Oklahoma
Logan County drinking water quality
32 active public water systems serve 27,654 people in Logan County. 7 are compliant, 25 had at least one EPA violation in the past three years, 2 are designated serious violators, and 2 carry a health flag.
Needs attention
Community water systems
14 systems, largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Guthrie |
9,925 | 3 | 0 | |
|
Logan CO Rwd #1 |
8,907 | 2 | 0 | |
|
Langston Pwa |
1,670 | 6 | 1 | |
|
Logan CO Rws & Swmd #3 |
1,618 | 4 | 0 | |
|
Crescent |
1,411 | 0 | 0 | |
|
Logan CO Rwd #2 |
1,146 | 1 | 1 | |
|
Whispering Oaks |
350 | 1 | 0 | |
|
Coyle |
289 | 2 | 1 | |
|
Marshall |
258 | 1 | 0 | |
|
Mulhall |
225 | 5 | 1 | |
|
Orlando |
201 | 0 | 0 | |
|
Blue Quail Logan County |
188 | 2 | 1 | |
|
Peppers Ranch |
99 | 6 | 1 | |
|
Rock Creek |
33 | 12 | 5 |
Non-community systems (18: schools, campgrounds, workplaces, restaurants)
These systems serve places people visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Chisholm Springs Event Center |
325 | 2 | 0 | |
|
Crescent VFW Post 7740 |
200 | 1 | 0 | |
|
Sham-Rock-Chalk, LLC |
155 | 1 | 0 | |
|
Oak Hills Industrial Development |
100 | 2 | 1 | |
|
Pioneer RV Park |
70 | 0 | 0 | |
|
Waterloo Commercial Development |
60 | 1 | 0 | |
|
Wagon Wheel Wind O&m |
54 | 0 | 0 | |
|
Cimarron National Golf Course |
50 | 1 | 0 | |
|
Arledge Ventures |
40 | 0 | 0 | |
|
Railhead Bbq Guthrie |
40 | 1 | 0 | |
|
Twin Lakes Sportsman Club, INC |
40 | 1 | 0 | |
|
Elks Lodge 2578 Edmond |
35 | 2 | 0 | |
|
Dollar General Store #15858 |
30 | 0 | 0 | |
|
Lazy E Training Center |
30 | 6 | 1 | |
|
The Ridge on Penn HOA |
30 | 3 | 1 | |
|
Lazy E Arena |
25 | 2 | 0 | |
|
Rodeo Corner |
25 | 0 | 0 | |
|
Twin Cedars Camp |
25 | 1 | 0 |
Inactive systems (73, no longer operating or reporting)
Kept for the record and excluded from the county totals above. Browse inactive systems.
About this data
Totals cover active systems. Systems serving more than one county are counted in each county. EPA counts the rules a system was in violation of, not the individual violations; one rule can carry several.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Oklahoma records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.