Water quality in Dennis, Oklahoma
Dennis is in Delaware County. 37 active public water systems serve the county; 32 had an EPA violation in the past three years.
Most likely your provider
Your location is within the outer bounds of this system's EPA service area.
Other community water systems in Delaware County
25 systems, nearest first| System | Serves | Status | Rules violated, 3 yr | Distance |
|---|---|---|---|---|
| Grand Lake Pwa |
2,800 | 3 | 2.1 mi | |
| Delaware CO Rwd # 7 |
400 | 1 | 2.7 mi | |
| Oak Ridge Estates I & II Water Assoc. |
62 | 11 | 6.4 mi | |
| Bernice Pwa |
504 | 3 | 6.4 mi | |
| Ketchum Pwa Delaware CO System |
1,805 | 0 | 7.5 mi | |
| Delaware CO Rwd #10 |
1,295 | 1 | 7.7 mi | |
| Leisure Shores Water System Assn, INC |
150 | 2 | 7.7 mi | |
| Grove Municipal Services Auth. |
7,311 | 4 | 8.5 mi | |
| Holiday Shores Prop Assn |
136 | 3 | 8.7 mi | |
| Hickory Meadows |
157 | 8 | 8.9 mi | |
| Jay |
2,482 | 4 | 8.9 mi | |
| Seneca-Cayuga Nation |
400 | 10 | 11.9 mi | |
| England Shores MHP |
55 | 8 | 12.9 mi | |
| Delaware CO Rwd # 1 |
465 | 1 | 14.6 mi | |
| Caair |
100 | 5 | 15.5 mi | |
| Colcord Pwa |
819 | 4 | 22.1 mi | |
| Kansas Public Works Authority |
802 | 1 | 24.6 mi | |
| New Life Ranch, Flint Valley |
35 | 1 | 26.3 mi | |
| South Delaware CO Regional Water Auth. |
1,500 | 5 | 27.0 mi | |
| West Siloam Springs |
877 | 6 | 30.5 mi | |
| Delaware CO Rwd # 12 |
785 | 2 | — | |
| Delaware CO Rwsg&swm District 11 |
750 | 3 | — | |
| Lakewood Village |
293 | 7 | — | |
| Carriage Hills |
160 | 3 | — | |
| Coves at Bird Island |
100 | 5 | — |
Non-community systems in Delaware County (11: schools, campgrounds, workplaces, restaurants)
These systems serve places you visit rather than homes.
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
West Bay Property Assn |
50 | 3 | 0 | |
|
Smittys Resort |
40 | 0 | 0 | |
|
Spinnaker Point Estates |
120 | 2 | 0 | |
|
Grand Country Lakeside RV & MHP |
12 | 2 | 0 | |
|
Grandview Village |
24 | 5 | 0 | |
|
North Grand Mobile and RV Park |
28 | 1 | 0 | |
|
Cayuga Park Resort |
40 | 0 | 0 | |
|
Harbors View Marina |
100 | 1 | 0 | |
|
Tulsa Ozark Club |
55 | 0 | 0 | |
|
VFW Post 8380 |
35 | 1 | 0 | |
|
Eagles Landing Resort |
28 | 0 | 0 |
About this data
Water systems are matched to Delaware County, nearest to Dennis first. Your exact provider depends on your address and connection; the largest community water system in a county is usually the city or town utility. Distances are measured to the centre of the service area EPA publishes for the system.
Town locations and ZIP code areas come from U.S. Census Bureau 2020 files.
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.