We found 237 public water systems that could serve the same population as College Twp. Water Authority (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| State College Boro Water Auth. | State College | 72,000 | 92 | 2 |
| Penn State Univ. | University Park | 37,000 | 51 | 30 |
| Paw Philipsburg | County of Centre | 20,095 | 36 | 0 |
| Bellefonte Borough Water Auth | County of Centre | 9,500 | 0 | 179 |
| Rockview | County of Centre | 5,200 | 0 | 237 |
| Harris Twp Water Auth | County of Centre | 4,136 | 0 | 0 |
| Aqua Penn Spring Water Company | Bottled Water | 4,000 | 0 | 0 |
| Miscoe Springs, Inc. | Pennsylvania | 3,500 | 0 | 0 |
| Spring Twp Water Authority | County of Centre | 3,300 | 0 | 103 |
| Walker Twp Water Assoc | County of Centre | 3,250 | 0 | 139 |
| Mountaintop Regional Wa | County of Centre | 2,950 | 0 | 49 |
| Milesburg Borough Water Auth | County of Centre | 2,750 | 0 | 64 |
| Bald Eagle Area School Distric | County of Centre | 2,400 | 0 | 0 |
| Centre Hall Boro Water Dept | County of Centre | 1,900 | 0 | 28 |
| Bald Eagle Area School Dist | County of Centre | 1,780 | 0 | 0 |
| St Coll Boro Water Auth Ferg | County of Centre | 1,700 | 0 | 0 |
| Paw Nittany | County of Centre | 1,600 | 0 | 102 |
| Upper Halfmoon Water | County of Centre | 1,500 | 0 | 28 |
| Poe Valley State Park | County of Centre | 1,500 | 0 | 0 |
| Penndot-site 29 Saf Rest Area | County of Centre | 1,300 | 0 | 0 |
| Penns Valley Area High School | County of Centre | 1,170 | 0 | 36 |
| Borough Of Howard | County of Centre | 1,001 | 0 | 59 |
| Rock Spring Water Co | County of Centre | 1,000 | 0 | 70 |
| Continental Mobile Home Park | Bellefonte | 940 | 0 | 0 |
| Millheim Borough Water Company | County of Centre | 902 | 0 | 137 |
| Shirleys Diner | County of Centre | 900 | 0 | 0 |
| Shirleys Diner | County of Centre | 900 | 0 | 0 |
| Mt Top Area Water Assoc | County of Centre | 850 | 0 | 0 |
| H20 To Go | County of Centre | 700 | 0 | 18 |
| Oak Ridge Authority | County of Centre | 700 | 0 | 27 |
| Gregg Township Water Authority | County of Centre | 670 | 0 | 92 |
| Port Matilda Waterworks | County of Centre | 615 | 0 | 105 |
| Penns Valley Area Schools-elem | County of Centre | 600 | 0 | 0 |
| Haines Aaronsburg Mun Auth | County of Centre | 550 | 0 | 264 |
| Black Moshannon State Park | County of Centre | 500 | 0 | 0 |
| Bald Eagle State Park | County of Centre | 500 | 0 | 0 |
| Twin Kiss Drive-in | County of Centre | 500 | 0 | 0 |
| Sunset West Restaurant | County of Centre | 500 | 0 | 0 |
| Centre County Vo-tech School | County of Centre | 500 | 0 | 0 |
| David Weis Jewelers % Asst. | County of Centre | 500 | 0 | 0 |
| Sandy Ridge Water System | Sandy Ridge | 495 | 0 | 0 |
| Bald Eagle State Park | County of Centre | 475 | 0 | 5 |
| Moshannon Valley Water Co | County of Centre | 475 | 0 | 0 |
| Hampton Hills Benner Twp Auth | County of Centre | 450 | 0 | 3 |
| Snow Shoe Twp Municipal Auth | County of Centre | 450 | 0 | 0 |
| Miles Twp Water Auth East | County of Centre | 425 | 0 | 75 |
| Ames Department Store | County of Centre | 400 | 0 | 0 |
| Spring Creek Area Water Auth | County of Centre | 400 | 0 | 0 |
| Ames Department Store | County of Centre | 400 | 0 | 0 |
| Benner Twp Elementary School | County of Centre | 314 | 0 | 0 |
| Penns Valley Elem. School | County of Centre | 311 | 0 | 0 |
| Penn Twp Water Dist | County of Centre | 300 | 0 | 59 |
| Halfmoon Water Association | County of Centre | 300 | 0 | 75 |
| Ridge Crest Community | County of Centre | 300 | 0 | 10 |
| Custards Last Stand | County of Centre | 300 | 0 | 0 |
