We found 165 public water systems that could serve the same population as Ups-hermiston (ordered by population size).
| Name | Areas served | Population served | Contaminant count | Violation count |
|---|---|---|---|---|
| Hermiston, City Of | Hermiston | 17,107 | 54 | 97 |
| Pendleton, City Of | Pendleton | 17,055 | 57 | 26 |
| Milton-freewater, City Of | County of Umatilla | 7,070 | 0 | 103 |
| Umatilla, City Of | County of Umatilla | 6,980 | 0 | 69 |
| Stanfield, City Of | County of Umatilla | 2,115 | 0 | 180 |
| Space Age Fuel | County of Umatilla | 1,800 | 0 | 66 |
| Pilot Rock, City Of | Pilot Rock | 1,540 | 24 | 54 |
| Coe Mcnary Beach Park | County of Umatilla | 1,200 | 0 | 0 |
| Athena, City Of | County of Umatilla | 1,170 | 0 | 25 |
| Pilot Travel Center-stanfield | County of Umatilla | 950 | 0 | 0 |
| Umatilla Co.pks.-harris Park | County of Umatilla | 900 | 0 | 0 |
| Weston, City Of | County of Umatilla | 840 | 0 | 12 |
| Echo, City Of | County of Umatilla | 715 | 0 | 8 |
| Oprd Hat Rock State Park | County of Umatilla | 500 | 0 | 32 |
| Conagra Lamb Weston | County of Umatilla | 500 | 0 | 14 |
| Ote Deadmans Pass Rest Area | County of Umatilla | 500 | 0 | 21 |
| Adams Water Dept, City Of | County of Umatilla | 370 | 0 | 17 |
| Vista Home Park | County of Umatilla | 300 | 0 | 36 |
| First Stop Mart | County of Umatilla | 300 | 0 | 10 |
| One Stop Mart #27 | County of Umatilla | 300 | 0 | 7 |
| Coe Spillway Park--mcnary Dam | County of Umatilla | 300 | 0 | 0 |
| Coe West Mcnary Park | County of Umatilla | 300 | 0 | 0 |
| Union Pacific Rr-wtr Svc Dept | County of Umatilla | 300 | 0 | 0 |
| Wayside Market | County of Umatilla | 250 | 0 | 44 |
| River Point Farms Llc | County of Umatilla | 250 | 0 | 45 |
| Ferndale Elementary | County of Umatilla | 250 | 0 | 159 |
| Crossroads Truck Stop | County of Umatilla | 250 | 0 | 0 |
| Charles Tracts Water Company | County of Umatilla | 249 | 0 | 79 |
| Ukiah, City Of | County of Umatilla | 235 | 0 | 92 |
| Echo School Dist 5 - V.bechtel | County of Umatilla | 234 | 0 | 0 |
| Oprd Emigrant Springs State Pk | County of Umatilla | 200 | 0 | 9 |
| Short Stop #1 | County of Umatilla | 200 | 0 | 21 |
| Green Acres Mhp - Umatilla Co | County of Umatilla | 200 | 0 | 138 |
| Ote Stanfield Rest Area | County of Umatilla | 200 | 0 | 12 |
| Blue Mt Lodge | County of Umatilla | 200 | 0 | 0 |
| Helix, City Of | County of Umatilla | 190 | 0 | 58 |
| Smith Frozen Foods Inc | County of Umatilla | 175 | 0 | 69 |
| Rieth Water District | County of Umatilla | 150 | 0 | 47 |
| One Stop Mart #18 | County of Umatilla | 150 | 0 | 7 |
| W W Water System-greenmeadow W | County of Umatilla | 150 | 0 | 0 |
| Sundale Water Co-op | County of Umatilla | 150 | 0 | 0 |
| Milton-stateline Sda School | County of Umatilla | 140 | 0 | 83 |
| Dun-rollin Mobile Home Park | County of Umatilla | 130 | 0 | 140 |
| Heritage Improvement District | County of Umatilla | 125 | 0 | 107 |
| Chart Subdivision | County of Umatilla | 125 | 0 | 184 |
| Big Apple Food Sentry | County of Umatilla | 125 | 0 | 0 |
| Coe Mcnary Dam | County of Umatilla | 120 | 0 | 0 |
| Hinkle Railroad Inn | County of Umatilla | 120 | 0 | 0 |
| Helix Sch Dist %nancy Coles | County of Umatilla | 115 | 0 | 0 |
| Shady Rest Mobile Court | County of Umatilla | 110 | 0 | 0 |
| Umapine School Dist 13r | County of Umatilla | 110 | 0 | 0 |
| Comfort Inn & Suites-hermiston | County of Umatilla | 100 | 0 | 0 |
