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Oklahoma Water Quality
1,262 public water systems serving 3,699,452 people.
Water Systems
1,262
Total Violations
336,706
Violation Rate
98.2%
PFAS Detection
60.8%
101 of 166 tested
Largest Water Systems
OKLAHOMA CITY
OKLAHOMA CITY, OK · 644,000 served
TULSA
TULSA, OK · 413,000 served
BROKEN ARROW MUNICIPAL AUTHORITY
BROKEN ARROW, OK · 116,330 served
NORMAN UTILITIES AUTHORITY
NORMAN, OK · 104,868 served
LAWTON
LAWTON, OK · 92,757 served
EDMOND PWA
EDMOND, OK · 79,408 served
MIDWEST CITY
MIDWEST CITY, OK · 55,935 served
MOORE PUBLIC WORKS AUTHORITY
MOORE, OK · 55,083 served
STILLWATER UTILITIES AUTHORITY
STILLWATER, OK · 53,000 served
ENID
ENID, OK · 49,347 served
MUSKOGEE
MUSKOGEE, OK · 38,310 served
BARTLESVILLE
BARTLESVILLE, OK · 34,748 served
OKLAHOMA UNIVERSITY
NORMAN, OK · 34,000 served
SHAWNEE MUNICIPAL AUTHORITY
SHAWNEE, OK · 29,990 served
SAND SPRINGS
SAND SPRINGS, OK · 28,774 served
PONCA CITY MUN WATER
PONCA CITY, OK · 27,155 served
WAGONER CO. RWD #4
BROKEN ARROW, OK · 25,792 served
WASHINGTON CO RWD #3 (NEW,#1)
COLLINSVILLE, OK · 25,375 served
ARDMORE
ARDMORE, OK · 24,893 served
TINKER AIR FORCE BASE
OKLAHOMA CITY, OK · 24,645 served
Most Violations
#1 TIMBER CREEK MHP EAST & WEST MCLOUD
9,081 #2 EASTSIDE MHP TUTTLE
7,572 #3 PRAGUE PRAGUE
4,153 #4 PINE COUNTRY LIVING MHP MCLOUD
2,879 #5 WALNUT PARK ESTATES PRUE
2,854 #6 ROCK CREEK EDMOND
2,734 #7 BROOKSVILLE TECUMSEH
2,724 #8 OILTON OILTON
2,466 #9 BARNSDALL BARNSDALL
2,431 #10 CANOE MOUNTAIN WATER SYSTEM VIAN
2,053 #11 ABES RV PARK OKLAHOMA CITY
2,043 #12 SOUTHERN OKLA WATER CORP ARDMORE
1,836 #13 WELEETKA PUBLIC WORKS AUTHORITY WELEETKA
1,812 #14 4T INVESTORS LLC LIBERAL
1,737 #15 OTOE-MISSOURIA TRIBE RED ROCK
1,707 Counties in Oklahoma
Oklahoma
121 systems · 889,384 served
· 20,669 violations
Tulsa
15 systems · 666,353 served
· 1,073 violations
Cleveland
73 systems · 216,341 served
· 8,560 violations
Comanche
25 systems · 137,288 served
· 5,160 violations
Payne
22 systems · 87,559 served
· 2,865 violations
Rogers
15 systems · 75,204 served
· 2,062 violations
Canadian
18 systems · 71,324 served
· 3,380 violations
Muskogee
20 systems · 71,012 served
· 7,166 violations
Creek
35 systems · 67,671 served
· 9,374 violations
Garfield
22 systems · 62,290 served
· 3,615 violations
Wagoner
13 systems · 60,271 served
· 4,331 violations
Pittsburg
22 systems · 50,811 served
· 9,873 violations
Pottawatomie
27 systems · 49,766 served
· 18,870 violations
Carter
8 systems · 47,657 served
· 3,630 violations
Le Flore
21 systems · 47,285 served
· 5,202 violations
Washington
11 systems · 45,692 served
· 1,820 violations
Okmulgee
15 systems · 45,674 served
· 7,090 violations
Kay
14 systems · 45,560 served
· 1,384 violations
Mayes
23 systems · 44,551 served
· 5,289 violations
Sequoyah
15 systems · 40,394 served
· 1,738 violations
Bryan
13 systems · 39,612 served
· 3,370 violations
Stephens
10 systems · 38,695 served
· 2,002 violations
Pontotoc
11 systems · 36,830 served
· 615 violations
Cherokee
37 systems · 35,853 served
· 9,781 violations
Grady
31 systems · 34,818 served
· 16,093 violations
Osage
30 systems · 33,607 served
· 16,200 violations
McCurtain
16 systems · 29,914 served
· 3,203 violations
Jackson
11 systems · 29,205 served
· 2,827 violations
Logan
31 systems · 27,600 served
· 7,336 violations
Delaware
37 systems · 25,428 served
· 8,936 violations
Showing top 30 of 77 counties.