| Mount Eagle Water System | County of Centre | 300 | 0 | 0 |
| Pine Glen Water Association | County of Centre | 300 | 0 | 0 |
| Patton Twp Water Authority | County of Centre | 300 | 0 | 0 |
| Custards Last Stand | County of Centre | 300 | 0 | 0 |
| Exxon Co-usa %baltimore Maint. | County of Centre | 300 | 0 | 0 |
| Centre Country Vo-tech School | County of Centre | 298 | 0 | 0 |
| Unionville Municipal Waterwks | County of Centre | 290 | 0 | 57 |
| The Meadows | County of Centre | 289 | 0 | 22 |
| Benner Elementary School | County of Centre | 270 | 0 | 0 |
| Madisonburg Water Works | County of Centre | 250 | 0 | 215 |
| Holters Crossing Water System | County of Centre | 250 | 0 | 0 |
| Mt Nittany Inn | County of Centre | 250 | 0 | 0 |
| Camp Tussey Ridge-hemlock Gsc | County of Centre | 250 | 0 | 0 |
| Holters Crossing Water System | County of Centre | 250 | 0 | 0 |
| Rud-cor Mobile Home Court | County of Centre | 230 | 0 | 0 |
| Seven Mountains Scout Camp | County of Centre | 200 | 0 | 6 |
| Burkholders Market | County of Centre | 200 | 0 | 14 |
| Primo Refill Llc | County of Centre | 200 | 0 | 56 |
| Homans General Store | County of Centre | 200 | 0 | 0 |
| Roadside Rest 29 Eastbd Penndo | County of Centre | 200 | 0 | 0 |
| Penn Hi Boy Restaurant | County of Centre | 200 | 0 | 0 |
| Eutaw House | County of Centre | 200 | 0 | 0 |
| Seven Mountains Scout Camp | County of Centre | 200 | 0 | 0 |
| Tyrone Pike Dev Corp | County of Centre | 200 | 0 | 0 |
| Roadside Rest 29 Eastbd Penndo | County of Centre | 200 | 0 | 0 |
| Eutaw House | County of Centre | 200 | 0 | 0 |
| Nittany Valley Rehab Hospital | County of Centre | 182 | 0 | 0 |
| WOODWARD GYM CAMP | County of Centre | 180 | 0 | 0 |
| WOODWARD GYM CAMP | County of Centre | 180 | 0 | 0 |
| Trotter Farms | County of Centre | 175 | 0 | 21 |
| Supelco Inc | County of Centre | 170 | 0 | 0 |
| Matternville Elementary School | County of Centre | 165 | 0 | 0 |
| WOODSDALE M.H.P. KISSINGER | County of Centre | 165 | 0 | 0 |
| Krisland Camp And Conference C | County of Centre | 160 | 0 | 11 |
| Krisland Camp And Conference C | County of Centre | 160 | 0 | 0 |
| Poe Paddy State Park | County of Centre | 160 | 0 | 0 |
| State College Elks Country Clu | County of Centre | 150 | 0 | 0 |
| Graymont Pa Inc | County of Centre | 150 | 0 | 0 |
| Monument Water Assoc | County of Centre | 140 | 0 | 79 |
| Haines Woodward Municipal Auth | County of Centre | 140 | 0 | 149 |
| Mount Eagle Water Assoc | County of Centre | 130 | 0 | 836 |
| Gram & Paps Fort Bellefonte Cg | County of Centre | 125 | 0 | 8 |
| Twin Oaks Campground | County of Centre | 125 | 0 | 0 |
| Grove Park Benner Twp H2o Auth | County of Centre | 120 | 0 | 0 |
| Mid State Airport | County of Centre | 120 | 0 | 0 |
| Oak Hall Water System | Oak Hall | 120 | 0 | 0 |
| Black Hawk Mobile Home Park | County of Centre | 118 | 0 | 0 |
| State Of The Art | County of Centre | 110 | 0 | 0 |
| Black Moshannon State Park | County of Centre | 100 | 0 | 0 |
| Bellefonte Koa Campground | County of Centre | 100 | 0 | 0 |
| Penn-roosevelt State Park | County of Centre | 100 | 0 | 0 |
| Martha Furnace Mobilehome Park | County of Centre | 100 | 0 | 0 |
| Kern Campground | County of Centre | 100 | 0 | 0 |
| Penns Cave | County of Centre | 100 | 0 | 0 |
| Exit 24 Restaurant | County of Centre | 100 | 0 | 0 |
| Potters Mills Tavern | County of Centre | 100 | 0 | 0 |
| Meyer Dairy Store | County of Centre | 100 | 0 | 0 |
| Pennsylvania Fish Commission | County of Centre | 100 | 0 | 0 |