| Sunridge Water Inc | County of Umatilla | 100 | 0 | 0 |
| Bellinger Produce Llc | County of Umatilla | 100 | 0 | 0 |
| Union Pacific Rr-hinkle Yard | County of Umatilla | 100 | 0 | 0 |
| North Hill Water Corporation | County of Umatilla | 100 | 0 | 0 |
| Tollgate Resort | County of Umatilla | 100 | 0 | 0 |
| Clay In Motion | County of Umatilla | 100 | 0 | 0 |
| Hermiston Early Childhood Center | County of Umatilla | 100 | 0 | 0 |
| Griggs Shopping Center | County of Umatilla | 100 | 0 | 0 |
| Stateline Jackpot | County of Umatilla | 100 | 0 | 0 |
| Pleasant View High School | County of Umatilla | 100 | 0 | 0 |
| Degroffs Mobile Village | County of Umatilla | 100 | 0 | 0 |
| Hat Rock Water Company | County of Umatilla | 96 | 0 | 0 |
| Villadom Mobile Home Park | County of Umatilla | 96 | 0 | 0 |
| Green Meadows Wtr Corporation | County of Umatilla | 95 | 0 | 0 |
| Country Squire Estates | County of Umatilla | 85 | 0 | 0 |
| Fed Ex - Hermiston | County of Umatilla | 80 | 0 | 0 |
| Vincent Water Company | County of Umatilla | 80 | 0 | 0 |
| Tum-a-lum Elementary, Sd 10 | County of Umatilla | 80 | 0 | 0 |
| Green Acres Mobile Park | County of Umatilla | 80 | 0 | 0 |
| Mckay Acres Improvement Dist | County of Umatilla | 75 | 0 | 0 |
| Husky Super Saver | Bob Cicognani | 75 | 0 | 0 |
| Town & Country Deli | County of Umatilla | 75 | 0 | 0 |
| Blue Mountain Forest Products | County of Umatilla | 75 | 0 | 0 |
| Power City Water Co-op | County of Umatilla | 70 | 0 | 0 |
| Louisiana Pacific Corporation | County of Umatilla | 70 | 0 | 0 |
| Hermiston Junior Academy | County of Umatilla | 65 | 0 | 0 |
| Fruitvale Elementary, Sd #10 | County of Umatilla | 65 | 0 | 0 |
| Halls Trailer Court | County of Umatilla | 60 | 0 | 0 |
| Locust Mobile Village | County of Umatilla | 60 | 0 | 0 |
| Stanfield Hutterian | County of Umatilla | 60 | 0 | 0 |
| Hat Rock Mobile Court | County of Umatilla | 60 | 0 | 0 |
| Rocket Mart-hermiston | County of Umatilla | 60 | 0 | 0 |
| River Point Farms Packing | County of Umatilla | 60 | 0 | 0 |
| Rodeo City Inn | County of Umatilla | 60 | 0 | 0 |
| El Alamo Steakhouse | Gerri Stratton | 60 | 0 | 0 |
| Westland Estates Water System | County of Umatilla | 60 | 0 | 0 |
| Lucky Seven Trailer Court | County of Umatilla | 53 | 0 | 0 |
| Alive And Well | County of Umatilla | 50 | 0 | 0 |
| Kellys | County of Umatilla | 50 | 0 | 0 |
| Stewarts Addition | County of Umatilla | 50 | 0 | 0 |
| M-f Drive In Theatre | County of Umatilla | 50 | 0 | 0 |
| Oasis, The | County of Umatilla | 50 | 0 | 0 |
| Codes Restaurant | County of Umatilla | 50 | 0 | 0 |
| Frontier Mobile Home Park | County of Umatilla | 50 | 0 | 0 |
| Buttercreek Rec Complex & Rest | County of Umatilla | 50 | 0 | 0 |
| Northwestern Livestock Comm | County of Umatilla | 50 | 0 | 0 |
| Fordice Water System | County of Umatilla | 42 | 0 | 0 |
| Longhorn Cafe | County of Umatilla | 40 | 0 | 0 |
| Elizabethan Manor | County of Umatilla | 33 | 0 | 0 |
| Usda Ag Research Station | County of Umatilla | 30 | 0 | 0 |
| Clark's Family Fun Barn | County of Umatilla | 30 | 0 | 0 |
| Coe Madam Dorion Well Wwd | County of Umatilla | 28 | 0 | 0 |
| A&w Drive-in | County of Umatilla | 28 | 0 | 0 |
| Lee's Market & 76 Service Sta. | County of Umatilla | 28 | 0 | 0 |
| Priceless Gas Service Sta. | County of Umatilla | 28 | 0 | 0 |
| Flying J Truck Stop | County of Umatilla | 28 | 0 | 0 |
