations
County 09073
10 systems · 41,233 served
· 1,205 violations
County 09019
29 systems · 26,556 served
· 2,067 violations
County 09031
23 systems · 19,530 served
· 2,193 violations
County 09061
1 systems · 18,007 served
· 10 violations
County 09025
9 systems · 14,489 served
· 1,501 violations
County 09021
8 systems · 13,612 served
· 500 violations
County 09007
17 systems · 11,319 served
· 4,099 violations
County 09097
2 systems · 10,727 served
· 3 violations
County 09015
10 systems · 9,353 served
· 3,120 violations
County 09027
5 systems · 9,290 served
· 557 violations
County 09012
2 systems · 8,788 served
· 266 violations
County 09005
6 systems · 6,766 served
· 1,625 violations
County 09071
6 systems · 6,234 served
· 478 violations
County 09001
6 systems · 5,960 served
· 512 violations
County 09009
2 systems · 5,245 served
· 531 violations
County 09039
1 systems · 5,000 served
· 9 violations
County 09103
1 systems · 4,782 served
· 49 violations
County 09023
8 systems · 4,233 served
· 2,869 violations
County 09109
2 systems · 2,630 served
· 35 violations
County 09107
2 systems · 2,585 served
· 786 violations
County 09045
7 systems · 2,388 served
· 676 violations
County 09089
2 systems · 2,105 served
· 370 violations
County 09043
2 systems · 1,986 served
· 29 violations
County 09065
20 systems · 880 served
· 274 violations
County 09003
3 systems · 695 served
· 752 violations
County 09049
4 systems · 648 served
· 464 violations
County 09033
1 systems · 487 served
· 5 violations
County 09051
1 systems · 222 served
· 254 violations
Showing top 30 of 31 counties.