| Bellefonte Koa Campground | County of Centre | 100 | 0 | 0 |
| Pa Dot Rest Area Site 42 | County of Centre | 100 | 0 | 0 |
| Pennsylvania State Univ-airpor | County of Centre | 100 | 0 | 0 |
| Centre Villa West | County of Centre | 100 | 0 | 0 |
| Meyer Dairy Store | County of Centre | 100 | 0 | 0 |
| Penndot-site 30 Safe Rest Area | County of Centre | 100 | 0 | 0 |
| Cannondale Corp | County of Centre | 100 | 0 | 0 |
| Smullton Water Company Inc | Smullton | 95 | 0 | 0 |
| Poe Valley State Park | County of Centre | 90 | 0 | 0 |
| Poe Paddy State Park | County of Centre | 90 | 0 | 0 |
| Sylvan Hills Christian Camp | County of Centre | 90 | 0 | 0 |
| Sylvan Hills Christian Camp | County of Centre | 90 | 0 | 0 |
| Country Club Park | County of Centre | 81 | 0 | 0 |
| Paw Boggs | County of Centre | 80 | 0 | 0 |
| Blarneystone | County of Centre | 75 | 0 | 0 |
| Penns Cave | County of Centre | 75 | 0 | 0 |
| Empire Mobile Home Park | County of Centre | 75 | 0 | 0 |
| WOODWARD CAVE | County of Centre | 75 | 0 | 0 |
| Starlight Drive In | County of Centre | 75 | 0 | 0 |
| Ridgemont Water Association | County of Centre | 75 | 0 | 0 |
| Home Delivery Pizza | County of Centre | 75 | 0 | 0 |
| Corl Acres Water System | County of Centre | 65 | 0 | 0 |
| Marysville Water Cooperative | County of Centre | 64 | 0 | 0 |
| Orviston Water Assoc Inc | County of Centre | 60 | 0 | 0 |
| Eagle Creek | County of Centre | 60 | 0 | 0 |
| Vfw Post # 9575 | County of Centre | 60 | 0 | 0 |
| Benner Pike Diner | County of Centre | 60 | 0 | 0 |
| Vfw Post #9575 | County of Centre | 60 | 0 | 0 |
| Benner Pike Diner | County of Centre | 60 | 0 | 0 |
| Longview Mobile Home Park | County of Centre | 57 | 0 | 0 |
| Ridgemont | County of Centre | 55 | 0 | 0 |
| Day View Acres | County of Centre | 55 | 0 | 0 |
| Oak Hall Park | County of Centre | 50 | 0 | 0 |
| WOODWARD CAVE AND CAMPGROUND | County of Centre | 50 | 0 | 0 |
| Penn-roosevelt State Park | County of Centre | 50 | 0 | 0 |
| Hairy Johns State Picnic Area | County of Centre | 50 | 0 | 0 |
| Roadisde Rest Rt 322 Penndot | County of Centre | 50 | 0 | 0 |
| Strawberry Hill Inc | County of Centre | 50 | 0 | 0 |
| Foxhead Inn | County of Centre | 50 | 0 | 0 |
| Double J Ranch House | County of Centre | 50 | 0 | 0 |
| Red And White Tavern | County of Centre | 50 | 0 | 0 |
| South Seas Restaurant | County of Centre | 50 | 0 | 0 |
| Penn-roosevelt State Park | County of Centre | 50 | 0 | 0 |
| Hairy Johns State Picnic Area | County of Centre | 50 | 0 | 0 |
| Roadside Rest Rt 322 Penndot | County of Centre | 50 | 0 | 0 |
| Strawberry Hill Inc | County of Centre | 50 | 0 | 0 |
| Double J Ranch House | County of Centre | 50 | 0 | 0 |
| Red And White Tavern | County of Centre | 50 | 0 | 0 |
| South Seas Restaurant | County of Centre | 50 | 0 | 0 |
| Bell Telephone Of Pa. | County of Centre | 50 | 0 | 0 |
| Nittany Grove Mobile Home Park | County of Centre | 45 | 0 | 0 |
| Cedar Hill Water Co | County of Centre | 45 | 0 | 0 |
| Moshanon Park Inn | County of Centre | 40 | 0 | 0 |
| Vacation Acres | County of Centre | 40 | 0 | 0 |
| Benners Twp Supers-water Suppl | County of Centre | 40 | 0 | 0 |
| Vacation Acres | County of Centre | 40 | 0 | 0 |
| Camp Rayona % Avtex Corp | County of Centre | 35 | 0 | 0 |
| Adelphia Cable | County of Centre | 35 | 0 | 0 |
| Ridgeview Water Association In | County of Centre | 33 | 0 | 0 |
| Nittany Mhp C/o Kisgr,leo&assc | County of Centre | 33 | 0 | 0 |
| Salem Hill Haven Home | County of Centre | 32 | 0 | 0 |
| Sams Place | County of Centre | 30 | 0 | 0 |