| Wayne Jones Texaco Svc.station | County of Umatilla | 28 | 0 | 0 |
| Crazy Carl's Blue Mtn.lodge | County of Umatilla | 28 | 0 | 0 |
| Truck Ranch Motel,% J.w.purvis | Floyd Lamberson | 28 | 0 | 0 |
| Horse Haven Camp,% Hildebrand | County of Umatilla | 28 | 0 | 0 |
| Kiwanis Cabins | County of Umatilla | 28 | 0 | 0 |
| Tamarack Inn | County of Umatilla | 28 | 0 | 0 |
| Kesslers Katering | County of Umatilla | 28 | 0 | 0 |
| Oregon Trail Cafe | County of Umatilla | 25 | 0 | 0 |
| Langdon Lake Water Cooperative | County of Umatilla | 25 | 0 | 0 |
| Pendleton Country Club | County of Umatilla | 25 | 0 | 0 |
| Umatilla Co Pks Harris Park | County of Umatilla | 25 | 0 | 0 |
| Round Up Drive In Theatre | County of Umatilla | 25 | 0 | 0 |
| Grove Drive In Theatre | County of Umatilla | 25 | 0 | 0 |
| Lynden Farms Uma Canning | County of Umatilla | 25 | 0 | 0 |
| Union Pacific Railroad | County of Umatilla | 25 | 0 | 0 |
| Odot Hd Deadmans Pass Ra | County of Umatilla | 25 | 0 | 0 |
| Hat Rock Amusement Park | County of Umatilla | 25 | 0 | 0 |
| Roundup Drive In Theatre | County of Umatilla | 25 | 0 | 0 |
| Mr.c.b.% Ferris Eleckel | County of Umatilla | 25 | 0 | 0 |
| Paddock Tavern | County of Umatilla | 25 | 0 | 0 |
| La Siesta Motel-% E.e. Beehler | County of Umatilla | 25 | 0 | 0 |
| Rainbow Flea Market | County of Umatilla | 25 | 0 | 0 |
| Papoose Woodlands Imp.district | County of Umatilla | 25 | 0 | 0 |
| Usfs Black Mountain | County of Umatilla | 25 | 0 | 0 |
| Usfs Bear Wallow Creek Cg | Umatilla Nf | 25 | 0 | 0 |
| Usfs Frazier Gs | Umatilla Nf | 25 | 0 | 0 |
| Usfs Ruckel Cg | Umatilla Nf | 25 | 0 | 0 |
| Usfs Lane Creek Campground | Umatilla Nf | 25 | 0 | 0 |
| Pappoose Woodlands Imp Dist. | Pendleton | 25 | 0 | 0 |
| Country Delicacies | County of Umatilla | 25 | 0 | 0 |
| Lamb Weston Hermiston Ii | County of Umatilla | 25 | 0 | 0 |
| Wheatland Dairy & Cafe | County of Umatilla | 25 | 0 | 0 |
| Umatilla County Headstart-east | County of Umatilla | 23 | 0 | 0 |
| Oprd Ukiah-dale Forest Wayside | County of Umatilla | 22 | 0 | 0 |
| Jr Simplot/calpine | County of Umatilla | 22 | 0 | 0 |
| Tollgate Mountain Chalet | County of Umatilla | 20 | 0 | 0 |
| Memory Lane Mhp %mike Winks | John Taylor | 20 | 0 | 0 |
| Usfs Tollgate Guard Station | County of Umatilla | 20 | 0 | 0 |
| Lehman Hot Springs | County of Umatilla | 20 | 0 | 0 |
| Umatilla Marina | County of Umatilla | 20 | 0 | 0 |
| Oprd Battle Mountain State Pk | County of Umatilla | 18 | 0 | 0 |
| Outwest Motel | County of Umatilla | 18 | 0 | 0 |
| Mill Creek Glen | County of Umatilla | 16 | 0 | 0 |
| Pgg Feedville | County of Umatilla | 15 | 0 | 0 |
| Pgg Pump & Irrigation Bldg., | County of Umatilla | 15 | 0 | 0 |
| International Paper-pilot Rock | County of Umatilla | 13 | 0 | 0 |
| Usfs Buck Creek | County of Umatilla | 12 | 0 | 0 |
| Usfs Umatilla Forks Cg | County of Umatilla | 12 | 0 | 0 |
| Papoose Woodlands Water Co | County of Umatilla | 12 | 0 | 0 |
| Bar M Ranch | County of Umatilla | 10 | 0 | 0 |
| Meadowood Springs Speech Camp | County of Umatilla | 10 | 0 | 0 |
| Usfs Target Meadows Campground | County of Umatilla | 10 | 0 | 0 |
| Clear Creek Farm B&b | County of Umatilla | 10 | 0 | 0 |
| Mcnary Yacht Club | County of Umatilla | 9 | 0 | 0 |
| YO-YO GAS INC %GORDON WHITE | County of Umatilla | 6 | 0 | 0 |
| Usfs Woodward Cg | County of Umatilla | 5 | 0 | 0 |
| Camp Fire Usa-oregon Trail Council | County of Umatilla | 0 | 0 | 0 |