We found 67 public water systems in Pittsburg county (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Mcalester Pwa | Mcalester | 17,783 | 13 | 145 |
| Longtown Rw&sd #1 (pittsburg Co.) | County of Pittsburg | 5,444 | 0 | 49 |
| Adamson Rwd #8 | County of Pittsburg | 4,306 | 17 | 14 |
| Hartshorne | County of Pittsburg | 2,300 | 0 | 64 |
| Pittsburg Co. Pwa (crowder) | County of Pittsburg | 2,203 | 0 | 121 |
| Krebs Utility Authority | County of Pittsburg | 2,051 | 0 | 81 |
| Oklahoma State Penitentiary | County of Pittsburg | 2,000 | 0 | 21 |
| Indianola Rwd #18 | County of Pittsburg | 2,000 | 0 | 24 |
| Pittsburg Co. Rwd #7 (arpelar) | County of Pittsburg | 1,900 | 0 | 35 |
| Us Army Ammunition Plant | County of Pittsburg | 1,872 | 0 | 21 |
| Pittsburg Co. Rwd #5 | County of Pittsburg | 1,750 | 0 | 48 |
| Pittsburg Co. Rwd #14 | County of Pittsburg | 1,680 | 0 | 161 |
| Pittsburg Co Rwd #1 | County of Pittsburg | 1,500 | 0 | 0 |
| Pittsburg Co. Rwd #16 | County of Pittsburg | 1,268 | 0 | 19 |
| Quinton | County of Pittsburg | 1,071 | 0 | 41 |
| Haileyville | County of Pittsburg | 889 | 0 | 74 |
| Pittsburg Co. Rwd #9 (mcalester) | County of Pittsburg | 872 | 0 | 23 |
| Savanna | County of Pittsburg | 800 | 0 | 21 |
| Pittsburg Co. Rwd #11 (kiowa) | County of Pittsburg | 790 | 0 | 44 |
| Jackie Brannon Correctional Center | County of Pittsburg | 747 | 0 | 20 |
| Kiowa | County of Pittsburg | 731 | 0 | 183 |
| Arrowhead State Park | County of Pittsburg | 502 | 0 | 17 |
| Narconon-arrowhead | County of Pittsburg | 350 | 0 | 57 |
| Camp Hudgens | County of Pittsburg | 300 | 0 | 0 |
| Pittsburg Co. Rwd #6 (alderson) | County of Pittsburg | 300 | 0 | 18 |
| Pittsburg | County of Pittsburg | 280 | 0 | 148 |
| Crowder Water | County of Pittsburg | 250 | 0 | 0 |
| Canadian Water | County of Pittsburg | 250 | 0 | 0 |
| Pittsburg Co Rwd # 4 (canadian) | County of Pittsburg | 220 | 0 | 0 |
| Jones Academy | County of Pittsburg | 210 | 0 | 0 |
| Crosstimbers | County of Pittsburg | 200 | 0 | 0 |
| Longtown Rwd #1 | County of Pittsburg | 150 | 0 | 0 |
| Pittsburg Co. Rw&sd #15 | County of Pittsburg | 140 | 0 | 35 |
| Coe Hwy 9 East | County of Pittsburg | 60 | 0 | 0 |
| Coe Crowder Pt E | County of Pittsburg | 50 | 0 | 0 |
| Coe Cardinal Pt | County of Pittsburg | 50 | 0 | 0 |
| Pittsburg Co. Rwsg & Swmd #19 | County of Pittsburg | 43 | 0 | 0 |
| Pittsburg Co. Rwd #20 (carlton Landing) | County of Pittsburg | 38 | 0 | 0 |
| Tenaska Kiamichi Generating Station | County of Pittsburg | 35 | 0 | 0 |
| Coe Gaines Ck N | County of Pittsburg | 35 | 0 | 0 |
| Coe Gaines Ck S | County of Pittsburg | 35 | 0 | 0 |
| Coe Elm Pt | County of Pittsburg | 35 | 0 | 0 |
| Shorline Estates Water | County of Pittsburg | 30 | 0 | 0 |
| Duffs White Way Groc | County of Pittsburg | 25 | 0 | 0 |
| Longtown Coffee Shop | County of Pittsburg | 25 | 0 | 0 |
| Evans Family Center | County of Pittsburg | 25 | 0 | 0 |
| Frank Meat Mkt | County of Pittsburg | 25 | 0 | 0 |
| Staffords Grocery | County of Pittsburg | 25 | 0 | 0 |
| Daniel Grocery | County of Pittsburg | 25 | 0 | 0 |
| Pixies Picnic Store | County of Pittsburg | 25 | 0 | 0 |
| Camp Hudgens | County of Pittsburg | 25 | 0 | 0 |
| Coe Hwy 31 Landing | County of Pittsburg | 25 | 0 | 0 |
| Coe Hickory Point (eufala) | County of Pittsburg | 25 | 0 | 0 |
| Coe Elm Point (eufaula) | County of Pittsburg | 25 | 0 | 0 |
| Coe Oak Ridge (eufaula) | County of Pittsburg | 25 | 0 | 0 |
| Coe Crowder Point (eufaula) | County of Pittsburg | 25 | 0 | 0 |
| Coe Hiway 9 Landing (eufaula) | County of Pittsburg | 25 | 0 | 0 |
| Blocker Grocery | County of Pittsburg | 24 | 0 | 0 |
| Longhorn Cafe | County of Pittsburg | 24 | 0 | 0 |
| Blocker Headstart | County of Pittsburg | 24 | 0 | 0 |
| The Barb | County of Pittsburg | 24 | 0 | 0 |
| The Barb | County of Pittsburg | 20 | 0 | 0 |
| Dow Room And Board | County of Pittsburg | 15 | 0 | 0 |
| Marvin Kinsey Cabins | County of Pittsburg | 10 | 0 | 0 |
| Port & Starboard | County of Pittsburg | 10 | 0 | 0 |
| Sunrise Landing | County of Pittsburg | 10 | 0 | 0 |
| Pittsburg Co. Water Authority | County of Pittsburg | 5 | 0 | 0 |