| Hillside Tavern | County of Centre | 30 | 0 | 0 |
| Pennsylvania Fish Commission | County of Centre | 30 | 0 | 0 |
| Penns Valley Medical Center | County of Centre | 28 | 0 | 0 |
| Above The Valley | County of Centre | 25 | 0 | 0 |
| Kearns Campground | County of Centre | 25 | 0 | 0 |
| Mnmc Penns Valley | County of Centre | 25 | 0 | 0 |
| Pa Fish Boat Comm Fishparadise | County of Centre | 25 | 0 | 0 |
| Mountain View Country Club | County of Centre | 25 | 0 | 0 |
| Twin Kiss Drive-in | County of Centre | 25 | 0 | 0 |
| Liberty Twp Sportsman Assoc | County of Centre | 25 | 0 | 0 |
| Sunset West Restaurant | County of Centre | 25 | 0 | 0 |
| Brendas Tavern | County of Centre | 25 | 0 | 0 |
| Seven Mountains Campground | County of Centre | 25 | 0 | 0 |
| Uni Mart#4161 Carsons Corner | County of Centre | 25 | 0 | 0 |
| Hummingbird Room | County of Centre | 25 | 0 | 0 |
| Godspeed Hostel | County of Centre | 25 | 0 | 0 |
| Earlystown Manor | County of Centre | 25 | 0 | 0 |
| Hemlock Acres | County of Centre | 25 | 0 | 0 |
| Roadside Rest Satellite Shed | County of Centre | 25 | 0 | 0 |
| Holiday Inn | County of Centre | 25 | 0 | 0 |
| Rolling Meadows Mobilehome Par | County of Centre | 25 | 0 | 0 |
| Pennsylvania Fish Commission | County of Centre | 25 | 0 | 0 |
| Liberty Twp Sportsman Club | County of Centre | 25 | 0 | 0 |
| Spring Mills Fish And Game | County of Centre | 25 | 0 | 0 |
| Craig Motel | County of Centre | 25 | 0 | 0 |
| Grays Woods Water System | County of Centre | 25 | 0 | 0 |
| Holiday Inn | County of Centre | 25 | 0 | 0 |
| Black Moshannon Country Store | County of Centre | 25 | 0 | 0 |
| Matternville Pre School | County of Centre | 25 | 0 | 0 |
| Runners | County of Centre | 25 | 0 | 0 |
| Midstate Regional Airport | County of Centre | 25 | 0 | 0 |
| Black Moshannon Family Restrnt | County of Centre | 25 | 0 | 0 |
| Foxhead Inn | County of Centre | 25 | 0 | 0 |
| Brownies Mountain Tavern | County of Centre | 25 | 0 | 0 |
| Starlite Drive In | County of Centre | 25 | 0 | 0 |
| Spring Mills Fish And Game | County of Centre | 25 | 0 | 0 |
| Mccalls Dam State Park | County of Centre | 25 | 0 | 0 |
| Pa St Police-troop S | County of Centre | 25 | 0 | 0 |
| Schas Restaurant & Lounge | County of Centre | 25 | 0 | 0 |
| Budgit Bakery | County of Centre | 25 | 0 | 0 |
| Eagle Valley Drive-in | County of Centre | 25 | 0 | 0 |
| Cathermans Fast Food | County of Centre | 25 | 0 | 0 |
| The Hop | County of Centre | 25 | 0 | 0 |
| Spring Mills Hotel | County of Centre | 25 | 0 | 0 |
| Pappys Place | County of Centre | 25 | 0 | 0 |
| Uncle Bills | County of Centre | 25 | 0 | 0 |
| Little Nittany | County of Centre | 25 | 0 | 0 |
| Penns Valley Bed And Brekfast | County of Centre | 25 | 0 | 0 |
| Scotts Roasting | County of Centre | 25 | 0 | 0 |
| Marysville Water Cooperative | County of Centre | 22 | 0 | 0 |
| Benner Spring Fish Station | County of Centre | 21 | 0 | 0 |
| Jarceys Motel | County of Centre | 20 | 0 | 0 |
| Black Moshannon Inn | County of Centre | 20 | 0 | 0 |
| Hemlock Acres | County of Centre | 20 | 0 | 0 |
| Ridgeview Water Association In | County of Centre | 18 | 0 | 0 |
| Rolling Meadows Estates Inc | County of Centre | 17 | 0 | 0 |
| Cedar Hill Water Co | County of Centre | 14 | 0 | 0 |
| W Penn Power Co Cas | County of Centre | 10 | 0 | 0 |
| W Penn Power Co Cas | County of Centre | 10 | 0 | 0 |
| Seven Mountains Trailer Park | County of Centre | 9 | 0 | 0 |
| Whispering Pines Personal Care | County of Centre | 2 | 0 | 0 |
| Pa Dot Cent Co Satallite Ma | County of Centre | 2 | 0 | 0 |